| 2026 June 27 | updated | K88 | GINOP-KHK, Piszkéstető |  Hungary |  Europe |
| 2026 June 25 | created | R40 | STB Astro Observatory, Setúbal |  Portugal | Europe |
| | created | R39 | Dobsonian Power, Algarve | Portugal | Europe |
| 2026 June 24 | updated | D60 | Sparky's Stars, Masseris |  Italy | Europe |
| 2026 June 18 | updated | F52 | Pan-STARRS 2, Haleakala |  United States of America |  North America |
| | updated | F51 | Pan-STARRS 1, Haleakala | United States of America | North America |
| 2026 June 15 | created | R42 | Observatorio Astronómico del Moncayo |  Spain | Europe |
| | created | R41 | UAM, Madrid | Spain | Europe |
| 2026 June 13 | updated | 493 | Calar Alto | Spain | Europe |
| | updated | 304 | Las Campanas Observatory |  Chile |  South America |
| 2026 June 10 | created | X71 | OASMiS, São Miguel da Serra |  Brazil | South America |
| | created | W21 | Spots Observatory, Bethesda | United States of America | North America |
| 2026 June 05 | created | R96 | Osservatorio Pierino Zambonini | Italy | Europe |
| 2026 June 01 | updated | 378 | Murou |  Japan |  Asia |
| 2026 May 27 | created | R43 | TransAstra TKO at e-EYE | Spain | Europe |
| | updated | Z11 | Appledorne Observatory, Farnsfield |  United Kingdom | Europe |
| | updated | V48 | TransAstra at Winer | United States of America | North America |
| | updated | V27 | North Mesa Observatory, Los Alamos | United States of America | North America |
| | updated | M48 | GAC - Via L. Sturzo Observatory, Catania | Italy | Europe |
| | updated | L98 | La Sagra Observatory, Puebla de Don Fadrique | Spain | Europe |
| | updated | E12 | Siding Spring Survey |  Australia |  Oceania |
| | updated | 310 | Minor Planet Center Test Code | United States of America | North America |
| 2026 May 26 | updated | Z84 | Calar Alto-Schmidt | Spain | Europe |
| | updated | Z58 | ESA TBT Cebreros Observatory | Spain | Europe |
| | updated | Z33 | 6ROADS Observatory 2, Nerpio | Spain | Europe |
| | updated | Z31 | Tenerife Observatory-LCO A, Tenerife | Spain | Europe |
| | updated | Z24 | Tenerife Observatory-LCO B, Tenerife | Spain | Europe |
| | updated | Z21 | Tenerife-LCO Aqawan A #1 | Spain | Europe |
| | updated | Z17 | Tenerife-LCO Aqawan A #2 | Spain | Europe |
| | updated | X11 | VLT Survey Telescope, Paranal | Chile | South America |
| | updated | X05 | Simonyi Survey Telescope, Rubin Observatory | Chile | South America |
| | updated | W98 | SDA Observatory, San Pedro de Atacama | Chile | South America |
| | updated | W97 | Atacama Desert Observatory, San Pedro de Atacama | Chile | South America |
| | updated | W89 | Cerro Tololo-LCO Aqawan A #1 | Chile | South America |
| | updated | W87 | Cerro Tololo-LCO C | Chile | South America |
| | updated | W86 | Cerro Tololo-LCO B | Chile | South America |
| | updated | W85 | Cerro Tololo-LCO A | Chile | South America |
| | updated | W84 | Cerro Tololo-DECam | Chile | South America |
| | updated | W68 | ATLAS Chile, Rio Hurtado | Chile | South America |
| | updated | W57 | ESA TBT La Silla Observatory | Chile | South America |
| | updated | V39 | McDonald Observatory-LCO ELP B | United States of America | North America |
| | updated | V38 | McDonald Observatory-LCO ELP Aqawan A #1 | United States of America | North America |
| | updated | V37 | McDonald Observatory-LCO ELP | United States of America | North America |
| | updated | V06 | Catalina Sky Survey-Kuiper | United States of America | North America |
| | updated | T17 | W. M. Keck Observatory, Keck 2, Maunakea | United States of America | North America |
| | updated | T16 | W. M. Keck Observatory, Keck 1, Maunakea | United States of America | North America |
| | updated | T15 | Gemini North Observatory, Maunakea | United States of America | North America |
| | updated | T14 | Canada-France-Hawaii Telescope, Maunakea | United States of America | North America |
| | updated | T13 | NASA Infrared Telescope Facility, Maunakea | United States of America | North America |
| | updated | T12 | University of Hawaii 88-inch telescope, Maunakea | United States of America | North America |
| | updated | T11 | United Kingdom Infrared Telescope, Maunakea | United States of America | North America |
| | updated | T10 | Submillimeter Array, Maunakea (SMA) | United States of America | North America |
| | updated | T09 | Subaru Telescope, Maunakea | United States of America | North America |
| | updated | T08 | ATLAS-MLO, Mauna Loa | United States of America | North America |
| | updated | T05 | ATLAS-HKO, Haleakala | United States of America | North America |
| | updated | T04 | Haleakala-LCO OGG B #2 | United States of America | North America |
| | updated | T03 | Haleakala-LCO Clamshell #3 | United States of America | North America |
| | updated | R17 | ATLAS-TDO | Spain | Europe |
| | updated | Q64 | Siding Spring-LCO B | Australia | Oceania |
| | updated | Q63 | Siding Spring-LCO A | Australia | Oceania |
| | updated | Q58 | Siding Spring-LCO Clamshell #1 | Australia | Oceania |
| | updated | Q55 | SkyMapper, Siding Spring | Australia | Oceania |
| | updated | Q12 | Nagano Observatory | Japan | Asia |
| | updated | M22 | ATLAS South Africa, Sutherland |  South Africa |  Africa |
| | updated | L80 | SpringBok Observatory, Tivoli |  Namibia | Africa |
| | updated | L09 | Sutherland-LCO Aqawan A #1 | South Africa | Africa |
| | updated | K93 | Sutherland-LCO C | South Africa | Africa |
| | updated | K92 | Sutherland-LCO B | South Africa | Africa |
| | updated | K91 | Sutherland-LCO A | South Africa | Africa |
| | updated | J75 | OAM Observatory, La Sagra | Spain | Europe |
| | updated | J04 | ESA Optical Ground Station, Tenerife | Spain | Europe |
| | updated | I52 | Steward Observatory, Mt. Lemmon Station | United States of America | North America |
| | updated | I41 | Palomar Mountain--ZTF | United States of America | North America |
| | updated | I33 | SOAR, Cerro Pachon | Chile | South America |
| | updated | I11 | Gemini South Observatory, Cerro Pachon | Chile | South America |
| | updated | G96 | University of Arizona Mt. Lemmon Survey | United States of America | North America |
| | updated | G83 | Mt. Graham-LBT | United States of America | North America |
| | updated | F65 | Haleakala-Faulkes Telescope North | United States of America | North America |
| | updated | E10 | Siding Spring-Faulkes Telescope South | Australia | Oceania |
| | updated | C58 | NEO Surveyor |  Space |  Space |
| | updated | C53 | NEOSSat | Space | Space |
| | updated | C51 | WISE | Space | Space |
| | updated | C50 | STEREO-B | Space | Space |
| | updated | C49 | STEREO-A | Space | Space |
| | updated | B63 | Solaris Observatory, Luczanowice |  Poland | Europe |
| | updated | 950 | La Palma | Spain | Europe |
| | updated | 809 | European Southern Observatory, La Silla | Chile | South America |
| | updated | 807 | Cerro Tololo Observatory, La Serena | Chile | South America |
| | updated | 703 | University of Arizona Catalina Sky Survey | United States of America | North America |
| | updated | 699 | Lowell Observatory-LONEOS | United States of America | North America |
| | updated | 695 | Kitt Peak | United States of America | North America |
| | updated | 691 | Steward Observatory, Kitt Peak-Spacewatch | United States of America | North America |
| | updated | 645 | Apache Point-Sloan Digital Sky Survey | United States of America | North America |
| | updated | 644 | Palomar Mountain/NEAT | United States of America | North America |
| | updated | 568 | Maunakea | United States of America | North America |
| | updated | 566 | Haleakala-NEAT/GEODSS | United States of America | North America |
| | updated | 413 | Siding Spring Observatory | Australia | Oceania |
| | updated | 323 | Perth Observatory, Bickley | Australia | Oceania |
| | updated | 309 | Cerro Paranal | Chile | South America |
| | updated | 291 | LPL/Spacewatch II | United States of America | North America |
| | updated | 274 | James Webb Space Telescope | Space | Space |
| | updated | 273 | Euclid | Space | Space |
| | updated | 267 | New Horizons KBO Search-CFHT | United States of America | North America |
| | updated | 266 | New Horizons KBO Search-Subaru | United States of America | North America |
| | updated | 262 | European Southern Observatory, La Silla-DSS | Chile | South America |
| | updated | 250 | Hubble Space Telescope | Space | Space |
| | updated | 249 | SOHO | Space | Space |
| | updated | 246 | Kleť Observatory-KLENOT |  Czechia | Europe |
| | updated | 245 | Spitzer Space Telescope | Space | Space |
| | updated | 209 | Asiago Observatory, Cima Ekar, 67/92 cm Schmidt | Italy | Europe |
| | updated | 204 | Schiaparelli Observatory | Italy | Europe |
| | updated | 098 | Asiago Observatory, Cima Ekar, 182 cm Copernicus | Italy | Europe |
| | updated | 033 | Karl Schwarzschild Observatory, Tautenburg |  Germany | Europe |
| 2026 May 15 | created | U66 | June Lake Overlook | United States of America | North America |
| 2026 May 11 | created | R47 | Madrid DSS-63 (70-m) | Spain | Europe |
| | created | R46 | Lovell (76-m, Jodrell Bank) | United Kingdom | Europe |
| | created | R18 | Two-meter Twin Telescope, TTT4 | Spain | Europe |
| | created | 335 | Polarimeter to Unify the Corona and Heliosphere (PUNCH) | Space | Space |
| | updated | R48 | Centro Astronómico Alto Turia 2 | Spain | Europe |
| | updated | J57 | Centro Astronómico Alto Turia 1 | Spain | Europe |
| | updated | 970 | Chelmsford | United Kingdom | Europe |
| | updated | 339 | Trace Gas Orbiter | Space | Space |
| | updated | 338 | Psyche | Space | Space |
| | updated | 336 | Lucy | Space | Space |
| 2026 May 06 | created | S05 | Sternwarte Burghausen | Germany | Europe |
| | created | R48 | Centro Astronómico Alto Turia 2 | Spain | Europe |
| 2026 May 05 | updated | M21 | Schiaparelli Southern Observatory, Hakos | Namibia | Africa |
| 2026 May 04 | created | S03 | Stierlingwald, Buermoos |  Austria | Europe |
| 2026 April 29 | created | R55 | ALFA CENTAURI, LAS MESAS | Spain | Europe |
| | created | R54 | Petit Cosquet, Bangor |  France | Europe |
| 2026 April 23 | updated | W76 | CHILESCOPE Observatory, Rio Hurtado | Chile | South America |
| 2026 April 22 | updated | P14 | Nedlands | Australia | Oceania |
| 2026 April 21 | created | X27 | SARA-CT | Chile | South America |
| | created | E54 | TransAstra at Springbrook | Australia | Oceania |
| 2026 April 20 | created | R75 | Rodamir, Roda de Bara | Spain | Europe |
| 2026 April 17 | updated | S47 | Alfastar - Astroclubul Bucuresti |  Bulgaria | Europe |
| 2026 April 13 | created | R74 | Observatori Puig d'Agulles, Vallirana | Spain | Europe |
| 2026 March 24 | created | X26 | NAOS, Alta Gracia |  Argentina | South America |
| | updated | W74 | Danish Telescope, La Silla | Chile | South America |
| 2026 March 18 | created | O58 | SSTAC, Pak Chong |  Thailand | Asia |
| | updated | 932 | John J. McCarthy Obs., New Milford | United States of America | North America |
| 2026 March 17 | created | W26 | Starpool Observatory, Hampstead | United States of America | North America |
| | created | S42 | Institute of Space Science Magurele |  Romania | Europe |
| 2026 March 11 | created | U92 | Astrottica Network USA2, Pie Town | United States of America | North America |
| | created | S04 | Osservatorio Astronomico Narciso Spuntoni, Tivoli Terme | Italy | Europe |
| 2026 March 04 | created | X25 | UBC Southern Observatory | Chile | South America |
| 2026 February 26 | created | R16 | Tafuriaste, La Orotava | Spain | Europe |
| | created | E42 | AUSTRALIA1/SRI, Swan Reach | Australia | Oceania |
| | updated | G34 | Oberfrauendorf | Germany | Europe |
| | updated | 434 | S. Benedetto Po | Italy | Europe |
| 2026 February 25 | updated | M18 | Koeditz | Germany | Europe |
| | updated | H45 | Arkansas Sky Obs., Petit Jean Mountain South | United States of America | North America |
| 2026 February 17 | created | V47 | McDonald Observatory-LCO ELP Aqawan B #2 | United States of America | North America |
| | updated | R20 | LaMelira, Las Palmas de Gran Canaria | Spain | Europe |
| 2026 February 10 | created | V46 | Walnut Park Observatory, Los Alamos | United States of America | North America |
| | created | V45 | McDonald Observatory-LCO ELP Aqawan B #1 | United States of America | North America |
| | updated | U95 | USA1/HCRO, Pie Town | United States of America | North America |
| 2026 February 04 | created | R73 | Observatoire de Tauxigny, Tauxigny | France | Europe |
| 2026 January 30 | created | V55 | The Gikem Observatory, Rockwood | United States of America | North America |
| | created | R97 | Baudenbach | Germany | Europe |
| 2026 January 28 | updated | L34 | Galhassin Robotic Telescope, Isnello | Italy | Europe |
| | updated | G84 | Mount Lemmon SkyCenter | United States of America | North America |
| 2026 January 21 | created | S61 | Mykolaiv, 0.3m f/5 Telescope |  Ukraine | Europe |
| | created | R72 | RubiObservatory, Rubí | Spain | Europe |
| | created | R71 | Erchico, San Vicente Del Raspeig | Spain | Europe |
| | created | 336 | Lucy | Space | Space |
| | updated | P21 | 6R-AUS1, Youndegin | Australia | Oceania |
| | updated | A37 | Mueggelheim | Germany | Europe |
| | updated | 089 | Mykolaiv | Ukraine | Europe |
| 2026 January 20 | updated | E41 | Strathalbyn | Australia | Oceania |
| 2026 January 15 | updated | V57 | Starfront Observatories, Rockwood | United States of America | North America |
| 2026 January 13 | created | W27 | RCNS, New Milford | United States of America | North America |
| 2026 January 12 | updated | J95 | Great Shefford | United Kingdom | Europe |
| 2026 January 09 | updated | O18 | WFST, Lenghu |  China | Asia |
| 2026 January 08 | created | E41 | Strathalbyn | Australia | Oceania |
| 2026 January 07 | updated | J69 | North Observatory, Clanfield | United Kingdom | Europe |
| | updated | 275 | Non-geocentric Occultation Observation |  Rover |  Rover |
| 2025 December 31 | created | W36 | EliLauren Observatory, Neilltown | United States of America | North America |
| | created | V48 | TransAstra at Winer | United States of America | North America |
| | created | U95 | USA1/HCRO, Pie Town | United States of America | North America |
| | created | R93 | Sanse Observatory, San Sebastiano Curone | Italy | Europe |
| | created | R52 | Observatorio IES Al-Baytar, Benalmádena | Spain | Europe |
| 2025 December 10 | updated | D43 | 45th Parallel Observatory, Pino Torinese | Italy | Europe |
| | updated | 587 | Sormano | Italy | Europe |
| | updated | 322 | Perth Observatory, Bickley-MCT | Australia | Oceania |
| 2025 December 05 | updated | 327 | Peking Observatory, Xinglong Station | China | Asia |
| 2025 December 04 | updated | Q23 | Sukagawa | Japan | Asia |
| 2025 November 26 | updated | Y84 | Observatoire de Bretagne | France | Europe |
| 2025 November 19 | updated | W79 | Cerro Tololo-LCO Aqawan B #1 | Chile | South America |
| | updated | Q59 | Siding Spring-LCO Clamshell #2 | Australia | Oceania |
| | updated | 247 | Roving Observer | Rover | Rover |
| 2025 November 18 | updated | C57 | TESS | Space | Space |
| 2025 November 12 | created | 338 | Psyche | Space | Space |
| 2025 November 05 | created | 339 | Trace Gas Orbiter | Space | Space |
| | updated | L87 | Moonbase South Observatory, Hakos | Namibia | Africa |
| 2025 November 03 | created | R53 | Pinos, Alhaurín de la Torre | Spain | Europe |
| | updated | S89 | FASTAU, Astrofarm Astroverts |  Russia | Europe |
| | updated | K83 | Osservatorio Astronomico Beppe Forti, Montelupo | Italy | Europe |
| 2025 October 29 | updated | V72 | JDP Observatory, Omaha | United States of America | North America |
| | updated | R49 | Observatorio Villuercas-Navezuelas, Navezuelas (CC) | Spain | Europe |
| 2025 October 27 | updated | 308 | Usuda Deep Space Center, 64-m, Nagano | Japan | Asia |
| | updated | 287 | Ceduna 30, UTAS | Australia | Oceania |
| | updated | 272 | Canberra DSS 34 | Australia | Oceania |
| | updated | 271 | Australia Telescope Compact Array, W196 reduction, DSS 47 | Australia | Oceania |
| | updated | 265 | Canberra DSS 43 | Australia | Oceania |
| | updated | 264 | Canberra DSS 36 | Australia | Oceania |
| | updated | 263 | Canberra DSS 35 | Australia | Oceania |
| | updated | 259 | EISCAT Tromso UHF |  Norway | Europe |
| | updated | 257 | Goldstone DSS 25, Fort Irwin | United States of America | North America |
| | updated | 256 | Green Bank | United States of America | North America |
| | updated | 255 | Yevpatoriya | Ukraine | Europe |
| | updated | 254 | Haystack, Westford | United States of America | North America |
| | updated | 253 | Goldstone DSS 14, Fort Irwin | United States of America | North America |
| | updated | 252 | Goldstone DSS 13, Fort Irwin | United States of America | North America |
| | updated | 251 | Arecibo |  Puerto Rico | North America |
| 2025 October 22 | updated | V00 | Kitt Peak-Bok | United States of America | North America |
| 2025 October 20 | created | X24 | Observatorio Desierto Cosmico, Atacama | Chile | South America |
| | created | S89 | FASTAU, Astrofarm Astroverts | Russia | Europe |
| | created | R92 | Osterholz-Scharmbeck | Germany | Europe |
| 2025 October 15 | created | R85 | Telescope Leonard de Vinci, GAPRA, Antibes | France | Europe |
| | created | R70 | WATCH, Beychac Et Caillau | France | Europe |
| | updated | X23 | Observatoire de Verification de Tous Les NEOs-2, San Pedro de Atacama | Chile | South America |
| 2025 October 07 | created | X23 | Observatoire de Verification de Tous Les NEOs-2, San Pedro de Atacama | Chile | South America |
| | updated | M26 | Zen Observatory, Scandicci | Italy | Europe |
| | updated | D63 | G. Pascoli Observatory, Castelvecchio Pascoli (since June 2023) | Italy | Europe |
| 2025 October 06 | created | R51 | Astrogredos Observatory, Arenas de San Pedro | Spain | Europe |
| | created | 308 | Usuda Deep Space Center, 64-m, Nagano | Japan | Asia |
| | created | 287 | Ceduna 30, UTAS | Australia | Oceania |
| | created | 272 | Canberra DSS 34 | Australia | Oceania |
| 2025 September 30 | created | E84 | Twizel Observatory |  New Zealand | Oceania |
| 2025 September 24 | created | X22 | BTN-1, Deep Sky Chile | Chile | South America |
| 2025 September 22 | created | R99 | Giuliano Betti Observatory, Firenze | Italy | Europe |
| | created | R68 | Bourgeon Observatory | France | Europe |
| 2025 September 17 | updated | Z99 | Clixby Observatory, Cleethorpes | United Kingdom | Europe |
| | updated | Z98 | Observatorio TRZ, Bétera | Spain | Europe |
| | updated | Z97 | OPERA Observatory, Saint Palais | France | Europe |
| | updated | Z96 | Observatorio Cesaraugusto | Spain | Europe |
| | updated | Z95 | Astronomia Para Todos Remote Observatory | Spain | Europe |
| | updated | Z94 | Kempshott | United Kingdom | Europe |
| | updated | Z93 | Observatorio Polop, Alicante | Spain | Europe |
| | updated | Z92 | Almalex Observatory, Leeds | United Kingdom | Europe |
| | updated | Z91 | Curdridge | United Kingdom | Europe |
| | updated | Z90 | Albox | Spain | Europe |
| | updated | Z89 | Macclesfield | United Kingdom | Europe |
| | updated | Z88 | Fosseway Observatory, Stratton-on-the-Fosse | United Kingdom | Europe |
| | updated | Z87 | Stanley Laver Observatory, Pontesbury | United Kingdom | Europe |
| | updated | Z86 | St. Mellons | United Kingdom | Europe |
| | updated | Z85 | Observatorio Sierra Contraviesa | Spain | Europe |
| | updated | Z83 | Chicharronian 3C Observatory, Tres Cantos | Spain | Europe |
| | updated | Z82 | BOOTES-2 Observatory, Algarrobo | Spain | Europe |
| | updated | Z81 | Observatorio Estrella de Mar | Spain | Europe |
| | updated | Z80 | Northolt Branch Observatory | United Kingdom | Europe |
| | updated | Z79 | Calar Alto TNO Survey | Spain | Europe |
| | updated | Z78 | Arroyo Observatory, Arroyo Hurtado | Spain | Europe |
| | updated | Z77 | Osuna | Spain | Europe |
| | updated | Z76 | Observatorio Carda, Villaviciosa | Spain | Europe |
| | updated | Z75 | Observatorio Sirius, Las Lomas | Spain | Europe |
| | updated | Z74 | Amanecer de Arrakis | Spain | Europe |
| | updated | Z73 | Observatorio Nuevos Horizontes, Camas | Spain | Europe |
| | updated | Z72 | Cademuir Observatory, Dalkey |  Ireland | Europe |
| | updated | Z71 | Observatorio Norba Caesarina, Aldea Moret | Spain | Europe |
| | updated | Z70 | Ponferrada | Spain | Europe |
| | updated | Z69 | Observatorio Mazagon Huelva | Spain | Europe |
| | updated | Z68 | Observatorio Torreáguila, Barbaño | Spain | Europe |
| | updated | Z67 | Dunboyne Castle Observatory | Ireland | Europe |
| | updated | Z66 | DeSS Deimos Sky Survey, Niefla Mountain | Spain | Europe |
| | updated | Z65 | Observatorio Astronomico Corgas | Spain | Europe |
| | updated | Z64 | Observatorio el Miron del Cielo | Spain | Europe |
| | updated | Z63 | Skybor Observatory, Borja | Spain | Europe |
| | updated | Z62 | Observatorio Forcarei | Spain | Europe |
| | updated | Z61 | Montecanal Observatory, Zaragoza | Spain | Europe |
| | updated | Z60 | Observatorio Zaldibia | Spain | Europe |
| | updated | Z59 | Chelford Observatory | United Kingdom | Europe |
| | updated | Z57 | Observatorio Zuben, Alhaurín de la Torre | Spain | Europe |
| | updated | Z56 | Knocknaboola | Ireland | Europe |
| | updated | Z55 | Uraniborg Observatory, Écija | Spain | Europe |
| | updated | Z54 | Greenmoor Observatory, Woodcote | United Kingdom | Europe |
| | updated | Z53 | TRAPPIST-North, Oukaïmeden |  Morocco | Africa |
| | updated | Z52 | The Studios Observatory, Grantham | United Kingdom | Europe |
| | updated | Z51 | Anunaki Observatory, Rivas Vaciamadrid | Spain | Europe |
| | updated | Z50 | Mazariegos | Spain | Europe |
| | updated | Z49 | Alston Observatory | United Kingdom | Europe |
| | updated | Z48 | Northolt Branch Observatory 2, Shepherd's Bush | United Kingdom | Europe |
| | updated | Z47 | Runcorn | United Kingdom | Europe |
| | updated | Z46 | Cardiff | United Kingdom | Europe |
| | updated | Z45 | Cosmos Observatory, Marbella | Spain | Europe |
| | updated | Z44 | Observatorio Terminus, A Coruña | Spain | Europe |
| | updated | Z43 | Landehen | France | Europe |
| | updated | Z42 | Rushay Farm Observatory, Sturminster Newton | United Kingdom | Europe |
| | updated | Z41 | Irydeo Observatory, Camarma de Esteruelas | Spain | Europe |
| | updated | Z40 | El Manzanillo Observatory, Puerto de la Torre | Spain | Europe |
| | updated | Z39 | Observatorio Costa Teguise | Spain | Europe |
| | updated | Z38 | Picoto Observatory, Leiria | Portugal | Europe |
| | updated | Z37 | Northolt Branch Observatory 3, Blandford Forum | United Kingdom | Europe |
| | updated | Z36 | Cancelada | Spain | Europe |
| | updated | Z35 | OAO University Observatory Station Aras | Spain | Europe |
| | updated | Z34 | NNHS Drummonds Observatory | United Kingdom | Europe |
| | updated | Z32 | Observatorio Astrofisico de Javalambre, Arcos de las Salinas | Spain | Europe |
| | updated | Z30 | Glyn Marsh Observatory, Douglas |  Isle of Man | Europe |
| | updated | Z29 | Observatorio Astronomico Sobradillo | Spain | Europe |
| | updated | Z28 | Northern Skygems Observatory, Nerpio | Spain | Europe |
| | updated | Z27 | Observatorio Coralito, La Laguna | Spain | Europe |
| | updated | Z26 | Observatorio Astronomico Arcangel, Las Zocas | Spain | Europe |
| | updated | Z25 | Artemis Observatory, Teide | Spain | Europe |
| | updated | Z23 | Nordic Optical Telescope, La Palma | Spain | Europe |
| | updated | Z22 | MASTER-IAC Observatory, Tenerife | Spain | Europe |
| | updated | Z20 | La Palma-MERCATOR | Spain | Europe |
| | updated | Z19 | La Palma-TNG | Spain | Europe |
| | updated | Z18 | Gran Telescopio Canarias, Roque de los Muchachos | Spain | Europe |
| | updated | Z16 | Asociacion Astronomica de Cartagena | Spain | Europe |
| | updated | Z15 | Southwater | United Kingdom | Europe |
| | updated | Z14 | ART, Fregenal de la Sierra | Spain | Europe |
| | updated | Z13 | Observatorio AGP GUAM 4, Málaga | Spain | Europe |
| | updated | Z12 | La Romaneta, Monovar | Spain | Europe |
| | updated | Z10 | PGC, Fregenal de la Sierra | Spain | Europe |
| | updated | Z09 | Old Orchard Observatory, Fiddington | United Kingdom | Europe |
| | updated | Z08 | Telescope Live, Oria | Spain | Europe |
| | updated | Z07 | Ad Astra Sangos Observatory, Alhendin | Spain | Europe |
| | updated | Z06 | Marina Sky, Nerpio | Spain | Europe |
| | updated | Z05 | Observatorio Horus, Cartama | Spain | Europe |
| | updated | Z04 | MAO, Ain Laqsab | Morocco | Africa |
| | updated | Z03 | Rio Cofio, Robledo de Chavela | Spain | Europe |
| | updated | Z02 | HAO observatory, Oukaïmeden | Morocco | Africa |
| | updated | Z01 | OWL-Net, Oukaïmeden | Morocco | Africa |
| | updated | Z00 | BOOTES-1, Mazagon | Spain | Europe |
| | updated | Y99 | Observatorio del Lucero del Alba | Spain | Europe |
| | updated | Y98 | Southside Observatory, Steeple Aston | United Kingdom | Europe |
| | updated | Y97 | Bommes Observatory, Bommes | France | Europe |
| | updated | Y96 | Observatorio de Vega del Codorno | Spain | Europe |
| | updated | Y95 | Pradillos Ferez | Spain | Europe |
| | updated | Y94 | LCB Lugueros observatory, Valdelugueros | Spain | Europe |
| | updated | Y93 | Observatorio Azahar, Valoria la Buena | Spain | Europe |
| | updated | Y92 | JD Cassini, Piconcillo | Spain | Europe |
| | updated | Y91 | Ras Algethi, Ronda | Spain | Europe |
| | updated | Y90 | Observatorio ESTELIA, Ladines | Spain | Europe |
| | updated | Y89 | Proxima Centauri Observatory, Valdin | Spain | Europe |
| | updated | Y88 | ASERO, Valdin | Spain | Europe |
| | updated | Y87 | Trevinca Skies-Amalthea, Trevinca | Spain | Europe |
| | updated | Y86 | Observatorio de Seron | Spain | Europe |
| | updated | Y85 | Magalofes Observatory, Fene | Spain | Europe |
| | updated | Y83 | Observatorio Arcosur, Zaragoza | Spain | Europe |
| | updated | Y82 | LPMR Observatory, Broad Chalke | United Kingdom | Europe |
| | updated | Y81 | Forthimage, Edinburgh | United Kingdom | Europe |
| | updated | Y80 | Brenehuen, Grand-Champ | France | Europe |
| | updated | Y79 | Observatoire de la grande vallee, Etriac | France | Europe |
| | updated | Y78 | Tros Alt | Spain | Europe |
| | updated | Y77 | Cotos de Monterrey, Venturada | Spain | Europe |
| | updated | Y76 | Observatorio NovaCanet, Canet de Berenguer | Spain | Europe |
| | updated | Y75 | Abraham Zacut, Salamanca | Spain | Europe |
| | updated | Y71 | Makroskooppi, Fregenal de la Sierra | Spain | Europe |
| | updated | Y70 | ApolloIV5, Fregenal de la Sierra | Spain | Europe |
| | updated | Y68 | Two-meter Twin Telescope, TTT3 | Spain | Europe |
| | updated | Y67 | High Atlas Window to the Kosmos, Oukaimeden | Morocco | Africa |
| | updated | Y66 | Two-meter Twin Telescope, TTT2 | Spain | Europe |
| | updated | Y65 | Two-meter Twin Telescope, TTT1 | Spain | Europe |
| | updated | Y64 | Transient Survey Telescope (TST), Teide | Spain | Europe |
| | updated | Y63 | SNX-NET, Oukaïmeden | Morocco | Africa |
| | updated | Y40 | Discovery Observatory, Caruaru | Brazil | South America |
| | updated | Y28 | OASI, Nova Itacuruba | Brazil | South America |
| | updated | Y16 | ROCG, Campos dos Goytacazes | Brazil | South America |
| | updated | Y05 | SONEAR Wykrota-CEAMIG, Serra da Piedade | Brazil | South America |
| | updated | Y01 | SONEAR 2 Observatory, Belo Horizonte | Brazil | South America |
| | updated | Y00 | SONEAR Observatory, Oliveira | Brazil | South America |
| | updated | X93 | Munhoz Observatory | Brazil | South America |
| | updated | X91 | Orion-Colesanti observatory, Mairinque | Brazil | South America |
| | updated | X90 | Carina Observatory, Brasilia | Brazil | South America |
| | updated | X89 | Rocca Observatory, Brasilia | Brazil | South America |
| | updated | X88 | Observatorio Adhara, Sorocaba | Brazil | South America |
| | updated | X87 | Dogsheaven Observatory, Brasilia | Brazil | South America |
| | updated | X86 | Ottoservatorio, Tatui | Brazil | South America |
| | updated | X77 | Centro Astron. Nevoeiro, Antonio Olinto | Brazil | South America |
| | updated | X76 | SUN Observatory, Redencao | Brazil | South America |
| | updated | X74 | Observatório Campo dos Amarais | Brazil | South America |
| | updated | X72 | Waccobs, Sao Leopoldo | Brazil | South America |
| | updated | X70 | Observatorio OATU, Tupi Paulista | Brazil | South America |
| | updated | X60 | Guaraciaba Observatory | Brazil | South America |
| | updated | X57 | Polo Astronômico CMF,Foz do Iguaçu | Brazil | South America |
| | updated | X50 | Observatorio Astronomico de Montevideo |  Uruguay | South America |
| | updated | X41 | Observatorio Protón-Protón, Longchamps | Argentina | South America |
| | updated | X40 | Cielos de Banfield, Banfield | Argentina | South America |
| | updated | X39 | Observatorio Antares, Pilar | Argentina | South America |
| | updated | X38 | Observatorio Pueyrredon, La Lonja | Argentina | South America |
| | updated | X33 | OARU, Manaus | Brazil | South America |
| | updated | X31 | Galileo Galilei Observatory, Oro Verde | Argentina | South America |
| | updated | X29 | Observatorio Astronómico Municipal de Funes | Argentina | South America |
| | updated | X21 | RoSaMund Obervatory - DSC, Rio Hurtado | Chile | South America |
| | updated | X20 | BOOTES-7, San Pedro Atacama | Chile | South America |
| | updated | X19 | Santel Observatory, El Leoncito | Argentina | South America |
| | updated | X18 | 6R-POL2, San Pedro de Atacama | Chile | South America |
| | updated | X17 | BlackGEM | Chile | South America |
| | updated | X16 | Astronomia Sigma Octante, Cochabamba |  Bolivia | South America |
| | updated | X15 | ABYO, San Pedro de Atacama | Chile | South America |
| | updated | X14 | Observatorio Orbis Tertius, Córdoba | Argentina | South America |
| | updated | X13 | Observatorio Remoto Bosque Alegre | Argentina | South America |
| | updated | X12 | Observatorio Los Cabezones | Argentina | South America |
| | updated | X10 | OVTLN, San Pedro de Atacama | Chile | South America |
| | updated | X09 | Deep Random Survey, Rio Hurtado | Chile | South America |
| | updated | X08 | ShAO Chile station, El Sauce | Chile | South America |
| | updated | X07 | iTelescope Deep Sky Chile, Rio Hurtado | Chile | South America |
| | updated | X06 | Skygems Chile, Rio Hurtado | Chile | South America |
| | updated | X04 | MCD Observatory, Saint-Anaclet |  Canada | North America |
| | updated | X03 | Observatoire SADR, Poroto | Chile | South America |
| | updated | X02 | Telescope Live, El Sauce | Chile | South America |
| | updated | X01 | Observatory Hurtado, El Sauce | Chile | South America |
| | updated | X00 | Observatorio Astronomico Tolar | Argentina | South America |
| | updated | W99 | Searchlight Observatory Network, San Pedro de Atacama Station | Chile | South America |
| | updated | W96 | CAO, San Pedro de Atacama (since 2013) | Chile | South America |
| | updated | W95 | Observatorio Panameno, San Pedro de Atacama | Chile | South America |
| | updated | W94 | MAPS, San Pedro de Atacama | Chile | South America |
| | updated | W93 | Korea Microlensing Telescope Network-CTIO | Chile | South America |
| | updated | W92 | MASTER-OAFA Observatory, San Juan | Argentina | South America |
| | updated | W91 | VHS-VISTA, Cerro Paranal | Chile | South America |
| | updated | W90 | Phillips Exeter Academy Grainger Observatory | United States of America | North America |
| | updated | W88 | Slooh.com Chile Observatory, La Dehesa | Chile | South America |
| | updated | W83 | Whitin Observatory, Wellesley | United States of America | North America |
| | updated | W82 | Mendel Observatory, Merrimack College | United States of America | North America |
| | updated | W81 | Nebula Knoll Observatory, East Wakefield | United States of America | North America |
| | updated | W80 | Westwood | United States of America | North America |
| | updated | W78 | Clay Telescope, Harvard University | United States of America | North America |
| | updated | W77 | Skyledge Observatory, Killingworth | United States of America | North America |
| | updated | W75 | SPECULOOS-South Observatory, Paranal | Chile | South America |
| | updated | W73 | Observatorio Astronomico de Moquegua, Carumas |  Peru | South America |
| | updated | W72 | Trumbull Observatory, Trumbull | United States of America | North America |
| | updated | W71 | Rand II Observatory, Lake Placid | United States of America | North America |
| | updated | W70 | Loose Goose Observatory, Saint-Jérome | Canada | North America |
| | updated | W69 | OLPH Observatory, Brooklyn | United States of America | North America |
| | updated | W67 | Paul Robinson Observatory, Voorhees State Park | United States of America | North America |
| | updated | W66 | SVH Observatory, Blairstown | United States of America | North America |
| | updated | W65 | Observatoire GOZ, Montpellier | Canada | North America |
| | updated | W64 | Red Lion Observatory, Southampton Twsp | United States of America | North America |
| | updated | W63 | Observatorio Astronomico UTP, Pereira |  Colombia | South America |
| | updated | W62 | Comet Hunter Observatory2, New Ringgold | United States of America | North America |
| | updated | W61 | Leeside Observatory, Elgin | Canada | North America |
| | updated | W60 | AstroExplor Observatory, Tinjaca | Colombia | South America |
| | updated | W59 | The Dark Side Observatory, Weatherly | United States of America | North America |
| | updated | W58 | ALPHA Observatory, South Laurel | United States of America | North America |
| | updated | W56 | Pineapple Observatory, Frederick | United States of America | North America |
| | updated | W55 | Natelli Observatory, Frederick | United States of America | North America |
| | updated | W54 | Mark Slade Remote Observatory, Wilderness | United States of America | North America |
| | updated | W53 | Hagerstown | United States of America | North America |
| | updated | W52 | US Naval Academy Hopper Hall Observatory | United States of America | North America |
| | updated | W51 | Custer Institute and Observatory | United States of America | North America |
| | updated | W50 | Apex | United States of America | North America |
| | updated | W49 | CBA-MM Observatory, Mountain Meadows | United States of America | North America |
| | updated | W48 | BKH Observatory, Chapel Hill | United States of America | North America |
| | updated | W47 | SNX-NET, Rio Hurtado | Chile | South America |
| | updated | W46 | Foxfire Village | United States of America | North America |
| | updated | W45 | Benito Loyola Observatory, Virginia Beach | United States of America | North America |
| | updated | W44 | Duo Ursi de Saltu, Scarsdale | United States of America | North America |
| | updated | W43 | MT_Hope_Cavu, Otisville | United States of America | North America |
| | updated | W42 | Mind's Eye Observatory, Vero Beach | United States of America | North America |
| | updated | W41 | Anderson Observatory | United States of America | North America |
| | updated | W40 | Hampden-Sydney Observatory | United States of America | North America |
| | updated | W39 | Robinson Observatory | United States of America | North America |
| | updated | W38 | Dark Sky Observatory, Boone | United States of America | North America |
| | updated | W37 | Transit Dreams Observatory-North, Hamburg NY | United States of America | North America |
| | updated | W35 | Buffalo Creek Observatory, Nahunta | United States of America | North America |
| | updated | W34 | Squirrel Valley Observatory, Columbus | United States of America | North America |
| | updated | W33 | Transit Dreams Observatory, Campobello | United States of America | North America |
| | updated | W32 | Crawfordville Observatory | United States of America | North America |
| | updated | W31 | Deerlick Observatory, Crawfordville | United States of America | North America |
| | updated | W30 | Georgia College Observatory, Milledgeville | United States of America | North America |
| | updated | W29 | Adena Brook Observatory, Columbus | United States of America | North America |
| | updated | W28 | Ex Nihilo Observatory, Winder | United States of America | North America |
| | updated | W25 | RMS Observatory, Cincinnati | United States of America | North America |
| | updated | W24 | Shamrock Banks Observatory, Clare | United States of America | North America |
| | updated | W23 | Hevonen Farm Observatory, Oxford | United States of America | North America |
| | updated | W22 | WestRock Observatory, Columbus | United States of America | North America |
| | updated | W19 | Kalamazoo | United States of America | North America |
| | updated | W18 | Red Fox Observatory, Pendleton | United States of America | North America |
| | updated | W17 | Arrowhead, Sheridan | United States of America | North America |
| | updated | W16 | Pleasant Groves Observatory | United States of America | North America |
| | updated | W15 | Wayne Observatory, Franklin | United States of America | North America |
| | updated | W14 | Harvest | United States of America | North America |
| | updated | W13 | Star Quarry Observatory, Bedford | United States of America | North America |
| | updated | W11 | Northwest Indiana Robotic Telescope, Lowell | United States of America | North America |
| | updated | W09 | Willowed Plains Observatory, Manteno | United States of America | North America |
| | updated | W08 | Jimginny Observatory, Naperville | United States of America | North America |
| | updated | W05 | Tree Gate Farm Observatory, Starkville | United States of America | North America |
| | updated | W04 | Mark Evans Observatory, Bloomington | United States of America | North America |
| | updated | V94 | Cherokeeridge Observatory, Fort Madison | United States of America | North America |
| | updated | V93 | Pin Oak Observatory, Fort Madison | United States of America | North America |
| | updated | V92 | White County Observatory, Searcy | United States of America | North America |
| | updated | V88 | River Ridge Observatory, Conway | United States of America | North America |
| | updated | V86 | Rattle Snake Observatory, Sedalia | United States of America | North America |
| | updated | V83 | Rolling Hills Observatory, Warrensburg | United States of America | North America |
| | updated | V81 | Fayetteville | United States of America | North America |
| | updated | V78 | Spirit Marsh Observatory, Sauk Centre | United States of America | North America |
| | updated | V75 | Live Oak Observatory, Lake Jackson | United States of America | North America |
| | updated | V74 | Katy Observatory, Katy | United States of America | North America |
| | updated | V70 | Starry Night Observatory, Columbus | United States of America | North America |
| | updated | V63 | Tara Observatory, Cherokee | United States of America | North America |
| | updated | V62 | Live Oak Observatory, Pontotoc | United States of America | North America |
| | updated | V61 | Shed of Science South, Pontotoc | United States of America | North America |
| | updated | V60 | Putman Mountain Observatory | United States of America | North America |
| | updated | V59 | Millwood Observatory, Comfort | United States of America | North America |
| | updated | V58 | Medina Dome, Medina | United States of America | North America |
| | updated | V56 | Stonehenge Observatory, Novice | United States of America | North America |
| | updated | V54 | Observatoire LAURIER, El Marques |  Mexico | North America |
| | updated | V44 | Coyote Watcher, Pie Town | United States of America | North America |
| | updated | V43 | Chiricahua Skies Observatory, Sunizona | United States of America | North America |
| | updated | V42 | Dimension Point, Mayhill | United States of America | North America |
| | updated | V41 | Rapid City | United States of America | North America |
| | updated | V40 | Divine Creation Observatory, Fort Davis | United States of America | North America |
| | updated | V36 | The Ranch Observatory, Lakewood | United States of America | North America |
| | updated | V35 | Deep Sky Observatory Collaborative, Pier 5, Fort Davis | United States of America | North America |
| | updated | V34 | Baker Observatory, Black Forest | United States of America | North America |
| | updated | V33 | Finlaystone Observatory, Angel Fire | United States of America | North America |
| | updated | V32 | Canvas View New Mexico Skies, Mayhill | United States of America | North America |
| | updated | V31 | Hazardous Observatory, Mayhill | United States of America | North America |
| | updated | V30 | Heaven on Earth Observatory, Mayhill | United States of America | North America |
| | updated | V29 | Tzec Maun Cloudcroft Facility | United States of America | North America |
| | updated | V28 | Deep Sky West Observatory, Rowe | United States of America | North America |
| | updated | V26 | UAS-ISON Observatory, Cosala | Mexico | North America |
| | updated | V25 | Tortugas Mountain Observatory, Las Cruces | United States of America | North America |
| | updated | V24 | Sonoran Desert Skies Observatory, Pearce | United States of America | North America |
| | updated | V23 | FOAH Observatory, Magdalena | United States of America | North America |
| | updated | V22 | Insight Remote Observatory, Pie Town | United States of America | North America |
| | updated | V21 | Cewanee Observatory at DSNM | United States of America | North America |
| | updated | V20 | Killer Rocks Observatory, Pie Town | United States of America | North America |
| | updated | V19 | Whiskey Creek Observatory | United States of America | North America |
| | updated | V18 | MASTER-OAGH Observatory, Sonora | Mexico | North America |
| | updated | V17 | Leo Observatory, Tucson | United States of America | North America |
| | updated | V16 | Dark Sky New Mexico, Animas | United States of America | North America |
| | updated | V15 | OWL-Net, Mt. Lemmon | United States of America | North America |
| | updated | V14 | Moose Springs Observatory, Timber Lakes | United States of America | North America |
| | updated | V13 | Little Moose Observatory, Timber Lakes | United States of America | North America |
| | updated | V12 | Elgin | United States of America | North America |
| | updated | V11 | Saguaro Observatory, Tucson | United States of America | North America |
| | updated | V10 | Sierra Sinagua Observatory, Flagstaff | United States of America | North America |
| | updated | V09 | Moka Observatory, Benson | United States of America | North America |
| | updated | V08 | Mountain Creek Ranch, Vail | United States of America | North America |
| | updated | V07 | Whipple Observatory, Mount Hopkins-PAIRITEL | United States of America | North America |
| | updated | V05 | Rusty Mountain Observatory, Gold Canyon | United States of America | North America |
| | updated | V04 | Flagstaff Robotic Survey Telescope, Anderson Mesa | United States of America | North America |
| | updated | V03 | Big Water | United States of America | North America |
| | updated | V02 | Command Module, Tempe | United States of America | North America |
| | updated | V01 | Mountainville Observatory, Alpine | United States of America | North America |
| | updated | U99 | BCC Observatory, Black Canyon City | United States of America | North America |
| | updated | U98 | NAC Observatory, Benson | United States of America | North America |
| | updated | U97 | JPL SynTrack Robotic Telescope 3, Flagstaff | United States of America | North America |
| | updated | U96 | Athabasca University Geophysical Observatory, Athabasca | Canada | North America |
| | updated | U94 | iTelescope Observatory, Beryl Junction | United States of America | North America |
| | updated | U93 | Skygems Dreamscope Utah, Beryl Junction | United States of America | North America |
| | updated | U86 | BOOTES-5, Bajo California | Mexico | North America |
| | updated | U83 | Mount Laguna Observatory | United States of America | North America |
| | updated | U82 | CS3-Palmer Divide Station, Landers | United States of America | North America |
| | updated | U81 | CS3-Trojan Station, Landers | United States of America | North America |
| | updated | U80 | CS3-DanHenge Observatory, Landers | United States of America | North America |
| | updated | U79 | Cosmos Research Center, Encinitas | United States of America | North America |
| | updated | U78 | Cedar Glen Observatory | United States of America | North America |
| | updated | U77 | Rani Observatory, San Diego | United States of America | North America |
| | updated | U76 | Maury Lewin Observatory, Glendora | United States of America | North America |
| | updated | U75 | Newport Beach | United States of America | North America |
| | updated | U74 | JPL SynTrack Robotic Telescope 2, Auberry | United States of America | North America |
| | updated | U73 | Redondo Beach | United States of America | North America |
| | updated | U72 | Tarzana | United States of America | North America |
| | updated | U71 | AHS Observatory, Castaic | United States of America | North America |
| | updated | U70 | RASC Observatory, Alder Springs | United States of America | North America |
| | updated | U69 | iTelescope SRO Observatory, Auberry | United States of America | North America |
| | updated | U68 | JPL SynTrack Robotic Telescope, Auberry | United States of America | North America |
| | updated | U67 | Jack C. Davis Observatory, Carson City | United States of America | North America |
| | updated | U65 | CWU Observatory, Ellensburg | United States of America | North America |
| | updated | U64 | CWU-Lind Observatory, Ellensburg | United States of America | North America |
| | updated | U63 | Burnt Tree Hill Observatory, Cle Elum | United States of America | North America |
| | updated | U62 | TransAstra TKO at SkiesAway | United States of America | North America |
| | updated | U57 | Black Mountain Observatory, Los Altos | United States of America | North America |
| | updated | U56 | Palo Alto | United States of America | North America |
| | updated | U55 | Golden Ears Observatory, Maple Ridge | Canada | North America |
| | updated | U54 | Hume Observatory, Santa Rosa | United States of America | North America |
| | updated | U53 | Murray Hill Observatory, Beaverton | United States of America | North America |
| | updated | U52 | Shasta Valley Observatory, Grenada | United States of America | North America |
| | updated | T35 | Astronomical Society of Tahiti |  French Polynesia | Oceania |
| | updated | T07 | ATLAS-MLO Auxiliary Camera, Mauna Loa | United States of America | North America |
| | updated | T02 | SNX-NET, Wailuku | United States of America | North America |
| | updated | S93 | INASAN-Kislovodsk Observatory | Russia | Europe |
| | updated | S86 | Alamri astronomical observatory |  Saudi Arabia | Asia |
| | updated | S43 | StarBlazer Observatory, Bucharest | Romania | Europe |
| | updated | S30 | Zenit, Hajduboszormeny | Hungary | Europe |
| | updated | S24 | Szilard Leo Observatory, Bujak | Hungary | Europe |
| | updated | S16 | ASI Matera Flyeye | Italy | Europe |
| | updated | R95 | Fiammetta Observatory, La Spezia | Italy | Europe |
| | updated | R88 | La Porte des Etoiles, Corgémont |  Switzerland | Europe |
| | updated | R87 | Observatoire de la Cote d'Azur | France | Europe |
| | updated | R86 | Mont-Soleil, Saint-Imier | Switzerland | Europe |
| | updated | R83 | Observatoire Banon La Tuilerie, Banon | France | Europe |
| | updated | R80 | Observatoire International de Beauvert | France | Europe |
| | updated | R79 | Observatoire Hubert Reeves, Mars | France | Europe |
| | updated | R78 | Crystal Lake Observatory, Ngutunui | New Zealand | Oceania |
| | updated | R77 | Observatoire de l'étoile qui rit, St Martin de Londres | France | Europe |
| | updated | R76 | LEPTINA-ONE, Estinnes-au-val |  Belgium | Europe |
| | updated | R69 | SAT01-Mntlouis sur Loire | France | Europe |
| | updated | R67 | Chinon Private Observatory, Chinon | France | Europe |
| | updated | R66 | Mooray Observatory, Christchurch | New Zealand | Oceania |
| | updated | R65 | R. F. Joyce Observatory, Christchurch | New Zealand | Oceania |
| | updated | R64 | Steyning Observatory | United Kingdom | Europe |
| | updated | R63 | Observatorio Sureste Estelar, Fuente Alamo | Spain | Europe |
| | updated | R62 | lama'stro, Le Genest-Saint-Isle | France | Europe |
| | updated | R61 | Landete-Kea | Spain | Europe |
| | updated | R60 | MonitorMyPlanet, Nerpio | Spain | Europe |
| | updated | R59 | Camarasa Observatory, Astrocamp Nerpio | Spain | Europe |
| | updated | R58 | Beverly-Begg Observatory, Dunedin | New Zealand | Oceania |
| | updated | R57 | Aorangi Iti Observatory, Lake Tekapo | New Zealand | Oceania |
| | updated | R56 | Scott Street Observatory, Lake Tekapo | New Zealand | Oceania |
| | updated | R50 | Obsservatorio astronomico Orion, San Agustin del Pozo | Spain | Europe |
| | updated | R45 | Tycho Brahe, Trevinca | Spain | Europe |
| | updated | R44 | Metis Trevinca Skies | Spain | Europe |
| | updated | R14 | VillaDeMazoElHoyo | Spain | Europe |
| | updated | R13 | GOTO North | Spain | Europe |
| | updated | Q81 | Caloundra West | Australia | Oceania |
| | updated | Q80 | Birkdale | Australia | Oceania |
| | updated | Q79 | Samford Valley Observatory | Australia | Oceania |
| | updated | Q78 | Woogaroo Observatory, Forest Lake | Australia | Oceania |
| | updated | Q73 | Buckthorn, Thornton | Australia | Oceania |
| | updated | Q71 | SNX-NET, Siding Spring | Australia | Oceania |
| | updated | Q70 | Glenlee Observatory, Glenlee | Australia | Oceania |
| | updated | Q69 | Hazelbrook | Australia | Oceania |
| | updated | Q68 | Blue Mountains Observatory, Leura | Australia | Oceania |
| | updated | Q67 | JBL Observatory, Bathurst | Australia | Oceania |
| | updated | Q66 | Siding Spring-Janess-G, JAXA | Australia | Oceania |
| | updated | Q65 | Warrumbungle Observatory | Australia | Oceania |
| | updated | Q62 | iTelescope Observatory, Siding Spring | Australia | Oceania |
| | updated | Q61 | PROMPT, Siding Spring | Australia | Oceania |
| | updated | Q60 | ISON-SSO Observatory, Siding Spring | Australia | Oceania |
| | updated | Q57 | Korea Microlensing Telescope Network-SSO | Australia | Oceania |
| | updated | Q56 | Heaven's Mirror Observatory, Yass | Australia | Oceania |
| | updated | Q54 | Harlingten Telescope, Greenhill Observatory | Australia | Oceania |
| | updated | Q38 | Swan Hill | Australia | Oceania |
| | updated | Q33 | Nayoro Observatory, Hokkaido University | Japan | Asia |
| | updated | Q24 | Katori | Japan | Asia |
| | updated | Q22 | SNX-NET, Moorook | Australia | Oceania |
| | updated | Q21 | Southern Utsunomiya | Japan | Asia |
| | updated | Q20 | Swan Reach Imaging, Glenalta | Australia | Oceania |
| | updated | Q19 | Machida | Japan | Asia |
| | updated | Q14 | Goto Astronomical Observatory in Yatsugatake | Japan | Asia |
| | updated | Q11 | Shinshiro | Japan | Asia |
| | updated | Q10 | Toyokawa Observatory | Japan | Asia |
| | updated | Q06 | Tarui Observatory, Tarui | Japan | Asia |
| | updated | Q02 | Sakai Observatory, Osaka | Japan | Asia |
| | updated | P93 | Space Tracking and Communications Center, JAXA | Japan | Asia |
| | updated | P87 | Hirao Observatory, Yamaguchi | Japan | Asia |
| | updated | P73 | BSH Byulsem Observatory, Busan |  South Korea | Asia |
| | updated | P72 | OWL-Net, Mt. Bohyun | South Korea | Asia |
| | updated | P71 | Miryang Arirang Astronomical Observatory | South Korea | Asia |
| | updated | P69 | ChungBuk National University Observatory | South Korea | Asia |
| | updated | P68 | Daejeon Dongsin Science Highschool Biryong Observatory | South Korea | Asia |
| | updated | P67 | Kangwon National University Observatory | South Korea | Asia |
| | updated | P66 | Deokheung Optical Astronomy Observatory | South Korea | Asia |
| | updated | P65 | OWL-Net, Daedeok | South Korea | Asia |
| | updated | P64 | GSHS Observatory, Suwon | South Korea | Asia |
| | updated | P63 | GSA Observatory, Gwangju | South Korea | Asia |
| | updated | P62 | Jeonbuk Science High School Observatory | South Korea | Asia |
| | updated | P61 | Jilin Observatory | China | Asia |
| | updated | P48 | ASTEP, Concordia Station |  Antarctica |  Antarctica |
| | updated | P41 | Merak, NAOC | China | Asia |
| | updated | P40 | Chinese Culture University, Taipei | Taiwan | Asia |
| | updated | P38 | Checheng Elementary School Observatory, Checheng | Taiwan | Asia |
| | updated | P37 | HuiWen High School Observatory, Taichung City | Taiwan | Asia |
| | updated | P36 | ULTRA Observatory,Suzhou | China | Asia |
| | updated | P35 | Cuteip Remote Observatory, Changhua | Taiwan | Asia |
| | updated | P34 | Lvye Observatory, Suzhou | China | Asia |
| | updated | P31 | Starlight Observatory, Tianhuangping | China | Asia |
| | updated | P30 | Jiangnantianchi Observatory, Anji | China | Asia |
| | updated | P25 | Kinmen Educational Remote Observatory, Jincheng | Taiwan | Asia |
| | updated | P22 | LW-3, NAOC-Xinglong | China | Asia |
| | updated | P18 | Birch Forest Observatory, LaBaGouMen | China | Asia |
| | updated | P13 | Baihuashan Observatory, Beijing | China | Asia |
| | updated | P07 | Space Surveillance Telescope, HEH Station | Australia | Oceania |
| | updated | O85 | LiShan Observatory, Lintong | China | Asia |
| | updated | O75 | ISON-Hureltogoot Observatory |  Mongolia | Asia |
| | updated | O72 | OWL-Net, Songino | Mongolia | Asia |
| | updated | O68 | LW-2, NAOC-Zhongwei | China | Asia |
| | updated | O57 | ROP KKN Observatory | Thailand | Asia |
| | updated | O56 | Jaichalad-Pailin Observatory, Nakhonratchasima | Thailand | Asia |
| | updated | O55 | Telok Kemang Observatory, Port Dickson |  Indonesia | Asia |
| | updated | O54 | TSky Observatory, Chonburi | Thailand | Asia |
| | updated | O53 | Pakchong, Nachonratchasima | Thailand | Asia |
| | updated | O52 | Astro820, Samut Prakan | Thailand | Asia |
| | updated | O51 | Akin Observatory, Rayong | Thailand | Asia |
| | updated | O50 | Hin Hua Observatory, Klang |  Malaysia | Asia |
| | updated | O49 | Purple Mountain Observatory, Yaoan Station | China | Asia |
| | updated | O48 | Purple Mountain Observatory, Yaoan (0.8-m) | China | Asia |
| | updated | O47 | Yunling Observatory, Yunnan | China | Asia |
| | updated | O46 | Daocheng Glacier Observatory | China | Asia |
| | updated | O45 | Yunnan-HK Observatory, Gaomeigu | China | Asia |
| | updated | O44 | Lijiang Station, Yunnan Observatories | China | Asia |
| | updated | O43 | Observatori Negara, Langkawi | Malaysia | Asia |
| | updated | O42 | Gaomeigu Gemini Observatory, LiJiang | China | Asia |
| | updated | O41 | Choakanan Observatory, Lampang | Thailand | Asia |
| | updated | O40 | Xingyuan, Daocheng | China | Asia |
| | updated | O39 | BOOTES-4, Lijiang | China | Asia |
| | updated | O38 | Purple Mountain Observatory, Dayao | China | Asia |
| | updated | O37 | TRT-NEO, Chiangmai | Thailand | Asia |
| | updated | O17 | Purple Mountain Observatory, Lenghu-1 | China | Asia |
| | updated | O02 | Galaxy Tibet YBJ Observatory,Yangbajing | China | Asia |
| | updated | N94 | Altay Astronomical Observatory | China | Asia |
| | updated | N89 | Xingming Observatory #2, Nanshan | China | Asia |
| | updated | N88 | Xingming Observatory #3, Nanshan | China | Asia |
| | updated | N87 | Nanshan Station, Xinjiang Observatory | China | Asia |
| | updated | N86 | Xingming Observatory-KATS, Nanshan | China | Asia |
| | updated | N85 | Megrez-NAOC | China | Asia |
| | updated | N83 | LW-1, NAOC-Korla | China | Asia |
| | updated | N82 | Multa Observatory | Russia | Europe |
| | updated | N57 | YLT, NAOC | China | Asia |
| | updated | N56 | Jiama'erdeng Tianwentai JIST project, Ali, Tibet | China | Asia |
| | updated | N55 | Corona Borealis Observatory, Ngari, Tibet | China | Asia |
| | updated | N54 | Purple Mountain Observatory, Jiama'erdeng Station | China | Asia |
| | updated | N53 | International Liquid Mirror Telescope |  India | Asia |
| | updated | N51 | GROWTH India Telescope, IAO, Hanle | India | Asia |
| | updated | N50 | Himalayan Chandra Telescope, IAO, Hanle | India | Asia |
| | updated | N44 | Shache Station, Langan Village | China | Asia |
| | updated | N43 | Plateau Observatory for Dome A, Kunlun Station | Antarctica | Antarctica |
| | updated | N42 | Tien-Shan Astronomical Observatory |  Kazakhstan | Asia |
| | updated | N31 | Eden Astronomical Observatory, Lahore |  Pakistan | Asia |
| | updated | N30 | Zeds Astronomical Observatory, Lahore | Pakistan | Asia |
| | updated | N27 | Omsk-Yogik Observatory | Russia | Europe |
| | updated | M90 | Chervishevo | Russia | Europe |
| | updated | M77 | Mezmay Comet Search Center | Russia | Europe |
| | updated | M75 | Online observatory, Peschany | Russia | Europe |
| | updated | M73 | Eden Emirates Observatory, Abu Dhabi |  United Arab Emirates | Asia |
| | updated | M72 | AUTH Astronomical Station, Cyprus |  Cyprus | Europe |
| | updated | M71 | AUTH Astronomical Station, Noesis |  Greece | Europe |
| | updated | M70 | BOOTES-6, Bloemfontein | South Africa | Africa |
| | updated | M69 | Emirates Astronomical Observatory L.L.C | United Arab Emirates | Asia |
| | updated | M68 | School 1502 Rooftop Observatory, Moscow | Russia | Europe |
| | updated | M67 | Kolobov Observatory, Magnitogorsk | Russia | Europe |
| | updated | M66 | SNX-NET, Prodromos | Cyprus | Europe |
| | updated | M65 | Mustola Observatory, Lappeenranta |  Finland | Europe |
| | updated | M64 | Holbrook, Heathfield | United Kingdom | Europe |
| | updated | M63 | RPF Observatory, Gagliano del Capo | Italy | Europe |
| | updated | M62 | Lajoux Observatory | Switzerland | Europe |
| | updated | M61 | Observatory Moers Kapellen | Germany | Europe |
| | updated | M60 | Virgil Observatory, Loiano | Italy | Europe |
| | updated | M59 | Rondchamp Observatory, Reconvilier | Switzerland | Europe |
| | updated | M58 | VdS Remote Observatory, Hakos | Namibia | Africa |
| | updated | M57 | Wide-field Mufara Telescope, Isnello | Italy | Europe |
| | updated | M56 | Varedo | Italy | Europe |
| | updated | M55 | Luckystar Observatory, Vazec |  Slovakia | Europe |
| | updated | M54 | Observatoire Albireo de Biot | France | Europe |
| | updated | M53 | CAS Observatory, Preetz | Germany | Europe |
| | updated | M52 | Sassari | Italy | Europe |
| | updated | M51 | Robert Mayer Sternwarte, Heilbronn | Germany | Europe |
| | updated | M50 | Virtual Telescope Project, Manciano | Italy | Europe |
| | updated | M49 | IAS Remote Observatory, Hakos | Namibia | Africa |
| | updated | M47 | Sharjah Observatory, Sharjah | United Arab Emirates | Asia |
| | updated | M46 | Althuraya Astronomy Center, Dubai | United Arab Emirates | Asia |
| | updated | M45 | Starhopper Observatory, Sfantu Gheorghe | Romania | Europe |
| | updated | M44 | Al-Khatim Observatory, Abu Dhabi | United Arab Emirates | Asia |
| | updated | M43 | Al Sadeem Observatory, Abu Dhabi | United Arab Emirates | Asia |
| | updated | M42 | Emirates Observatory, Al Rahba | United Arab Emirates | Asia |
| | updated | M41 | Jeddah | Saudi Arabia | Asia |
| | updated | M40 | OSTS-NRIAG, Kottamia |  Egypt | Africa |
| | updated | M39 | AUTH Observatory, Thessaloniki | Greece | Europe |
| | updated | M38 | Harsona Observatory, Nyiregyhaza | Hungary | Europe |
| | updated | M37 | Astronomsko drustvo Nanos, Ajdovscina |  Slovenia | Europe |
| | updated | M36 | Opicina, Trieste | Italy | Europe |
| | updated | M35 | PS Observatory, Parjol | Romania | Europe |
| | updated | M34 | AGO70, Astronomical Observatory, Modra | Slovakia | Europe |
| | updated | M33 | OWL-Net, Mitzpe Ramon |  Israel | Asia |
| | updated | M32 | Sunny Transcarpathian, Mukachevo | Ukraine | Europe |
| | updated | M31 | Ursa Havaintokeskus, Artjarvi | Finland | Europe |
| | updated | M30 | Zeta Aquarii Observatory, Brasov | Romania | Europe |
| | updated | M29 | O.M.Ni.A. Observatory, Cesena | Italy | Europe |
| | updated | M28 | Lesedi Telescope-SAAO Observatory, Sutherland | South Africa | Africa |
| | updated | M27 | Elijah Observatory, Lajatico | Italy | Europe |
| | updated | M25 | Einarin Observatory, Tampere | Finland | Europe |
| | updated | M24 | La Macchina del Tempo, Ardore Marina | Italy | Europe |
| | updated | M23 | ELTE Gothard Observatory, Szombathely | Hungary | Europe |
| | updated | M20 | Polse di Cougnes Observatory, Zuglio | Italy | Europe |
| | updated | M19 | Osservatorio Explorer, Pula |  Croatia | Europe |
| | updated | M17 | SN1572 Tycho Observatory, La Spezia | Italy | Europe |
| | updated | M16 | Osservatorio Il Coreggiolo | Italy | Europe |
| | updated | M15 | Virgo Oservatory, Seveso | Italy | Europe |
| | updated | M14 | Schiaparelli Gallarate Station | Italy | Europe |
| | updated | M13 | Lucie Berger Observatory, Strasbourg | France | Europe |
| | updated | M12 | Puschino | Russia | Europe |
| | updated | M11 | Novaastro Observatory, Banon | France | Europe |
| | updated | M10 | CPF Observatory, St Vallier de Thiey | France | Europe |
| | updated | M09 | Observatory Gromme - Oudsbergen | Belgium | Europe |
| | updated | M08 | CHON, Stekene | Belgium | Europe |
| | updated | M07 | Siek | Germany | Europe |
| | updated | M06 | PeLe's Observatory, Ager | Spain | Europe |
| | updated | M05 | Observatoire de la Nine, Canens | France | Europe |
| | updated | M04 | Pujalt Observatory, Barcelona | Spain | Europe |
| | updated | M03 | Badalona Boreal | Spain | Europe |
| | updated | M02 | Astropriorat Observatory | Spain | Europe |
| | updated | M01 | Weizmann Astrophysical Observatory | Israel | Asia |
| | updated | M00 | Viestikallio, Artjarvi | Finland | Europe |
| | updated | L99 | Novosilky | Ukraine | Europe |
| | updated | L97 | Castle Fields Observatory, Calne | United Kingdom | Europe |
| | updated | L96 | ISON-Byurakan Observatory |  Armenia | Europe |
| | updated | L95 | Observatorio Astronomico de Cartagena | Spain | Europe |
| | updated | L94 | Observatorio MOMA, Oviedo | Spain | Europe |
| | updated | L93 | Garraf Observatory, Sant Pere de Ribes | Spain | Europe |
| | updated | L92 | San Costantino | Italy | Europe |
| | updated | L91 | Antares MTM Observatory, S. Donato | Italy | Europe |
| | updated | L90 | ABObservatory, Rosarno | Italy | Europe |
| | updated | L89 | PAO, Prato | Italy | Europe |
| | updated | L88 | Stazione Astronomica Le Pleiadi, Pantane | Italy | Europe |
| | updated | L86 | Giordano Bruno Observatory, Brallo | Italy | Europe |
| | updated | L85 | BiAnto Observatory, Lauria | Italy | Europe |
| | updated | L84 | Kairos Observatory, Letnik | Russia | Europe |
| | updated | L83 | UJA Observatory, Jaen | Spain | Europe |
| | updated | L82 | Crow Observatory, Portalegre | Portugal | Europe |
| | updated | L81 | Skygems Namibia Remote Observatory | Namibia | Africa |
| | updated | L79 | BOSZA Observatory, Szalanta | Hungary | Europe |
| | updated | L78 | San Marco Observatory, Salerno | Italy | Europe |
| | updated | L77 | RDSS, Kovalevka | Russia | Europe |
| | updated | L76 | Nomad Observatory, Kochevanchik | Russia | Europe |
| | updated | L75 | Tartu Observatory of Tartu University |  Estonia | Europe |
| | updated | L74 | AstroColauri, Naples | Italy | Europe |
| | updated | L73 | Beato Ermanno Observatory, Impruneta | Italy | Europe |
| | updated | L72 | Melezhy Astrophoto Observatory | Russia | Europe |
| | updated | L71 | Vedrus Observatory, Azovskaya | Russia | Europe |
| | updated | L70 | Zvjezdarnica Graberje, Zagreb | Croatia | Europe |
| | updated | L69 | LaCaille Observatory, Pretoria | South Africa | Africa |
| | updated | L68 | PESCOPE, Port Elizabeth | South Africa | Africa |
| | updated | L67 | Cherkizovo Observatory, Moscow Oblast | Russia | Europe |
| | updated | L66 | MeerLICHT-1, Sutherland | South Africa | Africa |
| | updated | L65 | Bredenkamp Observatory, Bremen | Germany | Europe |
| | updated | L64 | Martesana Observatory, Cassina de Pecchi | Italy | Europe |
| | updated | L63 | HOB Observatory, Capraia Fiorentina | Italy | Europe |
| | updated | L62 | Hypatia Observatory, Rimini | Italy | Europe |
| | updated | L61 | MONET South, Sutherland | South Africa | Africa |
| | updated | L60 | Popovich Observatory, Ivanivka | Ukraine | Europe |
| | updated | L59 | Compustar Observatory, Rouen | France | Europe |
| | updated | L58 | Heavenly Owl observatory | Ukraine | Europe |
| | updated | L57 | Bacau Observatory, Bacau | Romania | Europe |
| | updated | L56 | Sternwarte Limburg, Limburg | Germany | Europe |
| | updated | L55 | Sura Gardens, Dnipro | Ukraine | Europe |
| | updated | L54 | Berthelot Observatory, Hunedoara | Romania | Europe |
| | updated | L53 | Aldo Agnetti Observatory, Como | Italy | Europe |
| | updated | L52 | MASTER-Tavrida | Ukraine | Europe |
| | updated | L51 | MARGO, Nauchnyi | Ukraine | Europe |
| | updated | L50 | GenShtab Observatory, Nauchnyi | Ukraine | Europe |
| | updated | L49 | VEGA-Sternwarte, Dorfleiten | Austria | Europe |
| | updated | L48 | CNVL Observatory, Baia Mare | Romania | Europe |
| | updated | L47 | Osservatorio Astronomico, Piobbico | Italy | Europe |
| | updated | L46 | Observatorio Majadahonda | Spain | Europe |
| | updated | L45 | ObsCT, Catania | Italy | Europe |
| | updated | L44 | AstroVal, Le Chenit | Switzerland | Europe |
| | updated | L43 | Ager, Leida | Spain | Europe |
| | updated | L42 | Observatory-Astrocamp Manciano | Italy | Europe |
| | updated | L41 | Ponte Uso | Italy | Europe |
| | updated | L40 | Sternwarte Saarbruecken Rastpfuhl | Germany | Europe |
| | updated | L39 | Osservatorio Spica, Signa | Italy | Europe |
| | updated | L38 | Gartensternwarte Schafsweide, Sehlde | Germany | Europe |
| | updated | L37 | Observatorio Alnitak, El Puerto de Santa María | Spain | Europe |
| | updated | L36 | Ondřejov--BlueEye600 Telescope | Czechia | Europe |
| | updated | L35 | DreamSky Observatory, Lisnyky | Ukraine | Europe |
| | updated | L33 | Ananiv | Ukraine | Europe |
| | updated | L32 | Korea Microlensing Telescope Network-SAAO | South Africa | Africa |
| | updated | L31 | RaSo Observatory, Chemnitz | Germany | Europe |
| | updated | L30 | Lohbach Observatory, Benninghofen | Germany | Europe |
| | updated | L29 | Drebach-South Observatory, Windhoek | Namibia | Africa |
| | updated | L28 | ISON-Castelgrande Observatory | Italy | Europe |
| | updated | L27 | 29PREMOTE Observatory, Dauban | France | Europe |
| | updated | L26 | Sanderphil Urban Observatory, Civitavecchia | Italy | Europe |
| | updated | L25 | Smolęcin | Poland | Europe |
| | updated | L24 | Gauteng | South Africa | Africa |
| | updated | L23 | Schela Observatory | Romania | Europe |
| | updated | L22 | Bârlad Observatory | Romania | Europe |
| | updated | L21 | Ostrov Observatory, Constanța | Romania | Europe |
| | updated | L20 | AG_Sarajevo Observatory, Sarajevo |  Bosnia and Herzegovina | Europe |
| | updated | L19 | Osservatorio Felsina AAB, Montepastore | Italy | Europe |
| | updated | L18 | QOS Observatory, Zalistsi | Ukraine | Europe |
| | updated | L17 | Observatori Astronòmic Albanyà | Spain | Europe |
| | updated | L16 | Stardreams Observatory, Vǎlenii de Munte | Romania | Europe |
| | updated | L15 | St. George Observatory, Ploiesti | Romania | Europe |
| | updated | L14 | Planetarium de Vaulx-en-Velin Observatory | France | Europe |
| | updated | L13 | Stardust Observatory, Brasov | Romania | Europe |
| | updated | L12 | Koksijde | Belgium | Europe |
| | updated | L11 | Sandvreten Observatory |  Sweden | Europe |
| | updated | L10 | Kryoneri Observatory | Greece | Europe |
| | updated | L08 | Metsähovi Optical Telescope, Metsahovi | Finland | Europe |
| | updated | L07 | Osservatorio Salvatore di Giacomo, Agerola | Italy | Europe |
| | updated | L06 | Sormano 2 Observatory, Bellagio Via Lattea | Italy | Europe |
| | updated | L05 | Dridri Observatory, Franciacorta | Italy | Europe |
| | updated | L04 | ROASTERR-1 Observatory, Cluj-Napoca | Romania | Europe |
| | updated | L03 | SGT Observatory, Gaflenz | Austria | Europe |
| | updated | L02 | NOAK Observatory, Stavraki | Greece | Europe |
| | updated | L01 | Višnjan Observatory, Tican | Croatia | Europe |
| | updated | L00 | East Rome Observatory, Rome | Italy | Europe |
| | updated | K99 | Derenivka Observatory | Ukraine | Europe |
| | updated | K98 | 6ROADS Observatory 1, Wojnowko | Poland | Europe |
| | updated | K97 | Freconrupt | France | Europe |
| | updated | K96 | Savelli Observatory | Italy | Europe |
| | updated | K95 | MASTER-SAAO Observatory, Sutherland | South Africa | Africa |
| | updated | K94 | Sutherland | South Africa | Africa |
| | updated | K90 | Sopot Astronomical Observatory |  Republic of Serbia | Europe |
| | updated | K89 | Digital Stargate Observatory, Manciano | Italy | Europe |
| | updated | K87 | Dettelbach Vineyard Observatory | Germany | Europe |
| | updated | K86 | Brescia | Italy | Europe |
| | updated | K85 | Kelmis | Germany | Europe |
| | updated | K84 | Felliscopio Observatory, Fellicarolo | Italy | Europe |
| | updated | K82 | Alphard Observatory, Ostuni | Italy | Europe |
| | updated | K81 | P.M.P.H.R. Deep Sky Observatory, Atina | Italy | Europe |
| | updated | K80 | Platanus Observatory, Lusowko | Poland | Europe |
| | updated | K79 | Erfurt | Germany | Europe |
| | updated | K78 | iota Scorpii Observatory, La Spezia | Italy | Europe |
| | updated | K77 | EHB01 Observatory, Engelhardsberg | Germany | Europe |
| | updated | K76 | BSA Osservatorio, Savigliano | Italy | Europe |
| | updated | K75 | Astro Dolomites, Santa Cristina Valgardena | Italy | Europe |
| | updated | K74 | Muensterschwarzach Observatory, Schwarzach | Germany | Europe |
| | updated | K73 | Gravina in Puglia | Italy | Europe |
| | updated | K72 | Celico | Italy | Europe |
| | updated | K71 | Neutraubling | Germany | Europe |
| | updated | K70 | Rosarno | Italy | Europe |
| | updated | K69 | Riethnordhausen | Germany | Europe |
| | updated | K68 | Osservatorio Elianto, Pontecagnano | Italy | Europe |
| | updated | K67 | Bayerwald Sternwarte, Spiegelau | Germany | Europe |
| | updated | K66 | Osservatorio Astronomico di Anzio | Italy | Europe |
| | updated | K65 | Cesena | Italy | Europe |
| | updated | K64 | Waizenreuth | Germany | Europe |
| | updated | K63 | G. Pascoli Observatory, Castelvecchio Pascoli (before June 2023) | Italy | Europe |
| | updated | K62 | Teplice Observatory | Czechia | Europe |
| | updated | K61 | Rokycany Observatory | Czechia | Europe |
| | updated | K60 | Lindby | Sweden | Europe |
| | updated | K59 | Elsterland Observatory, Jeßnigk | Germany | Europe |
| | updated | K58 | Gevelsberg | Germany | Europe |
| | updated | K57 | Fiore Observatory | Italy | Europe |
| | updated | K56 | Osservatorio di Foligno | Italy | Europe |
| | updated | K55 | Wallhausen | Germany | Europe |
| | updated | K54 | Astronomical Observatory University of Siena | Italy | Europe |
| | updated | K53 | Marina di Cerveteri | Italy | Europe |
| | updated | K52 | Gwen Observatory, San Francesco al Campo | Italy | Europe |
| | updated | K51 | Osservatorio del Celado, Castello Tesino | Italy | Europe |
| | updated | K50 | Sternwarte Feuerstein, Ebermannstadt | Germany | Europe |
| | updated | K49 | Carpione Observatory, Spedaletto | Italy | Europe |
| | updated | K48 | Keyhole Observatory, San Giorgio di Mantova | Italy | Europe |
| | updated | K47 | BSCR Observatory, Santa Maria a Monte | Italy | Europe |
| | updated | K46 | Bamberg | Germany | Europe |
| | updated | K45 | Osservatorio Astronomico di Punta Falcone, Piombino | Italy | Europe |
| | updated | K44 | Marienburg Sternwarte, Hildesheim | Germany | Europe |
| | updated | K43 | OVM Observatory, Chiesa in Valmalencom | Italy | Europe |
| | updated | K42 | Knielingen | Germany | Europe |
| | updated | K41 | Vegaquattro Astronomical Observatory, Novi Ligure | Italy | Europe |
| | updated | K40 | Altdorf | Germany | Europe |
| | updated | K39 | Serra Observatory | Italy | Europe |
| | updated | K38 | M57 Observatory, Saltrio | Switzerland | Europe |
| | updated | K37 | Cereseto | Italy | Europe |
| | updated | K36 | Ebersheim | Germany | Europe |
| | updated | K35 | Huenfelden | Germany | Europe |
| | updated | K34 | Turin | Italy | Europe |
| | updated | K33 | San Defendente | Italy | Europe |
| | updated | K32 | Maritime Alps Observatory, Cuneo | Italy | Europe |
| | updated | K31 | Osservatorio Astronomico di Bellino | Italy | Europe |
| | updated | K30 | Lüscherz | Switzerland | Europe |
| | updated | K29 | Stellarium Gornergrat | Switzerland | Europe |
| | updated | K28 | Sternwarte Eckdorf | Germany | Europe |
| | updated | K27 | St-Martin Observatory, Amathay Vésigneux | France | Europe |
| | updated | K26 | Contern |  Luxembourg | Europe |
| | updated | K25 | Observatoire Haute Provence Sud, Saint-Michel-l'Observatoire | France | Europe |
| | updated | K24 | Schmelz | Germany | Europe |
| | updated | K23 | Gorgonzola | Italy | Europe |
| | updated | K22 | Les Barres Observatory, Lamanon | France | Europe |
| | updated | K21 | Saint-Saturnin-lès-Avignon | France | Europe |
| | updated | K20 | Danastro Observatory, Romerée | Belgium | Europe |
| | updated | K19 | PASTIS Observatory, Banon | France | Europe |
| | updated | K18 | Hésingue | France | Europe |
| | updated | K17 | Observatoire des Valentines, Bex | Switzerland | Europe |
| | updated | K16 | Reilhanette | France | Europe |
| | updated | K15 | Murviel-lès-Montpellier | France | Europe |
| | updated | K14 | Observatorio de Sencelles | Spain | Europe |
| | updated | K13 | Albireo Observatory, Inca | Spain | Europe |
| | updated | K12 | Obsevatorio Astronomico de Marratxi | Spain | Europe |
| | updated | K11 | Observatoire de Pommier | France | Europe |
| | updated | K10 | Micro Palomar, Reilhanette | France | Europe |
| | updated | K09 | Llica d'Amunt | Spain | Europe |
| | updated | K08 | Observatorio Lledoner, Vallirana | Spain | Europe |
| | updated | K07 | Observatoire de Gravelle, St. Maurice | France | Europe |
| | updated | K06 | Observatorio Montagut, Can Sola | Spain | Europe |
| | updated | K05 | Eden Observatory, Banham | United Kingdom | Europe |
| | updated | K04 | Lo Fossil Observatory, Ager | Spain | Europe |
| | updated | K03 | Observatori AAS Montsec | Spain | Europe |
| | updated | K02 | Eastwood Observatory, Leigh on Sea | United Kingdom | Europe |
| | updated | K01 | Astrognosis Observatory, Bradwell | United Kingdom | Europe |
| | updated | K00 | Hanau | Germany | Europe |
| | updated | J99 | Burjassot | Spain | Europe |
| | updated | J98 | Observatorio Manises | Spain | Europe |
| | updated | J97 | Alginet | Spain | Europe |
| | updated | J96 | Observatorio de Cantabria | Spain | Europe |
| | updated | J94 | Abbeydale | United Kingdom | Europe |
| | updated | J93 | Mount Tuffley Observatory, Gloucester | United Kingdom | Europe |
| | updated | J92 | Beaconsfield | United Kingdom | Europe |
| | updated | J91 | Alt emporda Observatory, Figueres | Spain | Europe |
| | updated | J90 | West Challow | United Kingdom | Europe |
| | updated | J89 | Tres Cantos Observatory | Spain | Europe |
| | updated | J88 | Strawberry Field Obs., Southampton | United Kingdom | Europe |
| | updated | J87 | La Cañada | Spain | Europe |
| | updated | J86 | Sierra Nevada Observatory | Spain | Europe |
| | updated | J85 | Makerstoun | United Kingdom | Europe |
| | updated | J84 | South Observatory, Clanfield | United Kingdom | Europe |
| | updated | J83 | Olive Farm Observatory, Hoghton | United Kingdom | Europe |
| | updated | J82 | Leyland | United Kingdom | Europe |
| | updated | J81 | Guirguillano | Spain | Europe |
| | updated | J80 | Sainte Helene | France | Europe |
| | updated | J79 | Observatorio Calarreona, Aguilas | Spain | Europe |
| | updated | J78 | Murcia | Spain | Europe |
| | updated | J77 | Golden Hill Observatory, Stourton Caundle | United Kingdom | Europe |
| | updated | J76 | La Murta | Spain | Europe |
| | updated | J74 | Bilbao | Spain | Europe |
| | updated | J73 | Quainton | United Kingdom | Europe |
| | updated | J72 | Valle del Sol | Spain | Europe |
| | updated | J71 | Willow Bank Observatory | United Kingdom | Europe |
| | updated | J70 | Obs. Astronómico Vega del Thader, El Palmar | Spain | Europe |
| | updated | J68 | Tweenhills Observatory, Hartpury | United Kingdom | Europe |
| | updated | J67 | Observatorio La Puebla de Vallbona | Spain | Europe |
| | updated | J66 | Kinver | United Kingdom | Europe |
| | updated | J65 | Celbridge | Ireland | Europe |
| | updated | J64 | La Mata | Spain | Europe |
| | updated | J63 | San Gabriel | Spain | Europe |
| | updated | J62 | Kingsland Observatory, Boyle | Ireland | Europe |
| | updated | J61 | Brownstown Observatory, Kilcloon | Ireland | Europe |
| | updated | J60 | Tocororo Observatory, Arquillinos | Spain | Europe |
| | updated | J59 | Observatorio Linceo, Santander | Spain | Europe |
| | updated | J58 | Brynllefrith Observatory, Llantwit Fardre | United Kingdom | Europe |
| | updated | J56 | Observatorio La Avejerilla | Spain | Europe |
| | updated | J55 | Los Altos de Arguineguin Observatory | Spain | Europe |
| | updated | J54 | Bradford Robotic Telescope | Spain | Europe |
| | updated | J53 | Posadas | Spain | Europe |
| | updated | J52 | Observatorio Pinsoro | Spain | Europe |
| | updated | J51 | Observatorio Atlante, Tenerife | Spain | Europe |
| | updated | J50 | La Palma-NEON | Spain | Europe |
| | updated | J49 | Santa Pola | Spain | Europe |
| | updated | J48 | Observatory Mackay, La Laguna | Spain | Europe |
| | updated | J47 | Observatorio Nazaret | Spain | Europe |
| | updated | J46 | Observatorio Montana Blanca, Tias | Spain | Europe |
| | updated | J45 | Observatorio Montana Cabreja, Vega de San Mateo | Spain | Europe |
| | updated | J44 | Observatorio Iturrieta, Alava | Spain | Europe |
| | updated | J43 | Oukaïmeden Observatory, Marrakech | Morocco | Africa |
| | updated | J42 | Puzol | Spain | Europe |
| | updated | J41 | Raheny | Ireland | Europe |
| | updated | J40 | Málaga | Spain | Europe |
| | updated | J39 | Ingenio | Spain | Europe |
| | updated | J38 | Observatorio La Vara, Valdés | Spain | Europe |
| | updated | J37 | Huelva | Spain | Europe |
| | updated | J36 | Observatorio DiezALaOnce, Illana | Spain | Europe |
| | updated | J35 | Tucci Observatory, Martos | Spain | Europe |
| | updated | J34 | La Fecha | Spain | Europe |
| | updated | J33 | University of Hertfordshire Obs., Bayfordbury | United Kingdom | Europe |
| | updated | J32 | Aljaraque | Spain | Europe |
| | updated | J31 | La Axarquia | Spain | Europe |
| | updated | J30 | Observatorio Ventilla, Madrid | Spain | Europe |
| | updated | J29 | Observatorio Nira, Tias | Spain | Europe |
| | updated | J28 | Jaen | Spain | Europe |
| | updated | J27 | El Guijo Observatory | Spain | Europe |
| | updated | J26 | The Spaceguard Centre, Knighton | United Kingdom | Europe |
| | updated | J25 | Penamayor Observatory, Nava | Spain | Europe |
| | updated | J24 | Observatorio Altamira | Spain | Europe |
| | updated | J23 | Centre Astronomique de La Couyere | France | Europe |
| | updated | J22 | Tacande Observatory, La Palma | Spain | Europe |
| | updated | J21 | El Boalo | Spain | Europe |
| | updated | J20 | Aravaca | Spain | Europe |
| | updated | J19 | El Maestrat | Spain | Europe |
| | updated | J18 | Dingle Observatory, Montgomery | United Kingdom | Europe |
| | updated | J17 | Ragdon | United Kingdom | Europe |
| | updated | J16 | An Carraig Observatory, Loughinisland | United Kingdom | Europe |
| | updated | J15 | Muxagata | Portugal | Europe |
| | updated | J14 | La Corte | Spain | Europe |
| | updated | J13 | La Palma-Liverpool Telescope | Spain | Europe |
| | updated | J12 | Caraquiz | Spain | Europe |
| | updated | J11 | Matosinhos | Portugal | Europe |
| | updated | J10 | Alicante | Spain | Europe |
| | updated | J09 | Balbriggan | Ireland | Europe |
| | updated | J08 | Observatorio Zonalunar, Puzol | Spain | Europe |
| | updated | J07 | Observatorio SPAG Monfragüe, Palazuelo-Empalme | Spain | Europe |
| | updated | J06 | Trent Astronomical Observatory, Clifton | United Kingdom | Europe |
| | updated | J05 | Bootes Observatory, Boecillo | Spain | Europe |
| | updated | J03 | Gothers Observatory, St. Dennis | United Kingdom | Europe |
| | updated | J02 | Busot | Spain | Europe |
| | updated | J01 | Observatorio Cielo Profundo, Leon | Spain | Europe |
| | updated | J00 | Segorbe | Spain | Europe |
| | updated | I99 | Observatorio Blanquita, Vaciamadrid | Spain | Europe |
| | updated | I98 | El Berrueco | Spain | Europe |
| | updated | I97 | Penn Heights Observatory, Rickmansworth | United Kingdom | Europe |
| | updated | I96 | Hyperion Observatory, Urbanizacion Caraquiz | Spain | Europe |
| | updated | I95 | Observatorio de la Hita | Spain | Europe |
| | updated | I94 | Observatorio Rho Ophiocus, Las Rozas de Madrid | Spain | Europe |
| | updated | I93 | St Pardon de Conques | France | Europe |
| | updated | I92 | Astreo Observatory, Mairena del Aljarafe | Spain | Europe |
| | updated | I91 | Retamar | Spain | Europe |
| | updated | I90 | Blackrock Castle Observatory | Ireland | Europe |
| | updated | I89 | iTelescope Observatory, Nerpio | Spain | Europe |
| | updated | I88 | Fuensanta de Martos | Spain | Europe |
| | updated | I87 | Astroshot Observatory, Monasterevin | Ireland | Europe |
| | updated | I86 | Observatorio UCM, Madrid | Spain | Europe |
| | updated | I85 | Las Negras | Spain | Europe |
| | updated | I84 | Cerro del Viento, Badajoz | Spain | Europe |
| | updated | I83 | Cherryvalley Observatory, Rathmolyon | Ireland | Europe |
| | updated | I82 | Güímar | Spain | Europe |
| | updated | I81 | Tarbatness Observatory, Portmahomack | United Kingdom | Europe |
| | updated | I80 | Rose Cottage Observatory, Keighley | United Kingdom | Europe |
| | updated | I79 | AstroCamp, Nerpio | Spain | Europe |
| | updated | I78 | Observatorio Principia, Málaga | Spain | Europe |
| | updated | I77 | CEAMIG-REA Observatory, Belo Horizonte | Brazil | South America |
| | updated | I76 | Observatorio Tesla, Valdemorillo | Spain | Europe |
| | updated | I75 | Observatorio Los Caracoles, Castello | Spain | Europe |
| | updated | I74 | Baxter Garden Observatory, Salisbury | United Kingdom | Europe |
| | updated | I73 | Salvia Observatory, Saulges | France | Europe |
| | updated | I72 | Observatorio Carpe-Noctem, Madrid | Spain | Europe |
| | updated | I71 | Observatorio Los Milanos, Caceres | Spain | Europe |
| | updated | I70 | Gedney House Observatory, Kirton | United Kingdom | Europe |
| | updated | I69 | AGM Observatory, Marrakech | Morocco | Africa |
| | updated | I68 | Pousada dos Anoes Observatory | Brazil | South America |
| | updated | I67 | Hartley Wintney | United Kingdom | Europe |
| | updated | I66 | Taurus Australis Observatory, Brasilia | Brazil | South America |
| | updated | I65 | Yunquera | Spain | Europe |
| | updated | I64 | Maidenhead | United Kingdom | Europe |
| | updated | I63 | Cygnus Observatory, New Airesford | United Kingdom | Europe |
| | updated | I62 | Observatorio Helios Ontígola | Spain | Europe |
| | updated | I61 | Ourense | Spain | Europe |
| | updated | I60 | Guernanderf | France | Europe |
| | updated | I59 | Observatorio Fuente de los matos, Muriedas | Spain | Europe |
| | updated | I58 | Bétera | Spain | Europe |
| | updated | I57 | Elche | Spain | Europe |
| | updated | I56 | Observatorio Astronómico John Beckman, Almería | Spain | Europe |
| | updated | I55 | Valencia | Spain | Europe |
| | updated | I54 | Observatorio Las Vaguadas, Badajoz | Spain | Europe |
| | updated | I53 | Armilla | Spain | Europe |
| | updated | I51 | Clinton | United States of America | North America |
| | updated | I50 | P2 Observatory, Mayhill | United States of America | North America |
| | updated | I49 | Sunflower Observatory, Santa Fe | United States of America | North America |
| | updated | I48 | Observatorio El Catalejo, Santa Rosa | Argentina | South America |
| | updated | I47 | Pierre Auger Observatory, Malargüe | Argentina | South America |
| | updated | I46 | The Cottage Observatory, Altoona | United States of America | North America |
| | updated | I45 | W Crusis Astronomical Observatory, San Justo | Argentina | South America |
| | updated | I44 | Northwest Florida State College, Niceville | United States of America | North America |
| | updated | I43 | Tarleton State University Obs., Stephenville | United States of America | North America |
| | updated | I42 | Westport Observatory | United States of America | North America |
| | updated | I40 | La Silla--TRAPPIST | Chile | South America |
| | updated | I39 | Observatorio Cruz del Sur, San Justo | Argentina | South America |
| | updated | I38 | Observatorio Los Algarrobos, Salto | Uruguay | South America |
| | updated | I37 | Astrodomi Observatory, Santa Rita | Argentina | South America |
| | updated | I36 | Observatorio Los Campitos, Cañuelas | Argentina | South America |
| | updated | I35 | Sidoli | Argentina | South America |
| | updated | I34 | Morgantown | United States of America | North America |
| | updated | I32 | Observatorio Beta Orionis, Rosario | Argentina | South America |
| | updated | I31 | Observatorio Astronomico del Colegio Cristo Rey | Argentina | South America |
| | updated | I30 | Observatorio Geminis Austral | Argentina | South America |
| | updated | I29 | Middlesex School Observatory, Concord | United States of America | North America |
| | updated | I28 | Starhoo Observatory, Lakeville | United States of America | North America |
| | updated | I27 | Barred Owl Observatory, Carp | Canada | North America |
| | updated | I26 | Observatorio Kappa Crucis, Córdoba | Argentina | South America |
| | updated | I25 | ECCCO Observatory, Bosque Alegre | Argentina | South America |
| | updated | I24 | Lake of the Woods Observatory, Locust Grove | United States of America | North America |
| | updated | I23 | Frosty Cold Observatory, Mash Harbor | United States of America | North America |
| | updated | I22 | Abbey Ridge Observatory, Stillwater Lake | Canada | North America |
| | updated | I21 | El Condor Observatory, Córdoba | Argentina | South America |
| | updated | I20 | Observatorio Astronomico Salvador, Río Cuarto | Argentina | South America |
| | updated | I19 | Observatorio El Gato Gris, Tanti | Argentina | South America |
| | updated | I18 | Fan Mountain Observatory, Covesville | United States of America | North America |
| | updated | I17 | Thomas G. Cupillari Observatory, Fleetville | United States of America | North America |
| | updated | I16 | IAA-AI Atacama, San Pedro de Atacama | Chile | South America |
| | updated | I15 | Wishing Star Observatory, Barrington | United States of America | North America |
| | updated | I14 | Tigh Speuran Observatory, Framingham | United States of America | North America |
| | updated | I13 | Burleith Observatory, Washington D.C. | United States of America | North America |
| | updated | I12 | Phillips Academy Observatory, Andover | United States of America | North America |
| | updated | I10 | CAO, San Pedro de Atacama (until 2012) | Chile | South America |
| | updated | I09 | Cerro Armazones | Chile | South America |
| | updated | I08 | Alianza S4, Cerro Burek | Argentina | South America |
| | updated | I07 | Conlin Hill Observatory, Oxford | United States of America | North America |
| | updated | I06 | Werner Schmidt Obs., Dennis-Yarmouth Regional HS | United States of America | North America |
| | updated | I05 | Las Campanas Observatory-TIE | Chile | South America |
| | updated | I04 | Mamalluca Observatory | Chile | South America |
| | updated | I03 | European Southern Obs., La Silla--ASTROVIRTEL | Chile | South America |
| | updated | I02 | Cerro Tololo Observatory, La Serena--2MASS | Chile | South America |
| | updated | I01 | Clay Center Observatory, Brookline | United States of America | North America |
| | updated | I00 | Carbuncle Hill Observatory, Coventry | United States of America | North America |
| | updated | H99 | Sunhill Observatory, Newton | United States of America | North America |
| | updated | H98 | Dark Rosanne Obs., Middlefield | United States of America | North America |
| | updated | H97 | Talcott Mountain Science Center, Avon | United States of America | North America |
| | updated | H96 | Observatoire des Pléïades, Mandeville | Canada | North America |
| | updated | H95 | NJIT Observatory, Newark | United States of America | North America |
| | updated | H94 | Cedar Knolls | United States of America | North America |
| | updated | H93 | Berkeley Heights | United States of America | North America |
| | updated | H92 | Arcturus Observatory | United States of America | North America |
| | updated | H91 | Reynolds Observatory, Potsdam | United States of America | North America |
| | updated | H90 | Ottawa | Canada | North America |
| | updated | H89 | Galaxy Blues Observatory, Gatineau | Canada | North America |
| | updated | H88 | Hope Observatory, Belcamp | United States of America | North America |
| | updated | H87 | Fenwick Observatory, Richmond | United States of America | North America |
| | updated | H86 | CBA-East Observatory, Laurel | United States of America | North America |
| | updated | H85 | Silver Spring | United States of America | North America |
| | updated | H84 | Northview Observatory, Mendon | United States of America | North America |
| | updated | H83 | Timberlake Observatory, Oakton | United States of America | North America |
| | updated | H82 | CBA-NOVAC Observatory, Front Royal | United States of America | North America |
| | updated | H81 | Hartung-Boothroyd Observatory, Ithaca | United States of America | North America |
| | updated | H80 | Halsted Observatory, Princeton | United States of America | North America |
| | updated | H79 | York University Observatory, Toronto | Canada | North America |
| | updated | H78 | University of Nariño Observatory, Pasto | Colombia | South America |
| | updated | H77 | Buehler Observatory | United States of America | North America |
| | updated | H76 | Oakridge Observatory, Miami | United States of America | North America |
| | updated | H75 | Indian Hill North Observatory, Huntsburg | United States of America | North America |
| | updated | H74 | Bar J Observatory, New Smyrna Beach | United States of America | North America |
| | updated | H73 | Lakeland Astronomical Observatory, Kirtland | United States of America | North America |
| | updated | H72 | Evelyn L. Egan Observatory, Fort Myers | United States of America | North America |
| | updated | H71 | Chula | United States of America | North America |
| | updated | H70 | Asheville | United States of America | North America |
| | updated | H69 | Perkins Observatory, Delaware | United States of America | North America |
| | updated | H68 | Red Barn Observatory, Ty Ty | United States of America | North America |
| | updated | H67 | Stonegate Observatory, Ann Arbor | United States of America | North America |
| | updated | H66 | Yellow Springs | United States of America | North America |
| | updated | H65 | Waltonfields Observatory, Walton | United States of America | North America |
| | updated | H64 | Thomas More College Observatory, Crestview Hills | United States of America | North America |
| | updated | H63 | DeKalb Observatory, Auburn | United States of America | North America |
| | updated | H62 | Calvin College Observatory | United States of America | North America |
| | updated | H61 | Newcastle | Canada | North America |
| | updated | H60 | Heartland Observatory, Carmel | United States of America | North America |
| | updated | H59 | Prairie Grass Observatory, Camp Cullom | United States of America | North America |
| | updated | H58 | NASA/MSFC ALaMO, Redstone Arsenal | United States of America | North America |
| | updated | H57 | Ohio State University Observatory, Lima | United States of America | North America |
| | updated | H56 | Northbrook Meadow Observatory | United States of America | North America |
| | updated | H55 | Astronomical Research Observatory, Charleston | United States of America | North America |
| | updated | H54 | Cedar Drive Observatory, Pulaski | United States of America | North America |
| | updated | H53 | Thompsonville | United States of America | North America |
| | updated | H52 | Hawkeye Observatory, Durand | United States of America | North America |
| | updated | H51 | Greiner Research Observatory, Verona | United States of America | North America |
| | updated | H50 | University of Central Arkansas Obs., Conway | United States of America | North America |
| | updated | H49 | ATU Astronomical Observatory, Russellville | United States of America | North America |
| | updated | H48 | PSU Greenbush Observatory, Pittsburg | United States of America | North America |
| | updated | H47 | Vicksburg | United States of America | North America |
| | updated | H46 | Ricky Observatory, Blue Springs | United States of America | North America |
| | updated | H44 | Cascade Mountain | United States of America | North America |
| | updated | H43 | Conway | United States of America | North America |
| | updated | H42 | Wartburg College Observatory, Waverly | United States of America | North America |
| | updated | H41 | Petit Jean Mountain | United States of America | North America |
| | updated | H40 | Nubbin Ridge Observatory | United States of America | North America |
| | updated | H39 | S.O.S. Observatory, Minneapolis | United States of America | North America |
| | updated | H38 | Timberline Observatory, Urbandale | United States of America | North America |
| | updated | H37 | Grems Timmons Observatories, Graettinger | United States of America | North America |
| | updated | H36 | Sandlot Observatory, Scranton | United States of America | North America |
| | updated | H35 | Leavenworth | United States of America | North America |
| | updated | H34 | Chapel Hill | United States of America | North America |
| | updated | H33 | Bixhoma Observatory, Bixby | United States of America | North America |
| | updated | H32 | Texas A&M Physics Observatory, College Station | United States of America | North America |
| | updated | H31 | Star Ridge Observatory, Weimar | United States of America | North America |
| | updated | H30 | University of Oklahoma Observatory, Norman | United States of America | North America |
| | updated | H29 | Ivywood Observatory, Edmond | United States of America | North America |
| | updated | H28 | Preston Hills Observatory, Celina | United States of America | North America |
| | updated | H27 | Moonglow Observatory, Warrensburg | United States of America | North America |
| | updated | H26 | Doc Greiner Research Observatory, Janesvillle | United States of America | North America |
| | updated | H25 | Harvest Moon Observatory, Northfield | United States of America | North America |
| | updated | H24 | J. C. Veen Observatory, Lowell | United States of America | North America |
| | updated | H23 | Pear Tree Observatory, Valparaiso | United States of America | North America |
| | updated | H22 | Terre Haute | United States of America | North America |
| | updated | H21 | Astronomical Research Observatory, Westfield | United States of America | North America |
| | updated | H20 | Eastern Illinois University Obs., Charleston | United States of America | North America |
| | updated | H19 | Lone Star Observatory, Caney | United States of America | North America |
| | updated | H18 | Vail View Observatory, Vail | United States of America | North America |
| | updated | H17 | Angel Peaks Observatory | United States of America | North America |
| | updated | H16 | HUT Observatory, Eagle | United States of America | North America |
| | updated | H15 | ISON-NM Observatory, Mayhill | United States of America | North America |
| | updated | H14 | Morning Star Observatory, Tucson | United States of America | North America |
| | updated | H13 | Lenomiya Observatory, Casa Grande | United States of America | North America |
| | updated | H12 | TechDome, Mayhill | United States of America | North America |
| | updated | H11 | LightBuckets Observatory, Rodeo | United States of America | North America |
| | updated | H10 | Tzec Maun Observatory, Mayhill | United States of America | North America |
| | updated | H09 | Antelope Hills Observatory, Bennett | United States of America | North America |
| | updated | H08 | BlackBird Observatory, Cloudcroft | United States of America | North America |
| | updated | H07 | 7300 Observatory, Cloudcroft | United States of America | North America |
| | updated | H06 | iTelescope Observatory, Mayhill | United States of America | North America |
| | updated | H05 | Edmund Kline Observatory, Deer Trail | United States of America | North America |
| | updated | H04 | Santa Fe | United States of America | North America |
| | updated | H03 | Sandia View Observatory, Rio Rancho | United States of America | North America |
| | updated | H02 | Sulphur Flats Observatory, La Cueva | United States of America | North America |
| | updated | H01 | Magdalena Ridge Observatory, Socorro | United States of America | North America |
| | updated | H00 | Tyrone | United States of America | North America |
| | updated | G99 | NF Observatory, Silver City | United States of America | North America |
| | updated | G98 | Calvin-Rehoboth Observatory, Rehoboth | United States of America | North America |
| | updated | G97 | Astronomical League Alpha Observatory, Portal | United States of America | North America |
| | updated | G95 | Hereford Arizona Observatory, Hereford | United States of America | North America |
| | updated | G94 | Sonoran Skies Observatory, St. David | United States of America | North America |
| | updated | G93 | Sonoita Research Observatory, Sonoita | United States of America | North America |
| | updated | G92 | Jarnac Observatory, Vail | United States of America | North America |
| | updated | G91 | Whipple Observatory, Mt. Hopkins--2MASS | United States of America | North America |
| | updated | G90 | Three Buttes Observatory, Tucson | United States of America | North America |
| | updated | G89 | Kachina Observatory, Flagstaff | United States of America | North America |
| | updated | G88 | LAMP Observatory, New River | United States of America | North America |
| | updated | G87 | Calvin M. Hooper Memorial Observatory, Hyde Park | United States of America | North America |
| | updated | G86 | Tucson-Winterhaven | United States of America | North America |
| | updated | G85 | Vermillion Cliffs Observatory, Kanab | United States of America | North America |
| | updated | G82 | SARA Observatory, Kitt Peak | United States of America | North America |
| | updated | G81 | Temecula | United States of America | North America |
| | updated | G80 | Sierra Remote Observatories, Auberry | United States of America | North America |
| | updated | G79 | Goat Mountain Astronomical Research Station | United States of America | North America |
| | updated | G78 | Desert Wanderer Observatory, El Centro | United States of America | North America |
| | updated | G77 | Baldwin Lake | United States of America | North America |
| | updated | G76 | Altimira Observatory, Coto de Caza | United States of America | North America |
| | updated | G75 | Starry Knight Observatory, Coto de Caza | United States of America | North America |
| | updated | G74 | Boulder Knolls Observatory, Escondido | United States of America | North America |
| | updated | G73 | Mount Wilson-TIE | United States of America | North America |
| | updated | G72 | University Hills | United States of America | North America |
| | updated | G71 | Rancho Palos Verdes | United States of America | North America |
| | updated | G70 | Francisquito Observatory, Los Angeles | United States of America | North America |
| | updated | G69 | Via Capote Sky Observatory, Thousand Oaks | United States of America | North America |
| | updated | G68 | Sierra Stars Observatory, Markleeville | United States of America | North America |
| | updated | G67 | Rancho Del Sol, Camino | United States of America | North America |
| | updated | G66 | Lake Forest Observatory, Forest Hills | United States of America | North America |
| | updated | G65 | Vulcan North, Lick Observatory, Mount Hamilton | United States of America | North America |
| | updated | G64 | Blue Canyon Observatory | United States of America | North America |
| | updated | G63 | Mill Creek Observatory, The Dalles | United States of America | North America |
| | updated | G62 | Sunriver Nature Center Observatory, Sunriver | United States of America | North America |
| | updated | G61 | Pleasanton | United States of America | North America |
| | updated | G60 | Carroll Observatory, Montecito | United States of America | North America |
| | updated | G59 | Maiden Lane Obs., Bainbridge Island | United States of America | North America |
| | updated | G58 | Chabot Space and Science Center, Oakland | United States of America | North America |
| | updated | G57 | Dilbert Observatory, Forest Grove | United States of America | North America |
| | updated | G56 | Walnut Creek | United States of America | North America |
| | updated | G55 | Bakersfield | United States of America | North America |
| | updated | G54 | Hemet | United States of America | North America |
| | updated | G53 | Alder Springs Observatory, Auberry | United States of America | North America |
| | updated | G52 | Stone Edge Observatory, El Verano | United States of America | North America |
| | updated | G51 | Byrne Observatory, Sedgwick Reserve | United States of America | North America |
| | updated | G50 | Organ Mesa Observatory, Las Cruces | United States of America | North America |
| | updated | G49 | Minnetonka | United States of America | North America |
| | updated | G48 | Harlingten Research Observatory, Rancho Hildalgo | United States of America | North America |
| | updated | G47 | HillTopTop Observatory, Edgewood | United States of America | North America |
| | updated | G46 | Pinto Valley Observatory | United States of America | North America |
| | updated | G45 | Space Surveillance Telescope, Atom Site | United States of America | North America |
| | updated | G44 | Observatorio Longa Vista, Sao Paulo | Brazil | South America |
| | updated | G43 | Observatorio Buenaventura Suarez, San Luis | Argentina | South America |
| | updated | G42 | Observatorio Astronómico UAdeC, Saltillo | Mexico | North America |
| | updated | G41 | Insperity Observatory, Humble | United States of America | North America |
| | updated | G40 | Slooh.com Canary Islands Observatory | Spain | Europe |
| | updated | G39 | ROAD, San Pedro de Atacama | Chile | South America |
| | updated | G38 | Observatorio La Senda, Cabanillas del Campo | Spain | Europe |
| | updated | G37 | Lowell Discovery Telescope | United States of America | North America |
| | updated | G36 | Calar Alto-CASADO | Spain | Europe |
| | updated | G35 | Elephant Head Obsevatory, Sahuarita | United States of America | North America |
| | updated | G33 | Wickede | Germany | Europe |
| | updated | G32 | Elena Remote Observatory, San Pedro de Atacama | Chile | South America |
| | updated | G31 | CCAT Trieste | Italy | Europe |
| | updated | G30 | Casselman | Canada | North America |
| | updated | G29 | Requena | Spain | Europe |
| | updated | G28 | Wyncroft Observatory, Attleborough | United Kingdom | Europe |
| | updated | G27 | Fabra Observatory, Montsec | Spain | Europe |
| | updated | G26 | Fushan Observatory, Mt Shaohua | China | Asia |
| | updated | G25 | Sherbrooke | Canada | North America |
| | updated | G24 | Dettenhausen | Germany | Europe |
| | updated | G23 | Vulpecula Observatory, Budapest | Hungary | Europe |
| | updated | G22 | Experimenta Observatory, Heilbronn | Germany | Europe |
| | updated | G21 | Osservatorio Castrofilippo | Italy | Europe |
| | updated | G20 | Brignoles Observatory | France | Europe |
| | updated | G19 | Immanuel Kant Observatory,Limbach | Germany | Europe |
| | updated | G18 | ALMO Observatory, Padulle | Italy | Europe |
| | updated | G17 | BAS Observatory, Scandicci | Italy | Europe |
| | updated | G16 | OmegaLab Observatory, Palermo | Italy | Europe |
| | updated | G15 | Magroforte Observatory, Alessandria | Italy | Europe |
| | updated | G14 | Novaloop Observatory, Mougins | France | Europe |
| | updated | G13 | Astronomihagen, Fannrem | Norway | Europe |
| | updated | G12 | Sternwarte EG, Lippstadt | Germany | Europe |
| | updated | G11 | Breitenweg Observatory, Herkenrath | Germany | Europe |
| | updated | G10 | Clavier Observatory, Lora Del Rio | Spain | Europe |
| | updated | G09 | SWF Observatory, South Woodham Ferrers | United Kingdom | Europe |
| | updated | G08 | Observatorio Les Pedritxes, Matadepera | Spain | Europe |
| | updated | G07 | Millau Observatory | France | Europe |
| | updated | G06 | Dordrecht, Sterrenburg |  Netherlands | Europe |
| | updated | G05 | Piconcillo, Sierra Morena | Spain | Europe |
| | updated | G04 | Schuelerlabor Astronomie St. 7, Wuppertal | Germany | Europe |
| | updated | G03 | Capricornus Observatory, Csokako | Hungary | Europe |
| | updated | G02 | KYSUCE Observatory, Kysucke Nove Mesto | Slovakia | Europe |
| | updated | G01 | Universitaetssternwarte Oldenburg | Germany | Europe |
| | updated | G00 | AZM Martinsberg, Oed | Austria | Europe |
| | updated | F86 | Moana Observatory, Punaauia | French Polynesia | Oceania |
| | updated | F85 | Tiki Observatory, Punaauia | French Polynesia | Oceania |
| | updated | F84 | Hibiscus Observatory, Punaauia | French Polynesia | Oceania |
| | updated | F60 | Ironwood Observatory, Hawaii | United States of America | North America |
| | updated | F59 | Ironwood Remote Observatory, Hawaii | United States of America | North America |
| | updated | E94 | Possum Observatory, Gisborne | New Zealand | Oceania |
| | updated | E89 | Geyserland Observatory, Pukehangi | New Zealand | Oceania |
| | updated | E87 | Turitea | New Zealand | Oceania |
| | updated | E86 | Speranza Observatory, Otaki | New Zealand | Oceania |
| | updated | E85 | Farm Cove | New Zealand | Oceania |
| | updated | E83 | Wither Observatory, Witherlea | New Zealand | Oceania |
| | updated | E81 | Nelson | New Zealand | Oceania |
| | updated | E62 | Slooh.com Australia Observatory, Coonabarabran | Australia | Oceania |
| | updated | E55 | GOTO South | Australia | Oceania |
| | updated | E52 | The Rock Regional Observatory, The Rock | Australia | Oceania |
| | updated | E29 | Mardella Observatory | Australia | Oceania |
| | updated | E28 | Kuriwa Observatory, Hawkesbury Heights | Australia | Oceania |
| | updated | E27 | Thornlands | Australia | Oceania |
| | updated | E26 | RAS Observatory, Biggera Waters | Australia | Oceania |
| | updated | E25 | Rochedale (APTA) | Australia | Oceania |
| | updated | E24 | Tangra Observatory, St. Clair | Australia | Oceania |
| | updated | E23 | Arcadia | Australia | Oceania |
| | updated | E22 | Univ. of Southern Queensland Obs., Mt. Kent | Australia | Oceania |
| | updated | E21 | Norma Rose Observatory, Leyburn | Australia | Oceania |
| | updated | E20 | Marsfield | Australia | Oceania |
| | updated | E19 | Kingsgrove | Australia | Oceania |
| | updated | E18 | BDI Observatory, Regents Park | Australia | Oceania |
| | updated | E17 | Leura | Australia | Oceania |
| | updated | E16 | Grove Creek Observatory, Trunkey | Australia | Oceania |
| | updated | E15 | Magellan Observatory, near Goulburn | Australia | Oceania |
| | updated | E14 | Hunters Hill Observatory, Ngunnawal | Australia | Oceania |
| | updated | E13 | Wanniassa | Australia | Oceania |
| | updated | E11 | Frog Rock Observatory, Mudgee | Australia | Oceania |
| | updated | E09 | Oakley Southern Sky Observatory, Coonabarabran | Australia | Oceania |
| | updated | E08 | Wobblesock Observatory, Coonabarabran | Australia | Oceania |
| | updated | E07 | Murrumbateman | Australia | Oceania |
| | updated | E05 | Earl Hill Observatory, Trinity Beach | Australia | Oceania |
| | updated | E04 | Pacific Sky Observatory, Saipan |  Northern Mariana Islands | Oceania |
| | updated | E03 | RAS Observatory, Officer | Australia | Oceania |
| | updated | E01 | Barfold | Australia | Oceania |
| | updated | E00 | Castlemaine | Australia | Oceania |
| | updated | D99 | AstroKoT, Port-Ste-Marie | France | Europe |
| | updated | D98 | Loiano TANDEM | Italy | Europe |
| | updated | D97 | Berri | Australia | Oceania |
| | updated | D96 | Tzec Maun Observatory, Moorook | Australia | Oceania |
| | updated | D95 | Kurihara | Japan | Asia |
| | updated | D94 | Takanezawa, Tochigi | Japan | Asia |
| | updated | D93 | Sendai Astronomical Observatory | Japan | Asia |
| | updated | D92 | Osaki | Japan | Asia |
| | updated | D91 | Adati | Japan | Asia |
| | updated | D90 | RAS Observatory, Moorook | Australia | Oceania |
| | updated | D89 | Yamagata | Japan | Asia |
| | updated | D88 | Hiratsuka | Japan | Asia |
| | updated | D87 | Brooklyn Park | Australia | Oceania |
| | updated | D86 | Penwortham | Australia | Oceania |
| | updated | D85 | Ingle Farm | Australia | Oceania |
| | updated | D84 | Hallet Cove | Australia | Oceania |
| | updated | D83 | Miwa | Japan | Asia |
| | updated | D82 | Wallaroo | Australia | Oceania |
| | updated | D81 | Nagano | Japan | Asia |
| | updated | D80 | Gumma Astronomical Observatory | Japan | Asia |
| | updated | D79 | YSVP Observatory, Vale Park | Australia | Oceania |
| | updated | D78 | Iga-Ueno | Japan | Asia |
| | updated | D77 | TD-TRO (Tuscany Remote Observatory) | Italy | Europe |
| | updated | D76 | AAT-Terrassa, Terrassa | Spain | Europe |
| | updated | D75 | Cariati | Italy | Europe |
| | updated | D74 | Nakagawa | Japan | Asia |
| | updated | D73 | SNX-NET, Hakos | Namibia | Africa |
| | updated | D72 | WAA Remote Observatory, Hakos | Namibia | Africa |
| | updated | D71 | ObservaSTYRium, Stainz bei Straden | Austria | Europe |
| | updated | D70 | Tosa | Japan | Asia |
| | updated | D69 | JMU Space-Observatory | Germany | Europe |
| | updated | D68 | Osservatorio Galileo, Padova | Italy | Europe |
| | updated | D67 | Tula Rooftop Observatory, Tula | Russia | Europe |
| | updated | D66 | Civico Osservatorio Astronomico di Rozzano | Italy | Europe |
| | updated | D65 | G. Beltrame, Arcugnano Vicenza | Italy | Europe |
| | updated | D64 | Fucama, Casalincontrada | Italy | Europe |
| | updated | D62 | Miyaki-Argenteus | Japan | Asia |
| | updated | D61 | Suntopia Marina, Sumoto | Japan | Asia |
| | updated | D59 | MARIAMIR, Saint-Jeannet | France | Europe |
| | updated | D58 | KSA SEM Observatory, Danggam-dong | South Korea | Asia |
| | updated | D57 | Gimhae Astronomical Observatory, Uhbang-dong | South Korea | Asia |
| | updated | D56 | Osservatorio Sideris Oculus, San Pietro in Gu | Italy | Europe |
| | updated | D55 | Kangwon Science High School Observatory, Ksho | South Korea | Asia |
| | updated | D54 | MASTER-II Observatory, Blagoveshchensk | Russia | Europe |
| | updated | D53 | ISON-Blagoveschensk Observatory | Russia | Europe |
| | updated | D52 | ULU Observatory, Caselle Landi | Italy | Europe |
| | updated | D51 | Plateau Astronomique La Couronne | France | Europe |
| | updated | D50 | Vaucluse Observatoire Celeste, Blauvac | France | Europe |
| | updated | D49 | L'Ametlla de Mar | Spain | Europe |
| | updated | D48 | Niederbexbach Observatory | Germany | Europe |
| | updated | D47 | BigBang Observatory, Manciano | Italy | Europe |
| | updated | D46 | Observatory Bad Wurzach | Germany | Europe |
| | updated | D45 | Kamyk, Trzesn | Poland | Europe |
| | updated | D44 | Ishigakijima Astronomical Observatory | Japan | Asia |
| | updated | D42 | Piero Angela Observatory, Scandicci | Italy | Europe |
| | updated | D41 | Osservatorio Astronomico Orciatico | Italy | Europe |
| | updated | D40 | Frosinone | Italy | Europe |
| | updated | D39 | Shandong University Observatory, Weihai | China | Asia |
| | updated | D38 | Tecnosky Astropark, Felizzano | Italy | Europe |
| | updated | D37 | Lulin Widefield Telescope, Mt. Lulin | Taiwan | Asia |
| | updated | D36 | Tataka, Mt. Yu-Shan National Park | Taiwan | Asia |
| | updated | D35 | Lulin Observatory | Taiwan | Asia |
| | updated | D34 | Kenting Observatory, Hengchun | South Korea | Asia |
| | updated | D33 | Kenting Observatory, Checheng | Taiwan | Asia |
| | updated | D32 | JiangNanTianChi Observatory, Mt. Getianling | China | Asia |
| | updated | D31 | Osservatorio Aldebaran, Rivalba | Italy | Europe |
| | updated | D30 | Sternwarte Silbergraben, Erfurt | Germany | Europe |
| | updated | D29 | Purple Mountain Observatory, XuYi Station | China | Asia |
| | updated | D28 | Escaldarium Observatory, Caldes de Montbui | Spain | Europe |
| | updated | D27 | Observatoire de Fontcaude, Juvignac | France | Europe |
| | updated | D26 | Peyrole Observatory, Peyrole | France | Europe |
| | updated | D25 | Tzec Maun Observatory, Pingelly (before 2010) | Australia | Oceania |
| | updated | D24 | LightBuckets Observatory, Pingelly | Australia | Oceania |
| | updated | D23 | Observatori Astronomic de l'Institut d'Alcarras, Alcarras | Spain | Europe |
| | updated | D22 | UWA Observatory, Crawley | Australia | Oceania |
| | updated | D21 | Shenton Park | Australia | Oceania |
| | updated | D20 | Zadko Observatory, Wallingup Plain | Australia | Oceania |
| | updated | D19 | Hong Kong Space Museum Sai Kung iObservatory | China | Asia |
| | updated | D18 | Mt. Guizi Observatory | China | Asia |
| | updated | D17 | Hong Kong | China | Asia |
| | updated | D16 | Po Leung Kuk Observatory, Tuen Mun | China | Asia |
| | updated | D15 | Sternwarte F. Schiller-Gymnasium, Weimar | Germany | Europe |
| | updated | D14 | Nanchuan Observatory, Guangzhou | China | Asia |
| | updated | D13 | Cat's Eye Observatory | Italy | Europe |
| | updated | D12 | Filzi School Observatory, Laives | Italy | Europe |
| | updated | D11 | Bastidan Observatory | France | Europe |
| | updated | D10 | Gaertringen | Germany | Europe |
| | updated | D09 | Observatory Grömme, Maasmechelen | Belgium | Europe |
| | updated | D08 | Ghezz Observatory, Leontica | Switzerland | Europe |
| | updated | D07 | Wegberg | Germany | Europe |
| | updated | D06 | Associazione Tuscolana di Astronomia, Domatore | Italy | Europe |
| | updated | D05 | ISON-Terskol Observatory | Russia | Europe |
| | updated | D04 | Krasnodar | Russia | Europe |
| | updated | D03 | Rantiga Osservatorio, Tincana | Italy | Europe |
| | updated | D02 | Observatori Petit Sant Feliu | Spain | Europe |
| | updated | D01 | Andean Northern Observatory, Nummi-Pusula | Finland | Europe |
| | updated | D00 | ASC-Kislovodsk Observatory | Russia | Europe |
| | updated | C99 | Observatori Can Roig, Llagostera | Spain | Europe |
| | updated | C98 | Osservatorio Casellina, Scandicci | Italy | Europe |
| | updated | C97 | Al-Fulaij Observatory, Oman |  Oman | Asia |
| | updated | C96 | OACL Observatory, Mosciano Sant Angelo | Italy | Europe |
| | updated | C95 | SATINO Remote Observatory, Haute Provence | France | Europe |
| | updated | C94 | MASTER-II Observatory, Tunka | Russia | Europe |
| | updated | C93 | Bellavista Observatory, L'Aquila | Italy | Europe |
| | updated | C92 | Valdicerro Observatory, Loreto | Italy | Europe |
| | updated | C91 | Montevenere Observatory, Monzuno | Italy | Europe |
| | updated | C90 | Vinyols | Spain | Europe |
| | updated | C89 | Astronomical Station Vidojevica | Republic of Serbia | Europe |
| | updated | C88 | Montarrenti Observatory, Siena | Italy | Europe |
| | updated | C87 | Rimbach | Germany | Europe |
| | updated | C86 | Blanes | Spain | Europe |
| | updated | C85 | Observatorio Cala d'Hort, Ibiza | Spain | Europe |
| | updated | C84 | Badalona | Spain | Europe |
| | updated | C83 | Badalozhnyj Observatory | Russia | Europe |
| | updated | C82 | Osservatorio Astronomico Nastro Verde, Sorrento | Italy | Europe |
| | updated | C81 | Dolomites Astronomical Observatory | Italy | Europe |
| | updated | C80 | Don Astronomical Observatory, Rostov-on-Don | Russia | Europe |
| | updated | C79 | Roser Observatory, Blanes | Spain | Europe |
| | updated | C78 | Martin S. Kraar Observatory, Rehovot | Israel | Asia |
| | updated | C77 | Bernezzo Observatory | Italy | Europe |
| | updated | C76 | Observatorio Estels, Àger | Spain | Europe |
| | updated | C75 | Whitestar Observatory, Borgobello | Italy | Europe |
| | updated | C74 | Observatorio El Teatrillo de Lyra, Àger | Spain | Europe |
| | updated | C73 | Galați Observatory | Romania | Europe |
| | updated | C72 | Palestrina | Italy | Europe |
| | updated | C71 | Sant Marti Sesgueioles | Spain | Europe |
| | updated | C70 | Uiterstegracht Station, Leiden | Netherlands | Europe |
| | updated | C69 | Bayerwald Sternwarte, Neuhütte | Germany | Europe |
| | updated | C68 | Ellinogermaniki Agogi Observatory, Pallini | Greece | Europe |
| | updated | C67 | Gnevsdorf | Germany | Europe |
| | updated | C66 | Observatorio El Cielo de Consell | Spain | Europe |
| | updated | C65 | Observatori Astronòmic del Montsec | Spain | Europe |
| | updated | C64 | Puchenstuben | Austria | Europe |
| | updated | C63 | Giuseppe Piazzi Observatory, Ponte in Valtellina | Italy | Europe |
| | updated | C62 | Eurac Observatory, Bolzano | Italy | Europe |
| | updated | C61 | Chelles | France | Europe |
| | updated | C60 | Argelander Institute for Astronomy Obs., Bonn | Germany | Europe |
| | updated | C59 | Yangwang-1 | Space | Space |
| | updated | C56 | LISA-Pathfinder | Space | Space |
| | updated | C55 | Kepler | Space | Space |
| | updated | C54 | New Horizons | Space | Space |
| | updated | C52 | Swift | Space | Space |
| | updated | C48 | Sayan Solar Observatory, Irkutsk | Russia | Europe |
| | updated | C47 | Nonndorf | Austria | Europe |
| | updated | C46 | Horizon Observatory, Petropavlovsk | Kazakhstan | Asia |
| | updated | C45 | La Giustiniana | Italy | Europe |
| | updated | C44 | A. Volta Observatory, Lanzo d'Intelvi | Italy | Europe |
| | updated | C43 | Hoyerswerda | Germany | Europe |
| | updated | C42 | Xingming Observatory, Mt. Nanshan | China | Asia |
| | updated | C41 | MASTER-II Observatory, Kislovodsk | Russia | Europe |
| | updated | C40 | Kuban State University Astrophysical Observatory | Russia | Europe |
| | updated | C39 | Nijmegen | Netherlands | Europe |
| | updated | C38 | Varuna Observatory, Cuorgnè | Italy | Europe |
| | updated | C37 | Stowupland | United Kingdom | Europe |
| | updated | C36 | Starry Wanderer Observatory, Baran' |  Belarus | Europe |
| | updated | C35 | Terrassa | Spain | Europe |
| | updated | C34 | Baja Astronomical Observatory | Hungary | Europe |
| | updated | C33 | Observatorio CEAM, Caimari | Spain | Europe |
| | updated | C32 | Ka-Dar Observatory, TAU Station, Nizhny Arkhyz | Russia | Europe |
| | updated | C31 | Sternwarte Neanderhoehe Hochdahl e.V., Erkrath | Germany | Europe |
| | updated | C30 | Petrozavodsk University Obs., Sheltozero Stn. | Russia | Europe |
| | updated | C29 | Observatori Astronómic de Les Planes de Son | Spain | Europe |
| | updated | C28 | Wellinghofen | Germany | Europe |
| | updated | C27 | Pallerols | Spain | Europe |
| | updated | C26 | Levendaal Observatory, Leiden | Netherlands | Europe |
| | updated | C25 | Pulkovo Observatory Station, Campo Imperatore | Italy | Europe |
| | updated | C24 | Seveso | Italy | Europe |
| | updated | C23 | Olmen | Belgium | Europe |
| | updated | C22 | Oberwiesenthal | Germany | Europe |
| | updated | C21 | Observatorio Via Lactea, Àger | Spain | Europe |
| | updated | C20 | Kislovodsk Mtn. Astronomical Stn., Pulkovo Obs. | Russia | Europe |
| | updated | C19 | ROSA Observatory, Vaucluse | France | Europe |
| | updated | C18 | Frasnes-Lez-Anvaing | Belgium | Europe |
| | updated | C17 | Observatorio Joan Roget, Àger | Spain | Europe |
| | updated | C16 | Isarwinkel Observatory, Bad Tölz | Germany | Europe |
| | updated | C15 | ISON-Ussuriysk Observatory | Russia | Europe |
| | updated | C14 | Sky Vistas Observatory, Eichgraben | Austria | Europe |
| | updated | C13 | Como | Italy | Europe |
| | updated | C12 | Berta Observatory, Sabadell | Spain | Europe |
| | updated | C11 | City Observatory, Slaný | Czechia | Europe |
| | updated | C10 | Maisoncelles | France | Europe |
| | updated | C09 | Rouet | France | Europe |
| | updated | C08 | Fiby | Sweden | Europe |
| | updated | C07 | Anysllum Observatory, Àger | Spain | Europe |
| | updated | C06 | Krasnoyarsk | Russia | Europe |
| | updated | C05 | Konigsleiten | Austria | Europe |
| | updated | C04 | Kramatorsk | Ukraine | Europe |
| | updated | C03 | Clayhole Observatory, Jokela | Finland | Europe |
| | updated | C02 | Observatorio Royal Park | Spain | Europe |
| | updated | C01 | Lohrmann-Observatorium, Triebenberg | Germany | Europe |
| | updated | C00 | Velikie Luki | Russia | Europe |
| | updated | B99 | Santa Coloma de Gramenet | Spain | Europe |
| | updated | B98 | Siena | Italy | Europe |
| | updated | B97 | Sterrenwacht Andromeda, Meppel | Netherlands | Europe |
| | updated | B96 | Brixiis Observatory, Kruibeke | Belgium | Europe |
| | updated | B95 | Achternholt | Germany | Europe |
| | updated | B94 | Petrozavodsk | Russia | Europe |
| | updated | B93 | Hoogeveen | Netherlands | Europe |
| | updated | B92 | Chinon | France | Europe |
| | updated | B91 | Bollwiller | France | Europe |
| | updated | B90 | Malina River Observatory, Povoletto | Italy | Europe |
| | updated | B89 | Observatori Astronòmic de Tiana | Spain | Europe |
| | updated | B88 | Bigmuskie Observatory, Mombercelli | Italy | Europe |
| | updated | B87 | Banyoles | Spain | Europe |
| | updated | B86 | Sternwarte Hagen | Germany | Europe |
| | updated | B85 | Beilen Observatory | Netherlands | Europe |
| | updated | B84 | Cyclops Observatory, Oostkapelle | Netherlands | Europe |
| | updated | B83 | Gières | France | Europe |
| | updated | B82 | Maidbronn | Germany | Europe |
| | updated | B81 | Caimari | Spain | Europe |
| | updated | B80 | Osservatorio Astronomico Campomaggiore | Italy | Europe |
| | updated | B79 | Marana Observatory | Italy | Europe |
| | updated | B78 | Astrophoton Observatory, Audorf | Austria | Europe |
| | updated | B77 | Schafmatt Observatory, Aarau | Switzerland | Europe |
| | updated | B76 | Sternwarte Schönfeld, Dresden | Germany | Europe |
| | updated | B75 | Stazione Astronomica Betelgeuse, Magnago | Italy | Europe |
| | updated | B74 | Santa Maria de Montmagastrell | Spain | Europe |
| | updated | B73 | Mauren Valley Observatory, Holzgerlingen | Germany | Europe |
| | updated | B72 | Soerth Observatory | Germany | Europe |
| | updated | B71 | Observatorio El Vendrell | Spain | Europe |
| | updated | B70 | Sant Celoni | Spain | Europe |
| | updated | B69 | Owls and Ravens Observatory, Holzgerlingen | Germany | Europe |
| | updated | B68 | Mount Matajur Observatory | Slovenia | Europe |
| | updated | B67 | Sternwarte Mirasteilas, Falera | Switzerland | Europe |
| | updated | B66 | Osservatorio di Casasco | Italy | Europe |
| | updated | B65 | Komakallio Observatory, Kirkkonummi | Finland | Europe |
| | updated | B64 | Slope Rock Observatory, Hyvinkaa | Finland | Europe |
| | updated | B62 | Brelingen | Germany | Europe |
| | updated | B61 | Valldoreix Obs.,Sant Cugat del Valles | Spain | Europe |
| | updated | B60 | Deep Sky Observatorium, Bad Bentheim | Germany | Europe |
| | updated | B59 | Borken | Germany | Europe |
| | updated | B58 | Polaris Observatory, Budapest | Hungary | Europe |
| | updated | B57 | Laietania Observatory, Parets del Vallès | Spain | Europe |
| | updated | B56 | Observatorio Sant Pere, Mataró | Spain | Europe |
| | updated | B55 | Comeglians | Italy | Europe |
| | updated | B54 | Ager | Spain | Europe |
| | updated | B53 | Casal Lumbroso, Rome | Italy | Europe |
| | updated | B52 | Observatorio El Far | Spain | Europe |
| | updated | B51 | Vallauris | France | Europe |
| | updated | B50 | Corner Observatory, Durmersheim | Germany | Europe |
| | updated | B49 | Paus Observatory, Sabadell | Spain | Europe |
| | updated | B48 | Bocholt | Germany | Europe |
| | updated | B47 | Metsala Observatory, Espoo | Finland | Europe |
| | updated | B46 | Sintini Observatory, Alfonsine | Italy | Europe |
| | updated | B45 | Narama | Poland | Europe |
| | updated | B44 | Eygalayes | France | Europe |
| | updated | B43 | Hennef | Germany | Europe |
| | updated | B42 | Vitebsk | Belarus | Europe |
| | updated | B41 | Zlin Observatory | Czechia | Europe |
| | updated | B40 | Skylive Observatory, Catania | Italy | Europe |
| | updated | B39 | Tradate | Italy | Europe |
| | updated | B38 | Santa Mama | Italy | Europe |
| | updated | B37 | Obs. de L' Ametlla del Valles, Barcelona | Spain | Europe |
| | updated | B36 | Redshed Observatory, Kallham | Austria | Europe |
| | updated | B35 | Bareket Observatory, Macabim | Israel | Asia |
| | updated | B34 | Green Island Observatory, Gecitkale |  Northern Cyprus | Asia |
| | updated | B33 | Libbiano Observatory, Peccioli | Italy | Europe |
| | updated | B32 | Gelenau | Germany | Europe |
| | updated | B31 | Southern African Large Telescope, Sutherland | South Africa | Africa |
| | updated | B30 | Szamotuly-Galowo | Poland | Europe |
| | updated | B29 | L'Ampolla Observatory, Tarragona | Spain | Europe |
| | updated | B28 | Mandi Observatory, Pagnacco | Italy | Europe |
| | updated | B27 | Picard Observatory, St. Veit | Austria | Europe |
| | updated | B26 | Observatoire des Terres Blanches, Reillanne | France | Europe |
| | updated | B25 | Catania | Italy | Europe |
| | updated | B24 | Cesson | France | Europe |
| | updated | B23 | Fiamene | Italy | Europe |
| | updated | B22 | Observatorio d'Ager | Spain | Europe |
| | updated | B21 | Gaisberg Observatory, Schaerding | Austria | Europe |
| | updated | B20 | Observatorio Carmelita, Tiana | Spain | Europe |
| | updated | B19 | Observatorio Iluro, Mataró | Spain | Europe |
| | updated | B18 | Terskol | Russia | Europe |
| | updated | B17 | AZT-8 Yevpatoriya | Ukraine | Europe |
| | updated | B16 | 1st Moscow Gymnasium Observatory, Lipki | Russia | Europe |
| | updated | B15 | Inastars Observatory, Potsdam (since 2006) | Germany | Europe |
| | updated | B14 | Ca del Monte | Italy | Europe |
| | updated | B13 | Osservatorio di Tradate | Italy | Europe |
| | updated | B12 | Koschny Observatory, Noordwijkerhout | Netherlands | Europe |
| | updated | B11 | Osservatorio Cima Rest, Magasa | Italy | Europe |
| | updated | B10 | Observatoire des Baronnies Provencales, Moydans | France | Europe |
| | updated | B09 | Capannoli | Italy | Europe |
| | updated | B08 | San Lazzaro di Savena | Italy | Europe |
| | updated | B07 | Camorino | Switzerland | Europe |
| | updated | B06 | Montseny Astronomical Observatory | Spain | Europe |
| | updated | B05 | Ka-Dar Observatory, Barybino | Russia | Europe |
| | updated | B04 | OAVdA, Saint-Barthelemy | Italy | Europe |
| | updated | B03 | Alter Satzberg, Vienna | Austria | Europe |
| | updated | B02 | Kielce | Poland | Europe |
| | updated | B01 | Taunus Observatory, Frankfurt | Germany | Europe |
| | updated | B00 | Savigny-le-Temple | France | Europe |
| | updated | A99 | Osservatorio del Monte Baldo | Italy | Europe |
| | updated | A98 | Observatory Mazzarot-1, Baran' | Belarus | Europe |
| | updated | A97 | Stammersdorf | Austria | Europe |
| | updated | A96 | Klosterneuburg | Austria | Europe |
| | updated | A95 | Taurus Hill Observatory, Varkaus | Finland | Europe |
| | updated | A94 | Cormons | Italy | Europe |
| | updated | A93 | Lucca | Italy | Europe |
| | updated | A92 | Urseanu Observatory, Bucharest | Romania | Europe |
| | updated | A91 | Hankasalmi Observatory | Finland | Europe |
| | updated | A90 | Sant Gervasi Observatory, Barcelona | Spain | Europe |
| | updated | A89 | Sterni Observatory, Kempten | Germany | Europe |
| | updated | A88 | Bolzaneto | Italy | Europe |
| | updated | A87 | Rimbach | Germany | Europe |
| | updated | A86 | Albigneux | France | Europe |
| | updated | A85 | Odesa Astronomical Observatory, Kryzhanovka | Ukraine | Europe |
| | updated | A84 | TUBITAK National Observatory |  Turkey | Asia |
| | updated | A83 | Jakokoski Observatory | Finland | Europe |
| | updated | A82 | Osservatorio Astronomico di Trieste | Slovenia | Europe |
| | updated | A81 | Balzaretto Observatory, Rome | Italy | Europe |
| | updated | A80 | Lindenberg Observatory | Germany | Europe |
| | updated | A79 | Zvezdno Obshtestvo Observatory, Plana | Bulgaria | Europe |
| | updated | A78 | Stia | Italy | Europe |
| | updated | A77 | Observatoire Chante-Perdrix, Dauban | France | Europe |
| | updated | A76 | Andromeda Observatory, Miskolc | Hungary | Europe |
| | updated | A75 | Fort Pius Observatory, Barcelona | Spain | Europe |
| | updated | A74 | Bergen-Enkheim Observatory | Germany | Europe |
| | updated | A73 | Penzing Astrometric Obs., Vienna | Austria | Europe |
| | updated | A72 | Radebeul Observatory | Germany | Europe |
| | updated | A71 | Stixendorf | Austria | Europe |
| | updated | A70 | Lumijoki | Finland | Europe |
| | updated | A69 | Osservatorio Palazzo Bindi Sergardi | Italy | Europe |
| | updated | A68 | Swedenborg Obs., Bockholmwik | Germany | Europe |
| | updated | A67 | Chiusa di Pesio | Italy | Europe |
| | updated | A66 | Stazione Osservativa Astronomica, Livorno | Italy | Europe |
| | updated | A65 | Le Couvent de Lentin | France | Europe |
| | updated | A64 | Couvaloup de St-Cergue | Switzerland | Europe |
| | updated | A63 | Cosmosoz Obs., Tassin la Demi Lune | France | Europe |
| | updated | A62 | Aichtal | Germany | Europe |
| | updated | A61 | Tortona | Italy | Europe |
| | updated | A60 | YSTAR-NEOPAT Station, Sutherland | South Africa | Africa |
| | updated | A59 | Karlovy Vary Observatory | Czechia | Europe |
| | updated | A58 | Observatoire de Chalandray-Canotiers | France | Europe |
| | updated | A57 | Osservatorio Astron. Margherita Hack, Firenze | Italy | Europe |
| | updated | A56 | Parma | Italy | Europe |
| | updated | A55 | Osservatorio Astronomico Vallemare di Borbona | Italy | Europe |
| | updated | A54 | Ostrorog | Poland | Europe |
| | updated | A53 | Peschiera del Garda | Italy | Europe |
| | updated | A52 | Etyek | Hungary | Europe |
| | updated | A51 | Danzig | Poland | Europe |
| | updated | A50 | Andrushivka Astronomical Observatory | Ukraine | Europe |
| | updated | A49 | Uppsala-Ångström | Sweden | Europe |
| | updated | A48 | Povegliano Veronese | Italy | Europe |
| | updated | A47 | Matera | Italy | Europe |
| | updated | A46 | Lelekovice | Czechia | Europe |
| | updated | A45 | Karrenkneul | Germany | Europe |
| | updated | A44 | Altschwendt | Austria | Europe |
| | updated | A43 | Inastars Observatory, Potsdam (before 2006) | Germany | Europe |
| | updated | A42 | Gehrden | Germany | Europe |
| | updated | A41 | Rezman Observatory, Kamnik | Slovenia | Europe |
| | updated | A40 | Pieta |  Malta | Europe |
| | updated | A39 | Altenburg | Germany | Europe |
| | updated | A38 | Campocatino Automated Telescope, Collepardo | Italy | Europe |
| | updated | A36 | Ganda di Aviatico | Italy | Europe |
| | updated | A35 | Hormersdorf Observatory | Germany | Europe |
| | updated | A34 | Grosshabersdorf | Germany | Europe |
| | updated | A33 | Volkssternwarte Kirchheim | Germany | Europe |
| | updated | A32 | Panker | Germany | Europe |
| | updated | A31 | Corcaroli Observatory | Italy | Europe |
| | updated | A30 | Crespadoro | Italy | Europe |
| | updated | A29 | Santa Maria a Monte | Italy | Europe |
| | updated | A28 | Kempten | Germany | Europe |
| | updated | A27 | Eridanus Observatory, Langelsheim | Germany | Europe |
| | updated | A26 | Darmstadt | Germany | Europe |
| | updated | A25 | Nova Milanese | Italy | Europe |
| | updated | A24 | New Millennium Observatory, Mozzate | Italy | Europe |
| | updated | A23 | Weinheim | Germany | Europe |
| | updated | A22 | Starkenburg Sternwarte-SOHAS | Germany | Europe |
| | updated | A21 | Irmtraut | Germany | Europe |
| | updated | A20 | Sögel | Germany | Europe |
| | updated | A19 | Köln | Germany | Europe |
| | updated | A18 | Herne | Germany | Europe |
| | updated | A17 | Guidestar Observatory, Weinheim | Germany | Europe |
| | updated | A16 | Tentlingen | Switzerland | Europe |
| | updated | A15 | Josef Bresser Sternwarte, Borken | Germany | Europe |
| | updated | A14 | Les Engarouines Observatory | France | Europe |
| | updated | A13 | Observatoire Naef, Ependes | Switzerland | Europe |
| | updated | A12 | Stazione Astronomica di Sozzago | Italy | Europe |
| | updated | A11 | Wormhout | France | Europe |
| | updated | A10 | Observatorio Astronómico de Corbera | Spain | Europe |
| | updated | A09 | Quincampoix | France | Europe |
| | updated | A08 | Malibert | France | Europe |
| | updated | A07 | Gretz-Armainvilliers | France | Europe |
| | updated | A06 | Mataró | Spain | Europe |
| | updated | A05 | Belesta | France | Europe |
| | updated | A04 | Saint-Caprais | France | Europe |
| | updated | A03 | Torredembarra | Spain | Europe |
| | updated | A02 | Masia Cal Maciarol Modul 8 | Spain | Europe |
| | updated | A01 | Masia Cal Maciarol Modul 2 | Spain | Europe |
| | updated | A00 | Gravesend | United Kingdom | Europe |
| | updated | 999 | Bordeaux-Floirac | France | Europe |
| | updated | 998 | London-Mill Hill | United Kingdom | Europe |
| | updated | 997 | Hartwell | United Kingdom | Europe |
| | updated | 996 | Oxford | United Kingdom | Europe |
| | updated | 995 | Durham | United Kingdom | Europe |
| | updated | 994 | Godalming | United Kingdom | Europe |
| | updated | 993 | Woolston Observatory | United Kingdom | Europe |
| | updated | 992 | Liverpool (before 1867) | United Kingdom | Europe |
| | updated | 991 | Liverpool (since 1867) | United Kingdom | Europe |
| | updated | 990 | Madrid | Spain | Europe |
| | updated | 989 | Wilfred Hall Observatory, Preston | United Kingdom | Europe |
| | updated | 988 | Glasgow | United Kingdom | Europe |
| | updated | 987 | Isle of Man Observatory, Foxdale | Isle of Man | Europe |
| | updated | 986 | Ascot | United Kingdom | Europe |
| | updated | 985 | Telford | United Kingdom | Europe |
| | updated | 984 | Eastfield | United Kingdom | Europe |
| | updated | 983 | San Fernando | Spain | Europe |
| | updated | 982 | Dunsink Observatory, Dublin | Ireland | Europe |
| | updated | 981 | Armagh | United Kingdom | Europe |
| | updated | 980 | Lancaster | United Kingdom | Europe |
| | updated | 979 | South Wonston | United Kingdom | Europe |
| | updated | 978 | Conder Brow | United Kingdom | Europe |
| | updated | 977 | Markree | Ireland | Europe |
| | updated | 976 | Leamington Spa | United Kingdom | Europe |
| | updated | 975 | Observatorio Astronomico de Valencia | Spain | Europe |
| | updated | 974 | Genoa Observatory | Italy | Europe |
| | updated | 973 | Harrow | United Kingdom | Europe |
| | updated | 972 | Dun Echt | United Kingdom | Europe |
| | updated | 971 | Lisbon | Portugal | Europe |
| | updated | 969 | London-Regents Park | United Kingdom | Europe |
| | updated | 968 | Haverhill | United Kingdom | Europe |
| | updated | 967 | Greens Norton | United Kingdom | Europe |
| | updated | 966 | Church Stretton | United Kingdom | Europe |
| | updated | 965 | Observação Astronomica no Algarve, Portimão | Portugal | Europe |
| | updated | 964 | Southend Bradfield | United Kingdom | Europe |
| | updated | 963 | Werrington | United Kingdom | Europe |
| | updated | 962 | Gandia | Spain | Europe |
| | updated | 961 | City Observatory, Calton Hill, Edinburgh | United Kingdom | Europe |
| | updated | 960 | Rolvenden | United Kingdom | Europe |
| | updated | 959 | Ramonville Saint Agne | France | Europe |
| | updated | 958 | Observatoire de Dax | France | Europe |
| | updated | 957 | Merignac | France | Europe |
| | updated | 956 | Observatorio Pozuelo | Spain | Europe |
| | updated | 955 | Sassoeiros | Portugal | Europe |
| | updated | 954 | Teide Observatory | Spain | Europe |
| | updated | 953 | Montjoia | Spain | Europe |
| | updated | 952 | Marxuquera | Spain | Europe |
| | updated | 951 | Highworth | United Kingdom | Europe |
| | updated | 949 | Durtal | France | Europe |
| | updated | 948 | Pymoor | United Kingdom | Europe |
| | updated | 947 | Saint-Sulpice | France | Europe |
| | updated | 946 | Ametlla de Mar | Spain | Europe |
| | updated | 945 | Observatorio Monte Deva | Spain | Europe |
| | updated | 944 | Observatorio Geminis, Dos Hermanas | Spain | Europe |
| | updated | 943 | Peverell | United Kingdom | Europe |
| | updated | 942 | Grantham | United Kingdom | Europe |
| | updated | 941 | Observatorio Pla D'Arguines | Spain | Europe |
| | updated | 940 | Waterlooville | United Kingdom | Europe |
| | updated | 939 | Observatorio Rodeno | Spain | Europe |
| | updated | 938 | Linhaceira | Portugal | Europe |
| | updated | 937 | Bradbury Observatory, Stockton-on-Tees | United Kingdom | Europe |
| | updated | 936 | Ibis Observatory, Manhattan | United States of America | North America |
| | updated | 935 | Wyrick Observatory, Haymarket | United States of America | North America |
| | updated | 934 | Poway Valley | United States of America | North America |
| | updated | 933 | Rockland Observatory, Sierra Vista | United States of America | North America |
| | updated | 931 | Puna'auia | French Polynesia | Oceania |
| | updated | 930 | S. S. Observatory, Pamatai | French Polynesia | Oceania |
| | updated | 929 | Port Allen | United States of America | North America |
| | updated | 928 | Moonedge Observatory, Northport | United States of America | North America |
| | updated | 927 | Madison-YRS | United States of America | North America |
| | updated | 926 | Tenagra II Observatory, Nogales | United States of America | North America |
| | updated | 925 | Palominas Observatory | United States of America | North America |
| | updated | 924 | Observatoire du Cégep de Trois-Rivières | Canada | North America |
| | updated | 923 | The Bradstreet Observatory, St. Davids | United States of America | North America |
| | updated | 922 | Timberland Observatory, Decatur | United States of America | North America |
| | updated | 921 | SW Institute for Space Research, Cloudcroft | United States of America | North America |
| | updated | 920 | RIT Observatory, Rochester | United States of America | North America |
| | updated | 919 | Desert Beaver Observatory | United States of America | North America |
| | updated | 918 | Badlands Observatory, Quinn | United States of America | North America |
| | updated | 917 | Pacific Lutheran University Keck Observatory | United States of America | North America |
| | updated | 916 | Oakley Observatory, Terre Haute | United States of America | North America |
| | updated | 915 | River Oaks Observatory, New Braunfels | United States of America | North America |
| | updated | 914 | Underwood Observatory, Hubbardston | United States of America | North America |
| | updated | 913 | Observatorio Kappa Crucis, Montevideo | Uruguay | South America |
| | updated | 912 | Carbuncle Hill Observatory, Greene | United States of America | North America |
| | updated | 911 | Collins Observatory, Corning Community College | United States of America | North America |
| | updated | 910 | Caussols-ODAS | France | Europe |
| | updated | 909 | Snohomish Hilltop Observatory | United States of America | North America |
| | updated | 908 | Toyama | Japan | Asia |
| | updated | 907 | Melbourne | Australia | Oceania |
| | updated | 906 | Cobram | Australia | Oceania |
| | updated | 905 | Nachi-Katsuura Observatory | Japan | Asia |
| | updated | 904 | Go-Chome and Kobe-Suma | Japan | Asia |
| | updated | 903 | Fukuchiyama and Kannabe | Japan | Asia |
| | updated | 902 | Ootake | Japan | Asia |
| | updated | 901 | Tajimi | Japan | Asia |
| | updated | 900 | Moriyama | Japan | Asia |
| | updated | 899 | Toma | Japan | Asia |
| | updated | 898 | Fujieda | Japan | Asia |
| | updated | 897 | YGCO Chiyoda Station | Japan | Asia |
| | updated | 896 | Yatsugatake South Base Observatory | Japan | Asia |
| | updated | 895 | Hatamae | Japan | Asia |
| | updated | 894 | Kiyosato | Japan | Asia |
| | updated | 893 | Sendai Municipal Observatory | Japan | Asia |
| | updated | 892 | YGCO Hoshikawa and Nagano Stations | Japan | Asia |
| | updated | 891 | JCPM Kimachi Station | Japan | Asia |
| | updated | 890 | JCPM Tone Station | Japan | Asia |
| | updated | 889 | Karasuyama | Japan | Asia |
| | updated | 888 | Gekko | Japan | Asia |
| | updated | 887 | Ojima | Japan | Asia |
| | updated | 886 | Mishima | Japan | Asia |
| | updated | 885 | JCPM Yakiimo Station | Japan | Asia |
| | updated | 884 | Kawane | Japan | Asia |
| | updated | 883 | Shizuoka | Japan | Asia |
| | updated | 882 | JCPM Oi Station | Japan | Asia |
| | updated | 881 | Toyota | Japan | Asia |
| | updated | 880 | Rio de Janeiro | Brazil | South America |
| | updated | 879 | Tokai | Japan | Asia |
| | updated | 878 | Kagiya | Japan | Asia |
| | updated | 877 | Okutama | Japan | Asia |
| | updated | 876 | Honjo | Japan | Asia |
| | updated | 875 | Yorii | Japan | Asia |
| | updated | 874 | Observatório do Pico dos Dias, Itajubá | Brazil | South America |
| | updated | 873 | Kurashiki Observatory | Japan | Asia |
| | updated | 872 | Tokushima | Japan | Asia |
| | updated | 871 | Akou | Japan | Asia |
| | updated | 870 | Campiñas | Brazil | South America |
| | updated | 869 | Tosa | Japan | Asia |
| | updated | 868 | Hidaka Observatory | Japan | Asia |
| | updated | 867 | Saji Observatory | Japan | Asia |
| | updated | 866 | U.S. Naval Academy, Michelson | United States of America | North America |
| | updated | 865 | Emmy Observatory, New Paltz | United States of America | North America |
| | updated | 864 | Kumamoto | Japan | Asia |
| | updated | 863 | Furukawa | Japan | Asia |
| | updated | 862 | Saku | Japan | Asia |
| | updated | 861 | Barão Geraldo | Brazil | South America |
| | updated | 860 | Valinhos | Brazil | South America |
| | updated | 859 | Wykrota Observatory-CEAMIG | Brazil | South America |
| | updated | 858 | Tebbutt Observatory, Edgewood | United States of America | North America |
| | updated | 857 | Iowa Robotic Observatory, Sonoita | United States of America | North America |
| | updated | 856 | Riverside | United States of America | North America |
| | updated | 855 | Wayside Observatory, Minnetonka | United States of America | North America |
| | updated | 854 | Sabino Canyon Observatory, Tucson | United States of America | North America |
| | updated | 853 | Biosphere 2 Observatory | United States of America | North America |
| | updated | 852 | River Moss Observatory, St. Peters | United States of America | North America |
| | updated | 851 | Burke-Gaffney Observatory, Halifax | Canada | North America |
| | updated | 850 | Cordell-Lorenz Observatory, Sewanee | United States of America | North America |
| | updated | 849 | Everstar Observatory, Olathe | United States of America | North America |
| | updated | 848 | Tenagra Observatory, Cottage Grove | United States of America | North America |
| | updated | 847 | Lunar Cafe Observator, Flint | United States of America | North America |
| | updated | 846 | Principia Astronomical Observatory, Elsah | United States of America | North America |
| | updated | 845 | Ford Observatory, Ithaca | United States of America | North America |
| | updated | 844 | Observatorio Astronomico Los Molinos | Uruguay | South America |
| | updated | 843 | Emerald Lane Observatory, Decatur | United States of America | North America |
| | updated | 842 | Gettysburg College Observatory | United States of America | North America |
| | updated | 841 | Martin Observatory, Blacksburg | United States of America | North America |
| | updated | 840 | Flint | United States of America | North America |
| | updated | 839 | La Plata | Argentina | South America |
| | updated | 838 | Dayton | United States of America | North America |
| | updated | 837 | Jupiter | United States of America | North America |
| | updated | 836 | Furnace Brook Observatory, Cranston | United States of America | North America |
| | updated | 835 | Drum Hill Station, Chelmsford | United States of America | North America |
| | updated | 834 | Buenos Aires-AAAA | Argentina | South America |
| | updated | 833 | Obs. Astronomico de Mercedes, Buenos Aires | Argentina | South America |
| | updated | 832 | Etters | United States of America | North America |
| | updated | 831 | Rosemary Hill Observatory, University of Florida | United States of America | North America |
| | updated | 830 | Hudson | United States of America | North America |
| | updated | 829 | Complejo Astronomico El Leoncito | Argentina | South America |
| | updated | 828 | Assonet | United States of America | North America |
| | updated | 827 | Saint-Félicien | Canada | North America |
| | updated | 826 | Plessissville | Canada | North America |
| | updated | 825 | Granville | United States of America | North America |
| | updated | 824 | Lake Clear | United States of America | North America |
| | updated | 823 | Fitchburg | United States of America | North America |
| | updated | 822 | Córdoba | Argentina | South America |
| | updated | 821 | Córdoba-Bosque Alegre | Argentina | South America |
| | updated | 820 | Tarija | Bolivia | South America |
| | updated | 819 | Val-des-Bois | Canada | North America |
| | updated | 818 | Gemeaux Observatory, Laval | Canada | North America |
| | updated | 817 | Sudbury | United States of America | North America |
| | updated | 816 | Rand Observatory | United States of America | North America |
| | updated | 815 | Santiago-Santa Lucia (1849-1861) | Chile | South America |
| | updated | 814 | North Scituate | United States of America | North America |
| | updated | 813 | Santiago-Quinta Normal (1862-1920) | Chile | South America |
| | updated | 812 | Viña del Mar | Chile | South America |
| | updated | 811 | Maria Mitchell Observatory, Nantucket | United States of America | North America |
| | updated | 810 | Wallace Observatory, Westford | United States of America | North America |
| | updated | 808 | El Leoncito | Argentina | South America |
| | updated | 806 | Santiago-Cerro Calán | Chile | South America |
| | updated | 805 | Santiago-Cerro El Roble | Chile | South America |
| | updated | 804 | Santiago-San Bernardo | Chile | South America |
| | updated | 803 | Taunton | United States of America | North America |
| | updated | 802 | Harvard Observatory, Cambridge | United States of America | North America |
| | updated | 801 | Oak Ridge Observatory | United States of America | North America |
| | updated | 800 | Harvard Observatory, Arequipa | Peru | South America |
| | updated | 799 | Winchester | United States of America | North America |
| | updated | 798 | Yale Observatory, Bethany | United States of America | North America |
| | updated | 797 | Yale Observatory, New Haven | United States of America | North America |
| | updated | 796 | Stamford | United States of America | North America |
| | updated | 795 | Rutherford | United States of America | North America |
| | updated | 794 | Vassar College Observatory, Poughkeepsie | United States of America | North America |
| | updated | 793 | Dudley Observatory, Albany (before 1893) | United States of America | North America |
| | updated | 792 | University of Rhode Island, Quonochontaug | United States of America | North America |
| | updated | 791 | Flower and Cook Observatory, Philadelphia | United States of America | North America |
| | updated | 790 | Dominion Observatory, Ottawa | Canada | North America |
| | updated | 789 | Litchfield Observatory, Clinton | United States of America | North America |
| | updated | 788 | Mount Cuba Observatory, Wilmington | United States of America | North America |
| | updated | 787 | U.S. Naval Obs., Washington (before 1893) | United States of America | North America |
| | updated | 786 | U.S. Naval Obs., Washington (since 1893) | United States of America | North America |
| | updated | 785 | Fitz-Randolph Observatory, Princeton | United States of America | North America |
| | updated | 784 | Stull Observatory, Alfred University | United States of America | North America |
| | updated | 783 | Rixeyville | United States of America | North America |
| | updated | 782 | Quito, comet astrograph station |  Ecuador | South America |
| | updated | 781 | Quito | Ecuador | South America |
| | updated | 780 | Leander McCormick Observatory, Charlottesville | United States of America | North America |
| | updated | 779 | David Dunlap Observatory, Richmond Hill | Canada | North America |
| | updated | 778 | Allegheny Observatory, Pittsburgh | United States of America | North America |
| | updated | 777 | Toronto | Canada | North America |
| | updated | 776 | Foggy Bottom, Hamilton | United States of America | North America |
| | updated | 775 | Sayre Observatory, South Bethlehem | United States of America | North America |
| | updated | 774 | Warner and Swasey Nassau Station, Chardon | United States of America | North America |
| | updated | 773 | Warner and Swasey Observatory, Cleveland | United States of America | North America |
| | updated | 772 | Boltwood Observatory, Stittsville | Canada | North America |
| | updated | 771 | Boyeros Observatory, Havana |  Cuba | North America |
| | updated | 770 | Crescent Moon Observatory, Columbus | United States of America | North America |
| | updated | 769 | McMillin Observatory, Columbus | United States of America | North America |
| | updated | 768 | Dearborn Observatory, Evanston (aft. Oct. 1939) | United States of America | North America |
| | updated | 767 | Ann Arbor | United States of America | North America |
| | updated | 766 | Michigan State University Obs., East Lansing | United States of America | North America |
| | updated | 765 | Cincinnati | United States of America | North America |
| | updated | 764 | Puckett Observatory, Stone Mountain | United States of America | North America |
| | updated | 763 | King City | Canada | North America |
| | updated | 762 | Four Winds Observatory, Lake Leelanau | United States of America | North America |
| | updated | 761 | Zephyrhills | United States of America | North America |
| | updated | 760 | Goethe Link Observatory, Brooklyn | United States of America | North America |
| | updated | 759 | Nashville | United States of America | North America |
| | updated | 758 | BCC Observatory, Cocoa | United States of America | North America |
| | updated | 757 | High Point | United States of America | North America |
| | updated | 756 | Dearborn Observatory, Evanston (bef. July 1939) | United States of America | North America |
| | updated | 755 | Optec Observatory | United States of America | North America |
| | updated | 754 | Yerkes Observatory, Williams Bay | United States of America | North America |
| | updated | 753 | Washburn Observatory, Madison | United States of America | North America |
| | updated | 752 | Puckett Observatory, Mountain Town | United States of America | North America |
| | updated | 751 | Lake Saint Louis | United States of America | North America |
| | updated | 750 | Hobbs Observatory, Fall Creek | United States of America | North America |
| | updated | 749 | Oakwood | United States of America | North America |
| | updated | 748 | Van Allen Observatory, Iowa City | United States of America | North America |
| | updated | 747 | Highland Road Park Observatory | United States of America | North America |
| | updated | 746 | Brooks Observatory, Mt. Pleasant | United States of America | North America |
| | updated | 745 | Morrison Obervatory, Glasgow | United States of America | North America |
| | updated | 744 | Doyan Rose Observatory, Indianapolis | United States of America | North America |
| | updated | 743 | University of Minnesota, Minneapolis | United States of America | North America |
| | updated | 742 | Drake University, Des Moines | United States of America | North America |
| | updated | 741 | Goodsell Observatory, Northfield | United States of America | North America |
| | updated | 740 | SFA Observatory, Nacogdoches | United States of America | North America |
| | updated | 739 | Sunflower Observatory, Olathe | United States of America | North America |
| | updated | 738 | Observatory of the State University of Missouri | United States of America | North America |
| | updated | 737 | New Bullpen Observatory, Alpharetta | United States of America | North America |
| | updated | 736 | Houston | United States of America | North America |
| | updated | 735 | George Observatory, Needville | United States of America | North America |
| | updated | 734 | Farpoint Observatory, Eskridge | United States of America | North America |
| | updated | 733 | Allen, Texas | United States of America | North America |
| | updated | 732 | Oaxaca | Mexico | North America |
| | updated | 731 | Rose-Hulman Observatory, Terre Haute | United States of America | North America |
| | updated | 730 | University of North Dakota, Grand Forks | United States of America | North America |
| | updated | 729 | Glenlea Astronomical Observatory, Winnipeg | Canada | North America |
| | updated | 728 | Corpus Christi | United States of America | North America |
| | updated | 727 | Zeno Observatory, Edmond | United States of America | North America |
| | updated | 726 | Brainerd | United States of America | North America |
| | updated | 725 | Fair Oaks Ranch | United States of America | North America |
| | updated | 724 | National Observatory, Tacubaya | Mexico | North America |
| | updated | 723 | Cottonwood Observatory, Ada | United States of America | North America |
| | updated | 722 | Missouri City | United States of America | North America |
| | updated | 721 | Lime Creek | United States of America | North America |
| | updated | 720 | Universidad de Monterrey | Mexico | North America |
| | updated | 719 | Etscorn Observatory | United States of America | North America |
| | updated | 718 | Tooele | United States of America | North America |
| | updated | 717 | Prude Ranch | United States of America | North America |
| | updated | 716 | Palmer Divide Observatory, Colorado Springs | United States of America | North America |
| | updated | 715 | Jornada Observatory, Las Cruces | United States of America | North America |
| | updated | 714 | Bagdad | United States of America | North America |
| | updated | 713 | Thornton | United States of America | North America |
| | updated | 712 | USAF Academy Observatory, Colorado Springs | United States of America | North America |
| | updated | 711 | McDonald Observatory, Fort Davis | United States of America | North America |
| | updated | 710 | MPO Observatory, Florissant | United States of America | North America |
| | updated | 709 | W & B Observatory, Cloudcroft | United States of America | North America |
| | updated | 708 | Chamberlin Observatory, Denver | United States of America | North America |
| | updated | 707 | Chamberlin field station | United States of America | North America |
| | updated | 706 | Salida | United States of America | North America |
| | updated | 705 | Apache Point | United States of America | North America |
| | updated | 704 | Lincoln Laboratory ETS, New Mexico | United States of America | North America |
| | updated | 702 | Joint Obs. for cometary research, Socorro | United States of America | North America |
| | updated | 701 | Junk Bond Observatory, Sierra Vista | United States of America | North America |
| | updated | 700 | Chinle | United States of America | North America |
| | updated | 698 | Mt. Bigelow | United States of America | North America |
| | updated | 697 | Kitt Peak, McGraw-Hill | United States of America | North America |
| | updated | 696 | Whipple Observatory, Mt. Hopkins | United States of America | North America |
| | updated | 694 | Tumamoc Hill, Tucson | United States of America | North America |
| | updated | 693 | Catalina Station, Tucson | United States of America | North America |
| | updated | 692 | Steward Observatory, Tucson | United States of America | North America |
| | updated | 690 | Lowell Observatory, Flagstaff | United States of America | North America |
| | updated | 689 | U.S. Naval Observatory, Flagstaff | United States of America | North America |
| | updated | 688 | Lowell Observatory, Anderson Mesa Station | United States of America | North America |
| | updated | 687 | Northern Arizona University, Flagstaff | United States of America | North America |
| | updated | 686 | U. of Minn. Infrared Obs., Mt. Lemmon | United States of America | North America |
| | updated | 685 | Williams | United States of America | North America |
| | updated | 684 | Prescott | United States of America | North America |
| | updated | 683 | Goodricke-Pigott Observatory, Tucson | United States of America | North America |
| | updated | 682 | Kanab | United States of America | North America |
| | updated | 681 | Calgary | Canada | North America |
| | updated | 680 | Los Angeles | United States of America | North America |
| | updated | 679 | San Pedro Martir | Mexico | North America |
| | updated | 678 | Fountain Hills | United States of America | North America |
| | updated | 677 | Lake Arrowhead | United States of America | North America |
| | updated | 676 | San Clemente | United States of America | North America |
| | updated | 675 | Palomar Mountain | United States of America | North America |
| | updated | 674 | Ford Observatory, Wrightwood | United States of America | North America |
| | updated | 673 | Table Mountain Observatory, Wrightwood | United States of America | North America |
| | updated | 672 | Mount Wilson | United States of America | North America |
| | updated | 671 | Stony Ridge | United States of America | North America |
| | updated | 670 | Camarillo | United States of America | North America |
| | updated | 669 | Ojai | United States of America | North America |
| | updated | 668 | San Emigdio Peak | United States of America | North America |
| | updated | 667 | Wanapum Dam | United States of America | North America |
| | updated | 666 | Moorpark College Observatory | United States of America | North America |
| | updated | 665 | Wallis Observatory | United States of America | North America |
| | updated | 664 | Manastash Ridge Observatory | United States of America | North America |
| | updated | 663 | Red Mountain Observatory | United States of America | North America |
| | updated | 662 | Lick Observatory, Mount Hamilton | United States of America | North America |
| | updated | 661 | Rothney Astrophysical Observatory, Priddis | Canada | North America |
| | updated | 660 | Leuschner Observatory, Berkeley | United States of America | North America |
| | updated | 659 | Heron Cove Observatory, Orcas | USA | North America |
| | updated | 658 | National Research Council of Canada | Canada | North America |
| | updated | 657 | Climenhaga Observatory, Victoria | Canada | North America |
| | updated | 656 | Victoria | Canada | North America |
| | updated | 655 | Sooke | Canada | North America |
| | updated | 654 | Table Mountain Observatory, Wrightwood-PHMC | United States of America | North America |
| | updated | 653 | Torus Observatory, Buckley | United States of America | North America |
| | updated | 652 | Rock Finder Observatory, Calgary | Canada | North America |
| | updated | 651 | Grasslands Observatory, Tucson | United States of America | North America |
| | updated | 650 | Temecula | United States of America | North America |
| | updated | 649 | Powell Observatory, Louisburg | United States of America | North America |
| | updated | 648 | Winer Observatory, Sonoita | United States of America | North America |
| | updated | 647 | Stone Finder Observatory, Calgary | Canada | North America |
| | updated | 646 | Santana Observatory, Rancho Cucamonga | United States of America | North America |
| | updated | 643 | OCA-Anza Observatory | United States of America | North America |
| | updated | 642 | Oak Bay, Victoria | Canada | North America |
| | updated | 641 | Overberg | South Africa | Africa |
| | updated | 640 | Senftenberger Sternwarte | Czechia | Europe |
| | updated | 639 | Dresden | Germany | Europe |
| | updated | 638 | Detmold | Germany | Europe |
| | updated | 637 | Hamburg-Himmelsmoor | Germany | Europe |
| | updated | 636 | Essen | Germany | Europe |
| | updated | 635 | Pergignan | France | Europe |
| | updated | 634 | Crolles | France | Europe |
| | updated | 633 | Romito | Italy | Europe |
| | updated | 632 | San Polo A Mosciano | Italy | Europe |
| | updated | 631 | Hamburg-Georgswerder | Germany | Europe |
| | updated | 630 | Osenbach | France | Europe |
| | updated | 629 | Szeged Observatory | Hungary | Europe |
| | updated | 628 | Mülheim-Ruhr | Germany | Europe |
| | updated | 627 | Blauvac | France | Europe |
| | updated | 626 | Geel | Belgium | Europe |
| | updated | 625 | Kihei-AMOS Remote Maui Experimental Site | United States of America | North America |
| | updated | 624 | Dertingen | Germany | Europe |
| | updated | 623 | Liège | Belgium | Europe |
| | updated | 622 | Oberwichtrach | Switzerland | Europe |
| | updated | 621 | Bergisch Gladbach | Germany | Europe |
| | updated | 620 | Observatorio Astronómico de Mallorca | Spain | Europe |
| | updated | 619 | Sabadell | Spain | Europe |
| | updated | 618 | Martigues | France | Europe |
| | updated | 617 | Arbonne la Forêt | France | Europe |
| | updated | 616 | Brno | Czechia | Europe |
| | updated | 615 | St. Véran | France | Europe |
| | updated | 614 | Soisy-sur-Seine | France | Europe |
| | updated | 613 | Heisingen | Germany | Europe |
| | updated | 612 | Lenkerbeck | Germany | Europe |
| | updated | 611 | Starkenburg Sternwarte, Heppenheim | Germany | Europe |
| | updated | 610 | Pianoro | Italy | Europe |
| | updated | 609 | Osservatorio Polino | Italy | Europe |
| | updated | 608 | Haleakala-AMOS | United States of America | North America |
| | updated | 607 | Hagen Observatory, Ronkhausen | Germany | Europe |
| | updated | 606 | Norderstedt | Germany | Europe |
| | updated | 605 | Marl | Germany | Europe |
| | updated | 604 | Archenhold Sternwarte, Berlin-Treptow | Germany | Europe |
| | updated | 603 | Bothkamp | Germany | Europe |
| | updated | 602 | Urania Observatory, Vienna | Austria | Europe |
| | updated | 601 | Engelhardt Observatory, Dresden | Germany | Europe |
| | updated | 600 | TLC Observatory, Bologna | Italy | Europe |
| | updated | 599 | Campo Imperatore-CINEOS | Italy | Europe |
| | updated | 598 | Loiano | Italy | Europe |
| | updated | 597 | Springe | Germany | Europe |
| | updated | 596 | Colleverde di Guidonia | Italy | Europe |
| | updated | 595 | Farra d'Isonzo | Italy | Europe |
| | updated | 594 | Monte Autore | Italy | Europe |
| | updated | 593 | Monte Argentario | Italy | Europe |
| | updated | 592 | Solingen | Germany | Europe |
| | updated | 591 | Resse Observatory | Germany | Europe |
| | updated | 590 | Metzerlen | Switzerland | Europe |
| | updated | 589 | Santa Lucia Stroncone | Italy | Europe |
| | updated | 588 | Eremo di Tizzano | Italy | Europe |
| | updated | 586 | Pic du Midi | France | Europe |
| | updated | 585 | Kyiv comet station | Ukraine | Europe |
| | updated | 584 | Leningrad | Russia | Europe |
| | updated | 583 | Odesa-Mayaki | Ukraine | Europe |
| | updated | 582 | Orwell Park | United Kingdom | Europe |
| | updated | 581 | Sedgefield | South Africa | Africa |
| | updated | 580 | Graz | Austria | Europe |
| | updated | 579 | Novi Ligure | Italy | Europe |
| | updated | 578 | Linden Observatory | South Africa | Africa |
| | updated | 577 | Metzerlen Observatory | Switzerland | Europe |
| | updated | 576 | Burwash | United Kingdom | Europe |
| | updated | 575 | La Chaux de Fonds | Switzerland | Europe |
| | updated | 574 | Gottolengo | Italy | Europe |
| | updated | 573 | Eldagsen | Germany | Europe |
| | updated | 572 | Cologne | Germany | Europe |
| | updated | 571 | Cavriana | Italy | Europe |
| | updated | 570 | Vilnius (since 1939) |  Lithuania | Europe |
| | updated | 569 | Helsinki | Finland | Europe |
| | updated | 567 | Chions | Italy | Europe |
| | updated | 565 | Bassano Bresciano | Italy | Europe |
| | updated | 564 | Herrsching | Germany | Europe |
| | updated | 563 | Seewalchen | Austria | Europe |
| | updated | 562 | Figl Observatory, Vienna | Austria | Europe |
| | updated | 561 | Piszkéstető Stn. (Konkoly) | Hungary | Europe |
| | updated | 560 | Madonna di Dossobuono | Italy | Europe |
| | updated | 559 | Serra La Nave | Italy | Europe |
| | updated | 558 | Warsaw | Poland | Europe |
| | updated | 557 | Ondřejov | Czechia | Europe |
| | updated | 556 | Reintal, near Munich | Germany | Europe |
| | updated | 555 | Cracow-Fort Skała | Poland | Europe |
| | updated | 554 | Burgsolms Observatory, Wetzlar | Germany | Europe |
| | updated | 553 | Chorzów | Poland | Europe |
| | updated | 552 | Osservatorio S. Vittore, Bologna | Italy | Europe |
| | updated | 551 | Hurbanovo | Slovakia | Europe |
| | updated | 550 | Schwerin | Germany | Europe |
| | updated | 549 | Uppsala | Sweden | Europe |
| | updated | 548 | Berlin (1835-1913) | Germany | Europe |
| | updated | 547 | Breslau | Poland | Europe |
| | updated | 546 | Oppolzer Observatory, Vienna | Austria | Europe |
| | updated | 545 | Vienna (before 1879) | Austria | Europe |
| | updated | 544 | Wilhelm Foerster Observatory, Berlin | Germany | Europe |
| | updated | 543 | Leipzig (before 1861) | Germany | Europe |
| | updated | 542 | Falkensee | Germany | Europe |
| | updated | 541 | Prague | Czechia | Europe |
| | updated | 540 | Linz | Austria | Europe |
| | updated | 539 | Kremsmünster | Austria | Europe |
| | updated | 538 | Pola | Croatia | Europe |
| | updated | 537 | Urania Observatory, Berlin | Germany | Europe |
| | updated | 536 | Berlin-Babelsberg | Germany | Europe |
| | updated | 535 | Palermo | Italy | Europe |
| | updated | 534 | Leipzig (since 1861) | Germany | Europe |
| | updated | 533 | Padua | Italy | Europe |
| | updated | 532 | Munich | Germany | Europe |
| | updated | 531 | Collegio Romano, Rome | Italy | Europe |
| | updated | 530 | Lübeck | Germany | Europe |
| | updated | 529 | Christiania | Norway | Europe |
| | updated | 528 | Göttingen | Germany | Europe |
| | updated | 527 | Altona | Germany | Europe |
| | updated | 526 | Kiel | Germany | Europe |
| | updated | 525 | Marburg | Germany | Europe |
| | updated | 524 | Mannheim | Germany | Europe |
| | updated | 523 | Frankfurt | Germany | Europe |
| | updated | 522 | Strasbourg | France | Europe |
| | updated | 521 | Remeis Observatory, Bamberg | Germany | Europe |
| | updated | 520 | Bonn | Germany | Europe |
| | updated | 519 | Meschede | Germany | Europe |
| | updated | 518 | Marine Observatory, Hamburg | Germany | Europe |
| | updated | 517 | Geneva (from 1967) | Switzerland | Europe |
| | updated | 516 | Hamburg (before 1909) | Germany | Europe |
| | updated | 515 | Volkssternwarte Dhaun, near Kirn | Germany | Europe |
| | updated | 514 | Mundenheim (1907-1913) | Germany | Europe |
| | updated | 513 | Lyons | France | Europe |
| | updated | 512 | Leiden (before 1860) | Netherlands | Europe |
| | updated | 511 | Haute Provence | France | Europe |
| | updated | 510 | Siegen | Germany | Europe |
| | updated | 509 | La Seyne sur Mer | France | Europe |
| | updated | 508 | Zeist | Netherlands | Europe |
| | updated | 507 | Nyenheim | Netherlands | Europe |
| | updated | 506 | Bendestorf | Germany | Europe |
| | updated | 505 | Simon Stevin | Netherlands | Europe |
| | updated | 504 | Le Creusot | France | Europe |
| | updated | 503 | Cambridge | United Kingdom | Europe |
| | updated | 502 | Colchester | United Kingdom | Europe |
| | updated | 501 | Herstmonceux | United Kingdom | Europe |
| | updated | 500 | Geocentric | Space | Space |
| | updated | 499 | Cheam | United Kingdom | Europe |
| | updated | 498 | Earls Barton | United Kingdom | Europe |
| | updated | 497 | Loudwater | United Kingdom | Europe |
| | updated | 496 | Bishopstoke | United Kingdom | Europe |
| | updated | 495 | Altrincham | United Kingdom | Europe |
| | updated | 494 | Stakenbridge | United Kingdom | Europe |
| | updated | 492 | Mickleover | United Kingdom | Europe |
| | updated | 491 | Centro Astronómico de Yebes | Spain | Europe |
| | updated | 490 | Wimborne Minster | United Kingdom | Europe |
| | updated | 489 | Hemingford Abbots | United Kingdom | Europe |
| | updated | 488 | Newcastle-upon-Tyne | United Kingdom | Europe |
| | updated | 487 | Macnairston Observatory | United Kingdom | Europe |
| | updated | 486 | Palmerston North | New Zealand | Oceania |
| | updated | 485 | Carter Observatory, Wellington | New Zealand | Oceania |
| | updated | 484 | Happy Valley, Wellington | New Zealand | Oceania |
| | updated | 483 | Carter Observatory, Black Birch Station | New Zealand | Oceania |
| | updated | 482 | St. Andrews | United Kingdom | Europe |
| | updated | 481 | Moorwarfen | Germany | Europe |
| | updated | 480 | Cockfield | United Kingdom | Europe |
| | updated | 479 | Sollies-Pont | France | Europe |
| | updated | 478 | Lamalou-les-Bains | France | Europe |
| | updated | 477 | Galleywood | United Kingdom | Europe |
| | updated | 476 | Grange Observatory, Bussoleno | Italy | Europe |
| | updated | 475 | Turin (before 1913) | Italy | Europe |
| | updated | 474 | Mount John Observatory, Lake Tekapo | New Zealand | Oceania |
| | updated | 473 | Remanzacco | Italy | Europe |
| | updated | 472 | Merlette | France | Europe |
| | updated | 471 | Houstrup |  Denmark | Europe |
| | updated | 470 | Ceccano | Italy | Europe |
| | updated | 469 | Courroux | Switzerland | Europe |
| | updated | 468 | Astronomical Observatory, Campo Catino | Italy | Europe |
| | updated | 467 | Auckland Observatory | New Zealand | Oceania |
| | updated | 466 | Mount Molehill Observatory, Auckland | New Zealand | Oceania |
| | updated | 465 | Takapuna | New Zealand | Oceania |
| | updated | 464 | Toby Point Observatory, Narragansett | United States of America | North America |
| | updated | 463 | Sommers-Bausch Observatory, Boulder | United States of America | North America |
| | updated | 462 | Mount Belleview Observatory | United States of America | North America |
| | updated | 461 | University of Szeged, Piszkéstető Stn. (Konkoly) | Hungary | Europe |
| | updated | 460 | Area 52 Observatory, Nashville | United States of America | North America |
| | updated | 459 | Smith River Observatory, Danbury | United States of America | North America |
| | updated | 458 | Guadarrama Observatory | Spain | Europe |
| | updated | 457 | Partizanske | Slovakia | Europe |
| | updated | 456 | Daventry Observatory | United Kingdom | Europe |
| | updated | 455 | CBA Concord | United States of America | North America |
| | updated | 454 | Maryland Space Grant Consortium Observatory | United States of America | North America |
| | updated | 453 | Edwards Raven Observatory | United States of America | North America |
| | updated | 452 | Big Cypress Observatory, Fort Lauderdale | United States of America | North America |
| | updated | 451 | West Skies Observatory, Mulvane | United States of America | North America |
| | updated | 450 | Carla Jane Observatory, Charlotte | United States of America | North America |
| | updated | 449 | Griffin Hunter Observatory, Bethune | United States of America | North America |
| | updated | 448 | Desert Moon Observatory, Las Cruces | United States of America | North America |
| | updated | 447 | Centennial Observatory | United States of America | North America |
| | updated | 446 | Kingsnake Observatory, Seguin | United States of America | North America |
| | updated | 445 | Observatorio d'Ontinyent | Spain | Europe |
| | updated | 444 | Star Cruiser Observatory | United States of America | North America |
| | updated | 443 | Obs. Astronomico Plomer, Buenos Aires | Argentina | South America |
| | updated | 442 | Gualba Observatory | Spain | Europe |
| | updated | 441 | Swilken Brae, St. Andrews | United Kingdom | Europe |
| | updated | 440 | Elginfield Observatory | Canada | North America |
| | updated | 439 | ROTSE-III, Los Alamos | United States of America | North America |
| | updated | 438 | Smith College Observatory, Northampton | United States of America | North America |
| | updated | 437 | Haverford | United States of America | North America |
| | updated | 436 | Osservatorio di Livergnano | Italy | Europe |
| | updated | 435 | G. Colombo Astronomical Observatory, Padua | Italy | Europe |
| | updated | 433 | Bagnall Beach Observatory | Australia | Oceania |
| | updated | 432 | Boambee | Australia | Oceania |
| | updated | 431 | Mt. Tarana Observatory, Bathurst | Australia | Oceania |
| | updated | 430 | Rainbow Observatory, near Coonabarabran | Australia | Oceania |
| | updated | 429 | Hawker | Australia | Oceania |
| | updated | 428 | Reedy Creek | Australia | Oceania |
| | updated | 427 | Stockport | Australia | Oceania |
| | updated | 426 | Woomera | Australia | Oceania |
| | updated | 425 | Taylor Range Observatory, Brisbane | Australia | Oceania |
| | updated | 424 | Macquarie | Australia | Oceania |
| | updated | 423 | North Ryde | Australia | Oceania |
| | updated | 422 | Loomberah | Australia | Oceania |
| | updated | 421 | Mt. Kajigamori, Otoyo | Japan | Asia |
| | updated | 420 | Sydney | Australia | Oceania |
| | updated | 419 | Windsor | Australia | Oceania |
| | updated | 418 | Tamworth | Australia | Oceania |
| | updated | 417 | Yanagida Astronomical Observatory | Japan | Asia |
| | updated | 416 | Barton | Australia | Oceania |
| | updated | 415 | Kambah | Australia | Oceania |
| | updated | 414 | Mount Stromlo | Australia | Oceania |
| | updated | 412 | Iwaki | Japan | Asia |
| | updated | 411 | Oizumi | Japan | Asia |
| | updated | 410 | Sengamine | Japan | Asia |
| | updated | 409 | Kiyose and Mizuho | Japan | Asia |
| | updated | 408 | Nyukasa | Japan | Asia |
| | updated | 407 | Kahoku | Japan | Asia |
| | updated | 406 | Bibai | Japan | Asia |
| | updated | 405 | Kamihoriguchi | Japan | Asia |
| | updated | 404 | Yamamoto | Japan | Asia |
| | updated | 403 | Kani | Japan | Asia |
| | updated | 402 | Dynic Astronomical Observatory | Japan | Asia |
| | updated | 401 | Oosato | Japan | Asia |
| | updated | 400 | Kitami | Japan | Asia |
| | updated | 399 | Kushiro | Japan | Asia |
| | updated | 398 | Nagatoro | Japan | Asia |
| | updated | 397 | Sapporo Science Center | Japan | Asia |
| | updated | 396 | Asahikawa | Japan | Asia |
| | updated | 395 | Tokyo-Asahikawa | Japan | Asia |
| | updated | 394 | JCPM Hamatonbetsu Station | Japan | Asia |
| | updated | 393 | JCPM Sakura Station | Japan | Asia |
| | updated | 392 | JCPM Sapporo Station | Japan | Asia |
| | updated | 391 | Sendai Observatory, Ayashi Station | Japan | Asia |
| | updated | 390 | Utsunomiya | Japan | Asia |
| | updated | 389 | Tokyo (before 1938) | Japan | Asia |
| | updated | 388 | Tokyo-Mitaka | Japan | Asia |
| | updated | 387 | Tokyo-Dodaira | Japan | Asia |
| | updated | 386 | Yatsugatake-Kobuchizawa | Japan | Asia |
| | updated | 385 | Nihondaira Observatory | Japan | Asia |
| | updated | 384 | Shimada | Japan | Asia |
| | updated | 383 | Chirorin | Japan | Asia |
| | updated | 382 | Tokyo-Norikura | Japan | Asia |
| | updated | 381 | Tokyo-Kiso | Japan | Asia |
| | updated | 380 | Ishiki | Japan | Asia |
| | updated | 379 | Hamamatsu-Yuto | Japan | Asia |
| | updated | 377 | Kwasan Observatory, Kyoto | Japan | Asia |
| | updated | 376 | Uenohara | Japan | Asia |
| | updated | 375 | Uzurano | Japan | Asia |
| | updated | 374 | Minami-Oda Observatory | Japan | Asia |
| | updated | 373 | Oishi | Japan | Asia |
| | updated | 372 | Geisei | Japan | Asia |
| | updated | 371 | Tokyo-Okayama | Japan | Asia |
| | updated | 370 | Kochi | Japan | Asia |
| | updated | 369 | Chichibu | Japan | Asia |
| | updated | 368 | Ochiai | Japan | Asia |
| | updated | 367 | Yatsuka | Japan | Asia |
| | updated | 366 | Miyasaka Observatory | Japan | Asia |
| | updated | 365 | Uto Observatory | Japan | Asia |
| | updated | 364 | YCPM Kagoshima Station | Japan | Asia |
| | updated | 363 | Yamada | Japan | Asia |
| | updated | 362 | Ray Observatory | Japan | Asia |
| | updated | 361 | Sumoto | Japan | Asia |
| | updated | 360 | Kuma Kogen | Japan | Asia |
| | updated | 359 | Wakayama | Japan | Asia |
| | updated | 358 | Nanyo | Japan | Asia |
| | updated | 357 | Shimotsuma | Japan | Asia |
| | updated | 356 | Kogota | Japan | Asia |
| | updated | 355 | Hadano | Japan | Asia |
| | updated | 354 | Kawachi | Japan | Asia |
| | updated | 353 | Nishi Kobe | Japan | Asia |
| | updated | 352 | Konan | Japan | Asia |
| | updated | 351 | Sakamoto | Japan | Asia |
| | updated | 350 | Kurohone | Japan | Asia |
| | updated | 349 | Ageo | Japan | Asia |
| | updated | 348 | Ayabe | Japan | Asia |
| | updated | 347 | Utsunomiya-Imaizumi | Japan | Asia |
| | updated | 346 | KNUE Astronomical Observatory | South Korea | Asia |
| | updated | 345 | Sobaeksan Optical Astronomy Observatory | South Korea | Asia |
| | updated | 344 | Bohyunsan Optical Astronomy Observatory | South Korea | Asia |
| | updated | 343 | Younchun | South Korea | Asia |
| | updated | 342 | Shishikui | Japan | Asia |
| | updated | 341 | Akashina | Japan | Asia |
| | updated | 340 | Toyonaka | Japan | Asia |
| | updated | 337 | Sheshan | China | Asia |
| | updated | 334 | Tsingtao | China | Asia |
| | updated | 333 | Desert Eagle Observatory | United States of America | North America |
| | updated | 330 | Purple Mountain Observatory, Nanking | China | Asia |
| | updated | 324 | Peking Observatory, Shaho Station | China | Asia |
| | updated | 321 | Craigie | Australia | Oceania |
| | updated | 320 | Chiro Observatory | Australia | Oceania |
| | updated | 319 | Perth Observatory, Perth-Lowell Telescope | Australia | Oceania |
| | updated | 318 | Quinns Rock | Australia | Oceania |
| | updated | 312 | Tsingtao field station, Xisha Islands | China | Asia |
| | updated | 307 | Shattuck Observatory, Hanover | United States of America | North America |
| | updated | 306 | Observatorio Taya Beixo, Barquisimeto |  Venezuela | South America |
| | updated | 305 | Purple Mountain, Hainan Island station | China | Asia |
| | updated | 303 | OAN de Llano del Hato, Mérida | Venezuela | South America |
| | updated | 302 | University of the Andes station | Venezuela | South America |
| | updated | 301 | Mont Megantic | Canada | North America |
| | updated | 300 | Bisei Spaceguard Center-BATTeRS | Japan | Asia |
| | updated | 299 | Bosscha Observatory, Lembang | Indonesia | Asia |
| | updated | 298 | Van Vleck Observatory | United States of America | North America |
| | updated | 297 | Middlebury | United States of America | North America |
| | updated | 296 | Dudley Observatory, Albany (after 1893) | United States of America | North America |
| | updated | 295 | Catholic University Observatory, Washington | United States of America | North America |
| | updated | 294 | Astrophysical Obs., College of Staten Island | United States of America | North America |
| | updated | 293 | Burlington remote site | United States of America | North America |
| | updated | 292 | Burlington, New Jersey | United States of America | North America |
| | updated | 290 | Mt. Graham-VATT | United States of America | North America |
| | updated | 289 | Nancy Grace Roman Space Telescope | Space | Space |
| | updated | 288 | Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer (SPHEREx) | Space | Space |
| | updated | 286 | Yunnan Observatory | China | Asia |
| | updated | 285 | Flammarion Observatory, Juvisy | France | Europe |
| | updated | 284 | Driesen | Poland | Europe |
| | updated | 283 | Bremen | Germany | Europe |
| | updated | 282 | Nîmes | France | Europe |
| | updated | 281 | Bologna | Italy | Europe |
| | updated | 280 | Lilienthal | Germany | Europe |
| | updated | 279 | Seeberg Observatory, Gotha (1787-1857) | Germany | Europe |
| | updated | 278 | Peking, Transit of Venus site | China | Asia |
| | updated | 277 | Royal Observatory, Blackford Hill, Edinburgh | United Kingdom | Europe |
| | updated | 276 | Płońsk | Poland | Europe |
| | updated | 270 | Unistellar Network, Roving Observer | Rover | Rover |
| | updated | 269 | Magellan-Baade Telescope | Chile | South America |
| | updated | 268 | Magellan-Clay Telescope | Chile | South America |
| | updated | 261 | Palomar Mountain-DSS | United States of America | North America |
| | updated | 260 | Siding Spring Observatory-DSS | Australia | Oceania |
| | updated | 258 | Gaia | Space | Space |
| | updated | 248 | Hipparcos | Space | Space |
| | updated | 244 | Geocentric Occultation Observation | Rover | Rover |
| | updated | 243 | Umbrella Observatory, Fredenbeck | Germany | Europe |
| | updated | 242 | Varennes | France | Europe |
| | updated | 241 | Schaerding | Austria | Europe |
| | updated | 240 | Herrenberg Sternwarte | Germany | Europe |
| | updated | 239 | Trebur | Germany | Europe |
| | updated | 238 | Grorudalen Optical Observatory | Norway | Europe |
| | updated | 237 | Baugy | France | Europe |
| | updated | 236 | Tomsk | Russia | Europe |
| | updated | 235 | CAST Observatory, Talmassons | Italy | Europe |
| | updated | 234 | Coddenham Observatory | United Kingdom | Europe |
| | updated | 233 | Sauro Donati Astronomical Observatory, San Vito | Italy | Europe |
| | updated | 232 | Masquefa Observatory | Spain | Europe |
| | updated | 231 | Vesqueville | Belgium | Europe |
| | updated | 230 | Mt. Wendelstein Observatory | Germany | Europe |
| | updated | 229 | G. C. Gloriosi Astronomical Observatory, Salerno | Italy | Europe |
| | updated | 228 | Bruno Zugna Observatory, Trieste | Slovenia | Europe |
| | updated | 227 | OrbitJet Observatory, Colden | United States of America | North America |
| | updated | 226 | Guido Ruggieri Observatory, Padua | Italy | Europe |
| | updated | 225 | Northwood Ridge Observatory | United States of America | North America |
| | updated | 224 | Ottmarsheim | France | Europe |
| | updated | 223 | Madras | India | Asia |
| | updated | 222 | Yerres-Canotiers | France | Europe |
| | updated | 221 | IAS Observatory, Hakos | Namibia | Africa |
| | updated | 220 | Vainu Bappu Observatory, Kavalur | India | Asia |
| | updated | 219 | Japal-Rangapur | India | Asia |
| | updated | 218 | Hyderabad | India | Asia |
| | updated | 217 | Assah | Kazakhstan | Asia |
| | updated | 216 | Observatoire des Côte de Meuse | France | Europe |
| | updated | 215 | Buchloe | Germany | Europe |
| | updated | 214 | Garching Observatory | Germany | Europe |
| | updated | 213 | Observatorio Montcabre | Spain | Europe |
| | updated | 212 | Observatorio La Dehesilla | Spain | Europe |
| | updated | 211 | Scandicci | Italy | Europe |
| | updated | 210 | Alma-Ata | Kazakhstan | Asia |
| | updated | 208 | Rivalta | Italy | Europe |
| | updated | 207 | Osservatorio Antonio Grosso | Italy | Europe |
| | updated | 206 | Haagaar Observatory, Eina | Norway | Europe |
| | updated | 205 | Obs. Casalecchio di Reno, Bologna | Italy | Europe |
| | updated | 203 | GiaGa Observatory | Italy | Europe |
| | updated | 202 | Tamaris Observatoire, La Seyne sur Mer | France | Europe |
| | updated | 201 | Jonathan B. Postel Observatory | Italy | Europe |
| | updated | 200 | Beersel Hills Observatory | Belgium | Europe |
| | updated | 199 | Telescope Jean-Marc Salomon, Buthiers | France | Europe |
| | updated | 198 | Wildberg | Germany | Europe |
| | updated | 197 | Bastia | Italy | Europe |
| | updated | 196 | Homburg-Erbach | Germany | Europe |
| | updated | 195 | Untermenzing Observatory, Munich | Germany | Europe |
| | updated | 194 | Tivoli | Namibia | Africa |
| | updated | 193 | Sanglok |  Tajikistan | Asia |
| | updated | 192 | Tashkent |  Uzbekistan | Asia |
| | updated | 191 | Dushanbe | Tajikistan | Asia |
| | updated | 190 | Gissar | Tajikistan | Asia |
| | updated | 189 | Geneva (before 1967) | Switzerland | Europe |
| | updated | 188 | Maidanak | Uzbekistan | Asia |
| | updated | 187 | Astronomical Observatory, Borowiec | Poland | Europe |
| | updated | 186 | Kitab | Uzbekistan | Asia |
| | updated | 185 | Observatoire Astronomique Jurassien-Vicques | Switzerland | Europe |
| | updated | 184 | Valmeca Observatory, Puimichel | France | Europe |
| | updated | 183 | Starlab Observatory, Karachay-Cherkessia | Russia | Europe |
| | updated | 182 | St. Paul, Réunion | France | Europe |
| | updated | 181 | Observatoire des Makes, Saint-Louis | France | Europe |
| | updated | 180 | Mauguio | France | Europe |
| | updated | 179 | Monte Generoso | Italy | Europe |
| | updated | 178 | Collonges | France | Europe |
| | updated | 177 | Le Cres | France | Europe |
| | updated | 176 | Observatorio Astronómico de Consell | Spain | Europe |
| | updated | 175 | F.-X. Bagnoud Observatory, St-Luc | Switzerland | Europe |
| | updated | 174 | Nyrölä Observatory, Jyväskylä | Finland | Europe |
| | updated | 173 | St. Clotilde, Réunion | France | Europe |
| | updated | 172 | Onnens | Switzerland | Europe |
| | updated | 171 | Flarestar Observatory, San Gwann | Malta | Europe |
| | updated | 170 | Observatorio de Begues | Spain | Europe |
| | updated | 169 | Airali Observatory | Italy | Europe |
| | updated | 168 | Kourovskaya | Russia | Europe |
| | updated | 167 | Bülach Observatory | Switzerland | Europe |
| | updated | 166 | Upice | Czechia | Europe |
| | updated | 165 | Piera Observatory, Barcelona | Spain | Europe |
| | updated | 164 | St. Michel sur Meurthe | France | Europe |
| | updated | 163 | Roeser Observatory, Luxembourg | Luxembourg | Europe |
| | updated | 162 | Potenza | Italy | Europe |
| | updated | 161 | Cerrina Tololo Observatory | Italy | Europe |
| | updated | 160 | Castelmartini | Italy | Europe |
| | updated | 159 | Monte Agliale | Italy | Europe |
| | updated | 158 | Promiod | Italy | Europe |
| | updated | 157 | Frasso Sabino | Italy | Europe |
| | updated | 156 | Catania Astrophysical Observatory | Italy | Europe |
| | updated | 155 | Ole Romer Observatory, Aarhus | Denmark | Europe |
| | updated | 154 | Cortina | Italy | Europe |
| | updated | 153 | Stuttgart-Hoffeld | Germany | Europe |
| | updated | 152 | Moletai Astronomical Observatory | Lithuania | Europe |
| | updated | 151 | Eschenberg Observatory, Winterthur | Switzerland | Europe |
| | updated | 150 | Maisons Laffitte | France | Europe |
| | updated | 149 | Beine-Nauroy | France | Europe |
| | updated | 148 | Guitalens | France | Europe |
| | updated | 147 | Osservatorio Astronomico di Suno | Italy | Europe |
| | updated | 146 | Frignano | Italy | Europe |
| | updated | 145 | 's-Gravenwezel | Belgium | Europe |
| | updated | 144 | Bray et Lu | France | Europe |
| | updated | 143 | Gnosca | Switzerland | Europe |
| | updated | 142 | Sinsen | Germany | Europe |
| | updated | 141 | Hottviller | France | Europe |
| | updated | 140 | Augerolles | France | Europe |
| | updated | 139 | Antibes | France | Europe |
| | updated | 138 | Village-Neuf | France | Europe |
| | updated | 137 | Givatayim Observatory | Israel | Asia |
| | updated | 136 | Engelhardt Observatory, Kasan | Russia | Europe |
| | updated | 135 | Kasan | Russia | Europe |
| | updated | 134 | Groszschwabhausen | Germany | Europe |
| | updated | 133 | Les Tardieux | France | Europe |
| | updated | 132 | Bedoin | France | Europe |
| | updated | 131 | Observatoire de l'Ardeche | France | Europe |
| | updated | 130 | Lumezzane | Italy | Europe |
| | updated | 129 | Ordubad |  Azerbaijan | Asia |
| | updated | 128 | Saratov | Russia | Europe |
| | updated | 127 | Bornheim | Germany | Europe |
| | updated | 126 | Monte Viseggi L. Zannoni Observatory, La Spezia | Italy | Europe |
| | updated | 125 | Tbilisi |  Georgia | Europe |
| | updated | 124 | Castres | France | Europe |
| | updated | 123 | Byurakan | Armenia | Europe |
| | updated | 122 | Pises Observatory | France | Europe |
| | updated | 121 | Kharkiv University, Chuhuivskyi district Station | Ukraine | Europe |
| | updated | 120 | Višnjan | Croatia | Europe |
| | updated | 119 | Abastuman | Georgia | Europe |
| | updated | 118 | Astronomical and Geophysical Observatory, Modra | Slovakia | Europe |
| | updated | 117 | Sendling | Germany | Europe |
| | updated | 116 | Giesing | Germany | Europe |
| | updated | 115 | Zelenchukskaya | Russia | Europe |
| | updated | 114 | Engelhardt Observatory, Zelenchukskaya Station | Russia | Europe |
| | updated | 113 | Volkssternwarte Drebach, Schoenbrunn | Germany | Europe |
| | updated | 112 | Pleiade Observatory, Verona | Italy | Europe |
| | updated | 111 | Piazzano Observatory, Florence | Italy | Europe |
| | updated | 110 | Rostov | Russia | Europe |
| | updated | 109 | Algiers-Kouba |  Algeria | Africa |
| | updated | 108 | Montelupo | Italy | Europe |
| | updated | 107 | Cavezzo | Italy | Europe |
| | updated | 106 | Črni Vrh | Slovenia | Europe |
| | updated | 105 | Moscow | Russia | Europe |
| | updated | 104 | San Marcello Pistoiese | Italy | Europe |
| | updated | 103 | Ljubljana | Slovenia | Europe |
| | updated | 102 | Zvenigorod | Russia | Europe |
| | updated | 101 | Kharkiv | Ukraine | Europe |
| | updated | 100 | Ähtäri | Finland | Europe |
| | updated | 099 | Lahti | Finland | Europe |
| | updated | 097 | Wise Observatory, Mitzpeh Ramon | Israel | Asia |
| | updated | 096 | Merate | Italy | Europe |
| | updated | 095 | Crimea-Nauchnyi | Ukraine | Europe |
| | updated | 094 | Crimea-Simeiz | Ukraine | Europe |
| | updated | 093 | Skibotn | Norway | Europe |
| | updated | 092 | Torun-Piwnice | Poland | Europe |
| | updated | 091 | Observatoire de Nurol, Aurec sur Loire | France | Europe |
| | updated | 090 | Mainz | Germany | Europe |
| | updated | 088 | Kottomia | Egypt | Africa |
| | updated | 087 | Helwan | Egypt | Africa |
| | updated | 086 | Odesa | Ukraine | Europe |
| | updated | 085 | Kyiv | Ukraine | Europe |
| | updated | 084 | Pulkovo | Russia | Europe |
| | updated | 083 | Holosiivskyi district-Kyiv | Ukraine | Europe |
| | updated | 082 | St. Pölten | Austria | Europe |
| | updated | 081 | Leiden Station, Johannesburg | South Africa | Africa |
| | updated | 080 | Istanbul | Turkey | Asia |
| | updated | 079 | Radcliffe Observatory, Pretoria | South Africa | Africa |
| | updated | 078 | Johannesburg | South Africa | Africa |
| | updated | 077 | Yale-Columbia Station, Johannesburg | South Africa | Africa |
| | updated | 076 | Johannesburg-Hartbeespoort | South Africa | Africa |
| | updated | 075 | Tartu | Estonia | Europe |
| | updated | 074 | Boyden Observatory, Bloemfontein | South Africa | Africa |
| | updated | 073 | Bucharest | Romania | Europe |
| | updated | 072 | Scheuren Observatory | Germany | Europe |
| | updated | 071 | NAO Rozhen, Smolyan | Bulgaria | Europe |
| | updated | 070 | Vilnius (before 1939) | Lithuania | Europe |
| | updated | 069 | Baldone |  Latvia | Europe |
| | updated | 068 | Lviv Polytechnic Institute | Ukraine | Europe |
| | updated | 067 | Lviv University Observatory | Ukraine | Europe |
| | updated | 066 | Athens | Greece | Europe |
| | updated | 065 | Traunstein | Germany | Europe |
| | updated | 064 | Turku-Kevola | Finland | Europe |
| | updated | 063 | Turku-Tuorla | Finland | Europe |
| | updated | 062 | Turku | Finland | Europe |
| | updated | 061 | Uzhhorod | Ukraine | Europe |
| | updated | 060 | Warsaw-Ostrowik | Poland | Europe |
| | updated | 059 | Lomnický Štít | Slovakia | Europe |
| | updated | 058 | Kaliningrad | Russia | Europe |
| | updated | 057 | Belgrade | Republic of Serbia | Europe |
| | updated | 056 | Skalnaté Pleso | Slovakia | Europe |
| | updated | 055 | Cracow | Poland | Europe |
| | updated | 054 | Brorfelde | Denmark | Europe |
| | updated | 053 | Konkoly Observatory, Budapest (since 1933) | Hungary | Europe |
| | updated | 052 | Stockholm-Saltsjöbaden | Sweden | Europe |
| | updated | 051 | Royal Observatory, Cape of Good Hope | South Africa | Africa |
| | updated | 050 | Stockholm (before 1931) | Sweden | Europe |
| | updated | 049 | Uppsala-Kvistaberg | Sweden | Europe |
| | updated | 048 | Hradec Králové | Czechia | Europe |
| | updated | 047 | Poznań | Poland | Europe |
| | updated | 046 | Kleť Observatory, České Budějovice | Czechia | Europe |
| | updated | 045 | Vienna (since 1879) | Austria | Europe |
| | updated | 044 | Capodimonte Observatory, Naples | Italy | Europe |
| | updated | 043 | Asiago Astrophysical Observatory, Padua | Italy | Europe |
| | updated | 042 | Potsdam | Germany | Europe |
| | updated | 041 | Innsbruck | Austria | Europe |
| | updated | 040 | Lohrmann Institute, Dresden | Germany | Europe |
| | updated | 039 | Lund | Sweden | Europe |
| | updated | 038 | Trieste | Italy | Europe |
| | updated | 037 | Collurania Observatory, Teramo | Italy | Europe |
| | updated | 036 | Castel Gandolfo | Italy | Europe |
| | updated | 035 | Copenhagen | Denmark | Europe |
| | updated | 034 | Monte Mario Observatory, Rome | Italy | Europe |
| | updated | 032 | Jena | Germany | Europe |
| | updated | 031 | Sonneberg | Germany | Europe |
| | updated | 030 | Arcetri Observatory, Florence | Italy | Europe |
| | updated | 029 | Hamburg-Bergedorf | Germany | Europe |
| | updated | 028 | Würzburg | Germany | Europe |
| | updated | 027 | Milan | Italy | Europe |
| | updated | 026 | Berne-Zimmerwald | Switzerland | Europe |
| | updated | 025 | Stuttgart | Germany | Europe |
| | updated | 024 | Heidelberg-Königstuhl | Germany | Europe |
| | updated | 023 | Wiesbaden | Germany | Europe |
| | updated | 022 | Pino Torinese | Italy | Europe |
| | updated | 021 | Karlsruhe | Germany | Europe |
| | updated | 020 | Nice | France | Europe |
| | updated | 019 | Neuchâtel | Switzerland | Europe |
| | updated | 018 | Düsseldorf-Bilk | Germany | Europe |
| | updated | 017 | Hoher List | Germany | Europe |
| | updated | 016 | Besançon | France | Europe |
| | updated | 015 | Utrecht | Netherlands | Europe |
| | updated | 014 | Marseilles | France | Europe |
| | updated | 013 | Leiden | Netherlands | Europe |
| | updated | 012 | Uccle | Belgium | Europe |
| | updated | 011 | Wetzikon | Switzerland | Europe |
| | updated | 010 | Caussols | France | Europe |
| | updated | 009 | Berne-Uecht | Switzerland | Europe |
| | updated | 008 | Algiers-Bouzaréah | Algeria | Africa |
| | updated | 007 | Paris | France | Europe |
| | updated | 006 | Fabra Observatory, Barcelona | Spain | Europe |
| | updated | 005 | Meudon | France | Europe |
| | updated | 004 | Toulouse | France | Europe |
| | updated | 003 | Montpellier | France | Europe |
| | updated | 002 | Rayleigh | United Kingdom | Europe |
| | updated | 001 | Crowborough | United Kingdom | Europe |
| | updated | 000 | Greenwich | United Kingdom | Europe |
| 2025 September 15 | created | W37 | Transit Dreams Observatory-North, Hamburg NY | United States of America | North America |
| 2025 September 10 | created | R61 | Landete-Kea | Spain | Europe |
| 2025 September 02 | created | U62 | TransAstra TKO at SkiesAway | United States of America | North America |
| | created | S47 | Alfastar - Astroclubul Bucuresti | Bulgaria | Europe |
| | created | R60 | MonitorMyPlanet, Nerpio | Spain | Europe |
| 2025 August 25 | created | R62 | lama'stro, Le Genest-Saint-Isle | France | Europe |
| 2025 August 13 | created | R76 | LEPTINA-ONE, Estinnes-au-val | Belgium | Europe |
| | created | R59 | Camarasa Observatory, Astrocamp Nerpio | Spain | Europe |
| 2025 August 06 | created | R44 | Metis Trevinca Skies | Spain | Europe |
| | created | Q14 | Goto Astronomical Observatory in Yatsugatake | Japan | Asia |
| 2025 July 29 | created | R49 | Observatorio Villuercas-Navezuelas, Navezuelas (CC) | Spain | Europe |
| 2025 July 28 | created | S43 | StarBlazer Observatory, Bucharest | Romania | Europe |
| | created | R77 | Observatoire de l'étoile qui rit, St Martin de Londres | France | Europe |
| | created | R50 | Obsservatorio astronomico Orion, San Agustin del Pozo | Spain | Europe |
| 2025 July 23 | created | R83 | Observatoire Banon La Tuilerie, Banon | France | Europe |
| | created | R80 | Observatoire International de Beauvert | France | Europe |
| | created | R63 | Observatorio Sureste Estelar, Fuente Alamo | Spain | Europe |
| | created | R20 | LaMelira, Las Palmas de Gran Canaria | Spain | Europe |
| 2025 July 15 | created | X29 | Observatorio Astronómico Municipal de Funes | Argentina | South America |
| | created | S93 | INASAN-Kislovodsk Observatory | Russia | Europe |
| 2025 July 11 | created | W40 | Hampden-Sydney Observatory | United States of America | North America |
| 2025 July 09 | created | R95 | Fiammetta Observatory, La Spezia | Italy | Europe |
| | created | R79 | Observatoire Hubert Reeves, Mars | France | Europe |
| 2025 July 07 | created | R13 | GOTO North | Spain | Europe |
| 2025 June 16 | created | R45 | Tycho Brahe, Trevinca | Spain | Europe |
| 2025 May 28 | created | X41 | Observatorio Protón-Protón, Longchamps | Argentina | South America |
| | created | S16 | ASI Matera Flyeye | Italy | Europe |
| | created | R88 | La Porte des Etoiles, Corgémont | Switzerland | Europe |
| | created | P69 | ChungBuk National University Observatory | South Korea | Asia |
| 2025 May 14 | created | N85 | Megrez-NAOC | China | Asia |
| 2025 May 13 | created | R86 | Mont-Soleil, Saint-Imier | Switzerland | Europe |
| 2025 May 09 | created | R67 | Chinon Private Observatory, Chinon | France | Europe |
| 2025 May 07 | created | M73 | Eden Emirates Observatory, Abu Dhabi | United Arab Emirates | Asia |
| 2025 April 30 | created | R64 | Steyning Observatory | United Kingdom | Europe |
| | created | 288 | Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer (SPHEREx) | Space | Space |
| 2025 April 24 | created | S86 | Alamri astronomical observatory | Saudi Arabia | Asia |
| 2025 April 22 | created | W43 | MT_Hope_Cavu, Otisville | United States of America | North America |
| | created | W41 | Anderson Observatory | United States of America | North America |
| | created | W39 | Robinson Observatory | United States of America | North America |
| | created | M69 | Emirates Astronomical Observatory L.L.C | United Arab Emirates | Asia |
| | created | 289 | Nancy Grace Roman Space Telescope | Space | Space |
| 2025 April 16 | created | S24 | Szilard Leo Observatory, Bujak | Hungary | Europe |
| | created | N53 | International Liquid Mirror Telescope | India | Asia |
| 2025 April 09 | created | R14 | VillaDeMazoElHoyo | Spain | Europe |
| 2025 April 02 | created | X76 | SUN Observatory, Redencao | Brazil | South America |
| | created | R17 | ATLAS-TDO | Spain | Europe |
| 2025 March 31 | created | R69 | SAT01-Mntlouis sur Loire | France | Europe |
| 2025 March 21 | created | R87 | Observatoire de la Cote d'Azur | France | Europe |
| 2025 March 19 | created | E52 | The Rock Regional Observatory, The Rock | Australia | Oceania |
| 2025 March 12 | created | E55 | GOTO South | Australia | Oceania |
| | created | 271 | Australia Telescope Compact Array, W196 reduction, DSS 47 | Australia | Oceania |
| | created | 265 | Canberra DSS 43 | Australia | Oceania |
| | created | 264 | Canberra DSS 36 | Australia | Oceania |
| | created | 263 | Canberra DSS 35 | Australia | Oceania |
| 2025 March 03 | created | S30 | Zenit, Hajduboszormeny | Hungary | Europe |
| 2025 February 28 | created | M01 | Weizmann Astrophysical Observatory | Israel | Asia |
| 2025 February 26 | created | P62 | Jeonbuk Science High School Observatory | South Korea | Asia |
| | created | O38 | Purple Mountain Observatory, Dayao | China | Asia |
| 2025 February 25 | created | M67 | Kolobov Observatory, Magnitogorsk | Russia | Europe |
| | created | E86 | Speranza Observatory, Otaki | New Zealand | Oceania |
| 2025 February 19 | created | O57 | ROP KKN Observatory | Thailand | Asia |
| | created | M72 | AUTH Astronomical Station, Cyprus | Cyprus | Europe |
| | created | M71 | AUTH Astronomical Station, Noesis | Greece | Europe |
| 2025 February 14 | created | X21 | RoSaMund Obervatory - DSC, Rio Hurtado | Chile | South America |
| | created | P41 | Merak, NAOC | China | Asia |
| 2025 February 12 | created | Y68 | Two-meter Twin Telescope, TTT3 | Spain | Europe |
| 2025 February 05 | created | V56 | Stonehenge Observatory, Novice | United States of America | North America |
| 2025 January 29 | created | D99 | AstroKoT, Port-Ste-Marie | France | Europe |
| 2025 January 22 | created | D77 | TD-TRO (Tuscany Remote Observatory) | Italy | Europe |
| | created | D69 | JMU Space-Observatory | Germany | Europe |
| 2025 January 15 | created | W44 | Duo Ursi de Saltu, Scarsdale | United States of America | North America |
| | created | D76 | AAT-Terrassa, Terrassa | Spain | Europe |
| 2025 January 08 | created | V75 | Live Oak Observatory, Lake Jackson | United States of America | North America |
| | created | D68 | Osservatorio Galileo, Padova | Italy | Europe |
| | created | D66 | Civico Osservatorio Astronomico di Rozzano | Italy | Europe |
| 2025 January 02 | created | Y76 | Observatorio NovaCanet, Canet de Berenguer | Spain | Europe |
| | created | X20 | BOOTES-7, San Pedro Atacama | Chile | South America |
| | created | U86 | BOOTES-5, Bajo California | Mexico | North America |
| | created | O39 | BOOTES-4, Lijiang | China | Asia |
| | created | M70 | BOOTES-6, Bloemfontein | South Africa | Africa |
| | created | M00 | Viestikallio, Artjarvi | Finland | Europe |
| 2024 December 11 | created | W45 | Benito Loyola Observatory, Virginia Beach | United States of America | North America |
| | created | E29 | Mardella Observatory | Australia | Oceania |
| | created | D65 | G. Beltrame, Arcugnano Vicenza | Italy | Europe |
| 2024 November 22 | created | Y71 | Makroskooppi, Fregenal de la Sierra | Spain | Europe |
| | created | O56 | Jaichalad-Pailin Observatory, Nakhonratchasima | Thailand | Asia |
| | created | D59 | MARIAMIR, Saint-Jeannet | France | Europe |
| 2024 November 20 | created | V57 | Starfront Observatories, Rockwood | United States of America | North America |
| | created | U99 | BCC Observatory, Black Canyon City | United States of America | North America |
| 2024 November 06 | created | Q22 | SNX-NET, Moorook | Australia | Oceania |
| | created | D71 | ObservaSTYRium, Stainz bei Straden | Austria | Europe |
| | created | D56 | Osservatorio Sideris Oculus, San Pietro in Gu | Italy | Europe |
| 2024 October 30 | created | W05 | Tree Gate Farm Observatory, Starkville | United States of America | North America |
| | created | D73 | SNX-NET, Hakos | Namibia | Africa |
| 2024 October 23 | created | M66 | SNX-NET, Prodromos | Cyprus | Europe |
| 2024 October 22 | created | Y77 | Cotos de Monterrey, Venturada | Spain | Europe |
| | created | Y63 | SNX-NET, Oukaïmeden | Morocco | Africa |
| | created | W47 | SNX-NET, Rio Hurtado | Chile | South America |
| 2024 October 16 | created | T02 | SNX-NET, Wailuku | United States of America | North America |
| | created | N94 | Altay Astronomical Observatory | China | Asia |
| | created | D72 | WAA Remote Observatory, Hakos | Namibia | Africa |
| 2024 October 15 | created | Q71 | SNX-NET, Siding Spring | Australia | Oceania |
| 2024 October 09 | created | X19 | Santel Observatory, El Leoncito | Argentina | South America |
| 2024 September 26 | created | Y78 | Tros Alt | Spain | Europe |
| | created | V44 | Coyote Watcher, Pie Town | United States of America | North America |
| 2024 September 19 | created | Y79 | Observatoire de la grande vallee, Etriac | France | Europe |
| | created | D52 | ULU Observatory, Caselle Landi | Italy | Europe |
| 2024 September 04 | created | M77 | Mezmay Comet Search Center | Russia | Europe |
| 2024 August 29 | created | X91 | Orion-Colesanti observatory, Mairinque | Brazil | South America |
| | created | D51 | Plateau Astronomique La Couronne | France | Europe |
| 2024 August 22 | created | O55 | Telok Kemang Observatory, Port Dickson | Indonesia | Asia |
| 2024 August 09 | created | Y80 | Brenehuen, Grand-Champ | France | Europe |
| | created | Q73 | Buckthorn, Thornton | Australia | Oceania |
| 2024 August 03 | created | P38 | Checheng Elementary School Observatory, Checheng | Taiwan | Asia |
| 2024 August 01 | created | M75 | Online observatory, Peschany | Russia | Europe |
| | created | M68 | School 1502 Rooftop Observatory, Moscow | Russia | Europe |
| | created | D50 | Vaucluse Observatoire Celeste, Blauvac | France | Europe |
| 2024 July 31 | created | E62 | Slooh.com Australia Observatory, Coonabarabran | Australia | Oceania |
| 2024 July 30 | created | X86 | Ottoservatorio, Tatui | Brazil | South America |
| 2024 July 06 | created | M12 | Puschino | Russia | Europe |
| | created | D98 | Loiano TANDEM | Italy | Europe |
| | created | D49 | L'Ametlla de Mar | Spain | Europe |
| 2024 June 28 | created | Y81 | Forthimage, Edinburgh | United Kingdom | Europe |
| | created | D75 | Cariati | Italy | Europe |
| 2024 June 13 | created | Y70 | ApolloIV5, Fregenal de la Sierra | Spain | Europe |
| 2024 June 07 | created | Y67 | High Atlas Window to the Kosmos, Oukaimeden | Morocco | Africa |
| | created | W51 | Custer Institute and Observatory | United States of America | North America |
| 2024 May 23 | created | Y75 | Abraham Zacut, Salamanca | Spain | Europe |
| | created | D48 | Niederbexbach Observatory | Germany | Europe |
| 2024 May 16 | created | R78 | Crystal Lake Observatory, Ngutunui | New Zealand | Oceania |
| | created | P68 | Daejeon Dongsin Science Highschool Biryong Observatory | South Korea | Asia |
| 2024 May 02 | created | X18 | 6R-POL2, San Pedro de Atacama | Chile | South America |
| | created | C58 | NEO Surveyor | Space | Space |
| 2024 April 24 | created | Y82 | LPMR Observatory, Broad Chalke | United Kingdom | Europe |
| | created | D47 | BigBang Observatory, Manciano | Italy | Europe |
| 2024 April 23 | created | Y83 | Observatorio Arcosur, Zaragoza | Spain | Europe |
| 2024 April 14 | created | D60 | Sparky's Stars, Masseris | Italy | Europe |
| 2024 April 11 | created | M65 | Mustola Observatory, Lappeenranta | Finland | Europe |
| | created | D64 | Fucama, Casalincontrada | Italy | Europe |
| 2024 April 10 | created | Y84 | Observatoire de Bretagne | France | Europe |
| 2024 March 30 | created | D63 | G. Pascoli Observatory, Castelvecchio Pascoli (since June 2023) | Italy | Europe |
| 2024 March 19 | created | O41 | Choakanan Observatory, Lampang | Thailand | Asia |
| | created | O40 | Xingyuan, Daocheng | China | Asia |
| | created | N54 | Purple Mountain Observatory, Jiama'erdeng Station | China | Asia |
| 2024 March 14 | created | X17 | BlackGEM | Chile | South America |
| 2024 March 13 | created | Y86 | Observatorio de Seron | Spain | Europe |
| | created | Q20 | Swan Reach Imaging, Glenalta | Australia | Oceania |
| 2024 March 07 | created | P14 | Nedlands | Australia | Oceania |
| | created | P13 | Baihuashan Observatory, Beijing | China | Asia |
| | created | D46 | Observatory Bad Wurzach | Germany | Europe |
| | created | D45 | Kamyk, Trzesn | Poland | Europe |
| 2024 February 27 | created | Y96 | Observatorio de Vega del Codorno | Spain | Europe |
| 2024 February 25 | created | Y97 | Bommes Observatory, Bommes | France | Europe |
| | created | Y87 | Trevinca Skies-Amalthea, Trevinca | Spain | Europe |
| | created | D31 | Osservatorio Aldebaran, Rivalba | Italy | Europe |
| | created | D30 | Sternwarte Silbergraben, Erfurt | Germany | Europe |
| 2024 February 24 | created | M64 | Holbrook, Heathfield | United Kingdom | Europe |
| | created | D43 | 45th Parallel Observatory, Pino Torinese | Italy | Europe |
| 2024 February 17 | created | O54 | TSky Observatory, Chonburi | Thailand | Asia |
| | created | O53 | Pakchong, Nachonratchasima | Thailand | Asia |
| | created | O42 | Gaomeigu Gemini Observatory, LiJiang | China | Asia |
| | created | D42 | Piero Angela Observatory, Scandicci | Italy | Europe |
| | created | D41 | Osservatorio Astronomico Orciatico | Italy | Europe |
| | created | D40 | Frosinone | Italy | Europe |
| 2024 January 27 | created | W13 | Star Quarry Observatory, Bedford | United States of America | North America |
| | created | O52 | Astro820, Samut Prakan | Thailand | Asia |
| 2024 January 13 | created | V43 | Chiricahua Skies Observatory, Sunizona | United States of America | North America |
| 2024 January 10 | created | V92 | White County Observatory, Searcy | United States of America | North America |
| | created | N57 | YLT, NAOC | China | Asia |
| 2024 January 04 | created | D28 | Escaldarium Observatory, Caldes de Montbui | Spain | Europe |
| 2024 January 03 | created | Q06 | Tarui Observatory, Tarui | Japan | Asia |
| 2023 December 30 | created | D38 | Tecnosky Astropark, Felizzano | Italy | Europe |
| 2023 December 23 | created | 273 | Euclid | Space | Space |
| 2023 December 14 | created | V24 | Sonoran Desert Skies Observatory, Pearce | United States of America | North America |
| 2023 December 13 | created | Y99 | Observatorio del Lucero del Alba | Spain | Europe |
| 2023 November 30 | created | Y94 | LCB Lugueros observatory, Valdelugueros | Spain | Europe |
| | created | Y88 | ASERO, Valdin | Spain | Europe |
| 2023 November 23 | created | D27 | Observatoire de Fontcaude, Juvignac | France | Europe |
| 2023 November 10 | created | D26 | Peyrole Observatory, Peyrole | France | Europe |
| 2023 November 09 | created | D67 | Tula Rooftop Observatory, Tula | Russia | Europe |
| | created | D23 | Observatori Astronomic de l'Institut d'Alcarras, Alcarras | Spain | Europe |
| 2023 October 24 | created | M07 | Siek | Germany | Europe |
| 2023 October 21 | created | M63 | RPF Observatory, Gagliano del Capo | Italy | Europe |
| 2023 October 20 | created | X16 | Astronomia Sigma Octante, Cochabamba | Bolivia | South America |
| 2023 October 19 | created | X15 | ABYO, San Pedro de Atacama | Chile | South America |
| 2023 October 09 | created | M62 | Lajoux Observatory | Switzerland | Europe |
| | created | M61 | Observatory Moers Kapellen | Germany | Europe |
| 2023 October 04 | created | P61 | Jilin Observatory | China | Asia |
| 2023 October 03 | created | V42 | Dimension Point, Mayhill | United States of America | North America |
| 2023 September 08 | created | Y93 | Observatorio Azahar, Valoria la Buena | Spain | Europe |
| | created | O18 | WFST, Lenghu | China | Asia |
| 2023 September 07 | created | Y92 | JD Cassini, Piconcillo | Spain | Europe |
| | created | O46 | Daocheng Glacier Observatory | China | Asia |
| 2023 August 28 | created | M60 | Virgil Observatory, Loiano | Italy | Europe |
| 2023 August 25 | created | M59 | Rondchamp Observatory, Reconvilier | Switzerland | Europe |
| | created | M06 | PeLe's Observatory, Ager | Spain | Europe |
| 2023 August 21 | created | M58 | VdS Remote Observatory, Hakos | Namibia | Africa |
| | created | M08 | CHON, Stekene | Belgium | Europe |
| 2023 August 15 | created | Y95 | Pradillos Ferez | Spain | Europe |
| 2023 August 11 | created | M57 | Wide-field Mufara Telescope, Isnello | Italy | Europe |
| | created | M56 | Varedo | Italy | Europe |
| 2023 August 09 | created | V25 | Tortugas Mountain Observatory, Las Cruces | United States of America | North America |
| 2023 July 30 | created | X09 | Deep Random Survey, Rio Hurtado | Chile | South America |
| 2023 July 19 | created | U93 | Skygems Dreamscope Utah, Beryl Junction | United States of America | North America |
| | created | P21 | 6R-AUS1, Youndegin | Australia | Oceania |
| 2023 June 21 | created | X72 | Waccobs, Sao Leopoldo | Brazil | South America |
| 2023 June 18 | created | Y85 | Magalofes Observatory, Fene | Spain | Europe |
| | created | M13 | Lucie Berger Observatory, Strasbourg | France | Europe |
| 2023 June 07 | created | X60 | Guaraciaba Observatory | Brazil | South America |
| | created | X11 | VLT Survey Telescope, Paranal | Chile | South America |
| | created | M05 | Observatoire de la Nine, Canens | France | Europe |
| 2023 June 03 | created | M55 | Luckystar Observatory, Vazec | Slovakia | Europe |
| 2023 May 30 | created | Y05 | SONEAR Wykrota-CEAMIG, Serra da Piedade | Brazil | South America |
| 2023 May 12 | created | P63 | GSA Observatory, Gwangju | South Korea | Asia |
| 2023 May 04 | created | M54 | Observatoire Albireo de Biot | France | Europe |
| 2023 April 28 | created | M53 | CAS Observatory, Preetz | Germany | Europe |
| 2023 April 25 | created | M52 | Sassari | Italy | Europe |
| 2023 April 22 | created | Y64 | Transient Survey Telescope (TST), Teide | Spain | Europe |
| | created | M51 | Robert Mayer Sternwarte, Heilbronn | Germany | Europe |
| | created | M50 | Virtual Telescope Project, Manciano | Italy | Europe |
| 2023 April 21 | created | Y89 | Proxima Centauri Observatory, Valdin | Spain | Europe |
| | created | X08 | ShAO Chile station, El Sauce | Chile | South America |
| | created | M45 | Starhopper Observatory, Sfantu Gheorghe | Romania | Europe |
| 2023 April 06 | created | V54 | Observatoire LAURIER, El Marques | Mexico | North America |
| 2023 March 21 | created | X77 | Centro Astron. Nevoeiro, Antonio Olinto | Brazil | South America |
| 2023 March 20 | created | X07 | iTelescope Deep Sky Chile, Rio Hurtado | Chile | South America |
| 2023 March 12 | created | X10 | OVTLN, San Pedro de Atacama | Chile | South America |
| 2023 March 10 | created | M49 | IAS Remote Observatory, Hakos | Namibia | Africa |
| 2023 March 03 | created | X06 | Skygems Chile, Rio Hurtado | Chile | South America |
| 2023 March 01 | created | Y01 | SONEAR 2 Observatory, Belo Horizonte | Brazil | South America |
| 2023 February 28 | created | R56 | Scott Street Observatory, Lake Tekapo | New Zealand | Oceania |
| 2023 February 19 | created | M38 | Harsona Observatory, Nyiregyhaza | Hungary | Europe |
| 2023 February 13 | created | Y66 | Two-meter Twin Telescope, TTT2 | Spain | Europe |
| | created | W17 | Arrowhead, Sheridan | United States of America | North America |
| 2023 February 12 | created | Y65 | Two-meter Twin Telescope, TTT1 | Spain | Europe |
| 2023 February 09 | created | Y98 | Southside Observatory, Steeple Aston | United Kingdom | Europe |
| | created | U94 | iTelescope Observatory, Beryl Junction | United States of America | North America |
| 2023 January 18 | created | M14 | Schiaparelli Gallarate Station | Italy | Europe |
| 2023 January 16 | created | M48 | GAC - Via L. Sturzo Observatory, Catania | Italy | Europe |
| 2023 January 11 | created | W52 | US Naval Academy Hopper Hall Observatory | United States of America | North America |
| 2023 January 03 | created | T35 | Astronomical Society of Tahiti | French Polynesia | Oceania |
| 2022 December 26 | created | U98 | NAC Observatory, Benson | United States of America | North America |
| 2022 December 22 | created | W35 | Buffalo Creek Observatory, Nahunta | United States of America | North America |
| | created | P71 | Miryang Arirang Astronomical Observatory | South Korea | Asia |
| | created | O51 | Akin Observatory, Rayong | Thailand | Asia |
| 2022 December 17 | created | M39 | AUTH Observatory, Thessaloniki | Greece | Europe |
| 2022 December 14 | created | W57 | ESA TBT La Silla Observatory | Chile | South America |
| 2022 December 02 | created | Q10 | Toyokawa Observatory | Japan | Asia |
| 2022 December 01 | created | Y91 | Ras Algethi, Ronda | Spain | Europe |
| | created | P22 | LW-3, NAOC-Xinglong | China | Asia |
| 2022 November 22 | created | M37 | Astronomsko drustvo Nanos, Ajdovscina | Slovenia | Europe |
| 2022 November 21 | created | O68 | LW-2, NAOC-Zhongwei | China | Asia |
| | created | N83 | LW-1, NAOC-Korla | China | Asia |
| | created | M41 | Jeddah | Saudi Arabia | Asia |
| | created | M36 | Opicina, Trieste | Italy | Europe |
| 2022 November 19 | created | M40 | OSTS-NRIAG, Kottamia | Egypt | Africa |
| 2022 November 03 | created | V33 | Finlaystone Observatory, Angel Fire | United States of America | North America |
| 2022 October 20 | created | W59 | The Dark Side Observatory, Weatherly | United States of America | North America |
| 2022 October 19 | created | M35 | PS Observatory, Parjol | Romania | Europe |
| | created | M34 | AGO70, Astronomical Observatory, Modra | Slovakia | Europe |
| 2022 October 04 | created | T17 | W. M. Keck Observatory, Keck 2, Maunakea | United States of America | North America |
| | created | T16 | W. M. Keck Observatory, Keck 1, Maunakea | United States of America | North America |
| | created | T13 | NASA Infrared Telescope Facility, Maunakea | United States of America | North America |
| | created | T11 | United Kingdom Infrared Telescope, Maunakea | United States of America | North America |
| 2022 September 30 | created | X05 | Simonyi Survey Telescope, Rubin Observatory | Chile | South America |
| 2022 September 25 | created | W60 | AstroExplor Observatory, Tinjaca | Colombia | South America |
| 2022 September 24 | created | W24 | Shamrock Banks Observatory, Clare | United States of America | North America |
| | created | T15 | Gemini North Observatory, Maunakea | United States of America | North America |
| | created | N44 | Shache Station, Langan Village | China | Asia |
| 2022 September 08 | created | M32 | Sunny Transcarpathian, Mukachevo | Ukraine | Europe |
| 2022 September 06 | created | P37 | HuiWen High School Observatory, Taichung City | Taiwan | Asia |
| 2022 September 02 | created | X93 | Munhoz Observatory | Brazil | South America |
| 2022 September 01 | created | M31 | Ursa Havaintokeskus, Artjarvi | Finland | Europe |
| 2022 August 29 | created | W23 | Hevonen Farm Observatory, Oxford | United States of America | North America |
| 2022 August 26 | created | W69 | OLPH Observatory, Brooklyn | United States of America | North America |
| 2022 August 17 | created | P07 | Space Surveillance Telescope, HEH Station | Australia | Oceania |
| 2022 August 13 | created | X33 | OARU, Manaus | Brazil | South America |
| 2022 August 08 | created | M29 | O.M.Ni.A. Observatory, Cesena | Italy | Europe |
| 2022 August 02 | created | 274 | James Webb Space Telescope | Space | Space |
| 2022 July 19 | created | W58 | ALPHA Observatory, South Laurel | United States of America | North America |
| 2022 July 15 | created | Z00 | BOOTES-1, Mazagon | Spain | Europe |
| | created | W18 | Red Fox Observatory, Pendleton | United States of America | North America |
| 2022 July 12 | created | M28 | Lesedi Telescope-SAAO Observatory, Sutherland | South Africa | Africa |
| 2022 July 05 | created | X40 | Cielos de Banfield, Banfield | Argentina | South America |
| 2022 June 25 | created | W42 | Mind's Eye Observatory, Vero Beach | United States of America | North America |
| 2022 June 05 | created | M30 | Zeta Aquarii Observatory, Brasov | Romania | Europe |
| 2022 May 18 | created | M27 | Elijah Observatory, Lajatico | Italy | Europe |
| 2022 May 13 | created | M26 | Zen Observatory, Scandicci | Italy | Europe |
| 2022 May 09 | created | M24 | La Macchina del Tempo, Ardore Marina | Italy | Europe |
| 2022 May 04 | created | W15 | Wayne Observatory, Franklin | United States of America | North America |
| 2022 May 03 | created | O17 | Purple Mountain Observatory, Lenghu-1 | China | Asia |
| 2022 April 22 | created | M19 | Osservatorio Explorer, Pula | Croatia | Europe |
| 2022 April 19 | created | M23 | ELTE Gothard Observatory, Szombathely | Hungary | Europe |
| 2022 April 14 | created | X04 | MCD Observatory, Saint-Anaclet | Canada | North America |
| | created | M21 | Schiaparelli Southern Observatory, Hakos | Namibia | Africa |
| 2022 April 09 | created | V22 | Insight Remote Observatory, Pie Town | United States of America | North America |
| 2022 April 08 | created | M17 | SN1572 Tycho Observatory, La Spezia | Italy | Europe |
| 2022 March 26 | created | M20 | Polse di Cougnes Observatory, Zuglio | Italy | Europe |
| 2022 March 24 | created | V18 | MASTER-OAGH Observatory, Sonora | Mexico | North America |
| | created | M25 | Einarin Observatory, Tampere | Finland | Europe |
| | created | M11 | Novaastro Observatory, Banon | France | Europe |
| 2022 March 05 | created | 275 | Non-geocentric Occultation Observation | Rover | Rover |
| 2022 March 03 | created | M09 | Observatory Gromme - Oudsbergen | Belgium | Europe |
| 2022 March 01 | created | W64 | Red Lion Observatory, Southampton Twsp | United States of America | North America |
| 2022 February 16 | created | M04 | Pujalt Observatory, Barcelona | Spain | Europe |
| 2022 February 09 | created | Y90 | Observatorio ESTELIA, Ladines | Spain | Europe |
| | created | U75 | Newport Beach | United States of America | North America |
| | created | M16 | Osservatorio Il Coreggiolo | Italy | Europe |
| | created | M02 | Astropriorat Observatory | Spain | Europe |
| 2022 January 12 | created | Z04 | MAO, Ain Laqsab | Morocco | Africa |
| | created | W56 | Pineapple Observatory, Frederick | United States of America | North America |
| | created | U97 | JPL SynTrack Robotic Telescope 3, Flagstaff | United States of America | North America |
| | created | O47 | Yunling Observatory, Yunnan | China | Asia |
| | created | M18 | Koeditz | Germany | Europe |
| 2022 January 03 | created | M03 | Badalona Boreal | Spain | Europe |
| 2021 December 28 | created | M15 | Virgo Oservatory, Seveso | Italy | Europe |
| 2021 December 20 | created | V41 | Rapid City | United States of America | North America |
| 2021 December 12 | created | W48 | BKH Observatory, Chapel Hill | United States of America | North America |
| 2021 November 30 | created | W29 | Adena Brook Observatory, Columbus | United States of America | North America |
| 2021 November 25 | created | W09 | Willowed Plains Observatory, Manteno | United States of America | North America |
| | created | V21 | Cewanee Observatory at DSNM | United States of America | North America |
| 2021 November 17 | created | W68 | ATLAS Chile, Rio Hurtado | Chile | South America |
| | created | V17 | Leo Observatory, Tucson | United States of America | North America |
| | created | M22 | ATLAS South Africa, Sutherland | South Africa | Africa |
| 2021 November 11 | created | Q12 | Nagano Observatory | Japan | Asia |
| 2021 November 10 | created | Z01 | OWL-Net, Oukaïmeden | Morocco | Africa |
| | created | V15 | OWL-Net, Mt. Lemmon | United States of America | North America |
| | created | P72 | OWL-Net, Mt. Bohyun | South Korea | Asia |
| | created | P65 | OWL-Net, Daedeok | South Korea | Asia |
| | created | O72 | OWL-Net, Songino | Mongolia | Asia |
| | created | M33 | OWL-Net, Mitzpe Ramon | Israel | Asia |
| 2021 November 09 | created | O48 | Purple Mountain Observatory, Yaoan (0.8-m) | China | Asia |
| 2021 November 05 | created | V63 | Tara Observatory, Cherokee | United States of America | North America |
| 2021 October 23 | created | M10 | CPF Observatory, St Vallier de Thiey | France | Europe |
| 2021 October 22 | created | V27 | North Mesa Observatory, Los Alamos | United States of America | North America |
| 2021 October 16 | created | V62 | Live Oak Observatory, Pontotoc | United States of America | North America |
| | created | V40 | Divine Creation Observatory, Fort Davis | United States of America | North America |
| 2021 October 11 | created | Z28 | Northern Skygems Observatory, Nerpio | Spain | Europe |
| 2021 October 05 | created | D15 | Sternwarte F. Schiller-Gymnasium, Weimar | Germany | Europe |
| 2021 September 28 | created | U74 | JPL SynTrack Robotic Telescope 2, Auberry | United States of America | North America |
| | created | G00 | AZM Martinsberg, Oed | Austria | Europe |
| 2021 September 20 | created | R66 | Mooray Observatory, Christchurch | New Zealand | Oceania |
| 2021 September 13 | created | Z02 | HAO observatory, Oukaïmeden | Morocco | Africa |
| | created | V72 | JDP Observatory, Omaha | United States of America | North America |
| 2021 September 06 | created | K00 | Hanau | Germany | Europe |
| 2021 September 01 | created | G15 | Magroforte Observatory, Alessandria | Italy | Europe |
| 2021 August 25 | created | C59 | Yangwang-1 | Space | Space |
| 2021 August 24 | created | 270 | Unistellar Network, Roving Observer | Rover | Rover |
| 2021 August 09 | created | Z03 | Rio Cofio, Robledo de Chavela | Spain | Europe |
| 2021 August 03 | created | R65 | R. F. Joyce Observatory, Christchurch | New Zealand | Oceania |
| 2021 July 27 | created | Z31 | Tenerife Observatory-LCO A, Tenerife | Spain | Europe |
| 2021 July 16 | created | Z24 | Tenerife Observatory-LCO B, Tenerife | Spain | Europe |
| 2021 July 08 | created | G01 | Universitaetssternwarte Oldenburg | Germany | Europe |
| 2021 July 01 | created | Z05 | Observatorio Horus, Cartama | Spain | Europe |
| 2021 June 10 | created | G02 | KYSUCE Observatory, Kysucke Nove Mesto | Slovakia | Europe |
| 2021 May 29 | created | Q81 | Caloundra West | Australia | Oceania |
| 2021 May 08 | created | N86 | Xingming Observatory-KATS, Nanshan | China | Asia |
| 2021 May 06 | created | Q55 | SkyMapper, Siding Spring | Australia | Oceania |
| | created | G03 | Capricornus Observatory, Csokako | Hungary | Europe |
| 2021 May 03 | created | W53 | Hagerstown | United States of America | North America |
| | created | P48 | ASTEP, Concordia Station | Antarctica | Antarctica |
| 2021 May 02 | created | V58 | Medina Dome, Medina | United States of America | North America |
| | created | L92 | San Costantino | Italy | Europe |
| 2021 April 20 | created | G04 | Schuelerlabor Astronomie St. 7, Wuppertal | Germany | Europe |
| 2021 April 17 | created | U52 | Shasta Valley Observatory, Grenada | United States of America | North America |
| | created | L91 | Antares MTM Observatory, S. Donato | Italy | Europe |
| | created | L90 | ABObservatory, Rosarno | Italy | Europe |
| | created | G05 | Piconcillo, Sierra Morena | Spain | Europe |
| 2021 April 04 | created | G14 | Novaloop Observatory, Mougins | France | Europe |
| 2021 March 20 | created | W62 | Comet Hunter Observatory2, New Ringgold | United States of America | North America |
| 2021 March 16 | created | L89 | PAO, Prato | Italy | Europe |
| 2021 March 11 | created | N82 | Multa Observatory | Russia | Europe |
| 2021 February 09 | created | V13 | Little Moose Observatory, Timber Lakes | United States of America | North America |
| | created | L88 | Stazione Astronomica Le Pleiadi, Pantane | Italy | Europe |
| 2021 February 06 | created | Z06 | Marina Sky, Nerpio | Spain | Europe |
| 2021 February 01 | created | V61 | Shed of Science South, Pontotoc | United States of America | North America |
| | created | M44 | Al-Khatim Observatory, Abu Dhabi | United Arab Emirates | Asia |
| 2021 January 13 | created | M90 | Chervishevo | Russia | Europe |
| 2021 January 11 | created | M47 | Sharjah Observatory, Sharjah | United Arab Emirates | Asia |
| 2020 December 29 | created | W72 | Trumbull Observatory, Trumbull | United States of America | North America |
| 2020 December 28 | created | P18 | Birch Forest Observatory, LaBaGouMen | China | Asia |
| 2020 December 23 | created | L87 | Moonbase South Observatory, Hakos | Namibia | Africa |
| 2020 December 22 | created | N56 | Jiama'erdeng Tianwentai JIST project, Ali, Tibet | China | Asia |
| 2020 December 06 | created | M46 | Althuraya Astronomy Center, Dubai | United Arab Emirates | Asia |
| 2020 December 01 | created | P30 | Jiangnantianchi Observatory, Anji | China | Asia |
| 2020 November 19 | created | V74 | Katy Observatory, Katy | United States of America | North America |
| | created | L86 | Giordano Bruno Observatory, Brallo | Italy | Europe |
| | created | L85 | BiAnto Observatory, Lauria | Italy | Europe |
| 2020 November 14 | created | P31 | Starlight Observatory, Tianhuangping | China | Asia |
| | created | L78 | San Marco Observatory, Salerno | Italy | Europe |
| | created | L74 | AstroColauri, Naples | Italy | Europe |
| 2020 November 09 | created | Z07 | Ad Astra Sangos Observatory, Alhendin | Spain | Europe |
| 2020 October 29 | created | G13 | Astronomihagen, Fannrem | Norway | Europe |
| 2020 October 26 | created | G12 | Sternwarte EG, Lippstadt | Germany | Europe |
| 2020 October 23 | created | L73 | Beato Ermanno Observatory, Impruneta | Italy | Europe |
| 2020 October 13 | created | X70 | Observatorio OATU, Tupi Paulista | Brazil | South America |
| | created | Q70 | Glenlee Observatory, Glenlee | Australia | Oceania |
| | created | L70 | Zvjezdarnica Graberje, Zagreb | Croatia | Europe |
| | created | L69 | LaCaille Observatory, Pretoria | South Africa | Africa |
| 2020 September 21 | created | N51 | GROWTH India Telescope, IAO, Hanle | India | Asia |
| 2020 September 18 | created | T07 | ATLAS-MLO Auxiliary Camera, Mauna Loa | United States of America | North America |
| 2020 September 16 | created | W73 | Observatorio Astronomico de Moquegua, Carumas | Peru | South America |
| | created | N89 | Xingming Observatory #2, Nanshan | China | Asia |
| 2020 September 14 | created | X90 | Carina Observatory, Brasilia | Brazil | South America |
| 2020 September 12 | created | L77 | RDSS, Kovalevka | Russia | Europe |
| 2020 September 11 | created | X89 | Rocca Observatory, Brasilia | Brazil | South America |
| 2020 August 31 | created | G06 | Dordrecht, Sterrenburg | Netherlands | Europe |
| 2020 August 22 | created | Z08 | Telescope Live, Oria | Spain | Europe |
| | created | M42 | Emirates Observatory, Al Rahba | United Arab Emirates | Asia |
| | created | G16 | OmegaLab Observatory, Palermo | Italy | Europe |
| | created | G11 | Breitenweg Observatory, Herkenrath | Germany | Europe |
| 2020 July 29 | created | U65 | CWU Observatory, Ellensburg | United States of America | North America |
| 2020 July 24 | created | L93 | Garraf Observatory, Sant Pere de Ribes | Spain | Europe |
| 2020 July 22 | created | Z09 | Old Orchard Observatory, Fiddington | United Kingdom | Europe |
| 2020 July 20 | created | V32 | Canvas View New Mexico Skies, Mayhill | United States of America | North America |
| 2020 July 08 | created | L79 | BOSZA Observatory, Szalanta | Hungary | Europe |
| 2020 July 02 | created | G17 | BAS Observatory, Scandicci | Italy | Europe |
| 2020 June 23 | created | G18 | ALMO Observatory, Padulle | Italy | Europe |
| 2020 June 16 | created | W31 | Deerlick Observatory, Crawfordville | United States of America | North America |
| | created | V20 | Killer Rocks Observatory, Pie Town | United States of America | North America |
| | created | U77 | Rani Observatory, San Diego | United States of America | North America |
| | created | T10 | Submillimeter Array, Maunakea (SMA) | United States of America | North America |
| | created | Q02 | Sakai Observatory, Osaka | Japan | Asia |
| | created | L68 | PESCOPE, Port Elizabeth | South Africa | Africa |
| | created | G21 | Osservatorio Castrofilippo | Italy | Europe |
| 2020 June 02 | created | X12 | Observatorio Los Cabezones | Argentina | South America |
| 2020 June 01 | created | V94 | Cherokeeridge Observatory, Fort Madison | United States of America | North America |
| 2020 May 29 | created | U83 | Mount Laguna Observatory | United States of America | North America |
| | created | L66 | MeerLICHT-1, Sutherland | South Africa | Africa |
| 2020 May 27 | created | Z10 | PGC, Fregenal de la Sierra | Spain | Europe |
| 2020 May 16 | created | V19 | Whiskey Creek Observatory | United States of America | North America |
| 2020 May 10 | created | L65 | Bredenkamp Observatory, Bremen | Germany | Europe |
| 2020 May 07 | created | Z13 | Observatorio AGP GUAM 4, Málaga | Spain | Europe |
| 2020 May 06 | created | Z11 | Appledorne Observatory, Farnsfield | United Kingdom | Europe |
| | created | L81 | Skygems Namibia Remote Observatory | Namibia | Africa |
| 2020 April 29 | created | W65 | Observatoire GOZ, Montpellier | Canada | North America |
| | created | L64 | Martesana Observatory, Cassina de Pecchi | Italy | Europe |
| | created | L63 | HOB Observatory, Capraia Fiorentina | Italy | Europe |
| 2020 April 12 | created | Z12 | La Romaneta, Monovar | Spain | Europe |
| | created | G07 | Millau Observatory | France | Europe |
| 2020 April 09 | created | W74 | Danish Telescope, La Silla | Chile | South America |
| 2020 April 05 | created | G22 | Experimenta Observatory, Heilbronn | Germany | Europe |
| 2020 April 04 | created | N88 | Xingming Observatory #3, Nanshan | China | Asia |
| 2020 March 29 | created | Q78 | Woogaroo Observatory, Forest Lake | Australia | Oceania |
| 2020 March 24 | created | P87 | Hirao Observatory, Yamaguchi | Japan | Asia |
| | created | L76 | Nomad Observatory, Kochevanchik | Russia | Europe |
| | created | 276 | Płońsk | Poland | Europe |
| 2020 March 17 | created | Z14 | ART, Fregenal de la Sierra | Spain | Europe |
| | created | V93 | Pin Oak Observatory, Fort Madison | United States of America | North America |
| | created | U55 | Golden Ears Observatory, Maple Ridge | Canada | North America |
| 2020 March 05 | created | G08 | Observatorio Les Pedritxes, Matadepera | Spain | Europe |
| 2020 February 29 | created | Z23 | Nordic Optical Telescope, La Palma | Spain | Europe |
| | created | Q54 | Harlingten Telescope, Greenhill Observatory | Australia | Oceania |
| | created | O49 | Purple Mountain Observatory, Yaoan Station | China | Asia |
| | created | L99 | Novosilky | Ukraine | Europe |
| 2020 February 28 | created | W32 | Crawfordville Observatory | United States of America | North America |
| | created | P64 | GSHS Observatory, Suwon | South Korea | Asia |
| | created | L62 | Hypatia Observatory, Rimini | Italy | Europe |
| | created | G10 | Clavier Observatory, Lora Del Rio | Spain | Europe |
| | created | G09 | SWF Observatory, South Woodham Ferrers | United Kingdom | Europe |
| 2020 February 25 | created | L75 | Tartu Observatory of Tartu University | Estonia | Europe |
| 2020 February 04 | created | V14 | Moose Springs Observatory, Timber Lakes | United States of America | North America |
| | created | U76 | Maury Lewin Observatory, Glendora | United States of America | North America |
| | created | U71 | AHS Observatory, Castaic | United States of America | North America |
| | created | P67 | Kangwon National University Observatory | South Korea | Asia |
| | created | L80 | SpringBok Observatory, Tivoli | Namibia | Africa |
| | created | G23 | Vulpecula Observatory, Budapest | Hungary | Europe |
| | created | G20 | Brignoles Observatory | France | Europe |
| | created | G19 | Immanuel Kant Observatory,Limbach | Germany | Europe |
| 2020 January 05 | created | Z29 | Observatorio Astronomico Sobradillo | Spain | Europe |
| | created | Z25 | Artemis Observatory, Teide | Spain | Europe |
| | created | Z16 | Asociacion Astronomica de Cartagena | Spain | Europe |
| | created | Z15 | Southwater | United Kingdom | Europe |
| | created | Y40 | Discovery Observatory, Caruaru | Brazil | South America |
| | created | Y16 | ROCG, Campos dos Goytacazes | Brazil | South America |
| | created | X03 | Observatoire SADR, Poroto | Chile | South America |
| | created | X02 | Telescope Live, El Sauce | Chile | South America |
| | created | X00 | Observatorio Astronomico Tolar | Argentina | South America |
| | created | W61 | Leeside Observatory, Elgin | Canada | North America |
| | created | W16 | Pleasant Groves Observatory | United States of America | North America |
| | created | V34 | Baker Observatory, Black Forest | United States of America | North America |
| | created | V28 | Deep Sky West Observatory, Rowe | United States of America | North America |
| | created | V12 | Elgin | United States of America | North America |
| | created | U72 | Tarzana | United States of America | North America |
| | created | U67 | Jack C. Davis Observatory, Carson City | United States of America | North America |
| | created | L98 | La Sagra Observatory, Puebla de Don Fadrique | Spain | Europe |
| | created | L95 | Observatorio Astronomico de Cartagena | Spain | Europe |
| | created | L94 | Observatorio MOMA, Oviedo | Spain | Europe |
| | created | L84 | Kairos Observatory, Letnik | Russia | Europe |
| | created | L82 | Crow Observatory, Portalegre | Portugal | Europe |
| | created | L67 | Cherkizovo Observatory, Moscow Oblast | Russia | Europe |
| | created | L61 | MONET South, Sutherland | South Africa | Africa |
| | created | L60 | Popovich Observatory, Ivanivka | Ukraine | Europe |
| | created | L59 | Compustar Observatory, Rouen | France | Europe |
| | created | L58 | Heavenly Owl observatory | Ukraine | Europe |
| | created | L57 | Bacau Observatory, Bacau | Romania | Europe |
| | created | G24 | Dettenhausen | Germany | Europe |
| | created | D13 | Cat's Eye Observatory | Italy | Europe |
| | created | D12 | Filzi School Observatory, Laives | Italy | Europe |
| | created | D11 | Bastidan Observatory | France | Europe |
| | created | D10 | Gaertringen | Germany | Europe |
| 2019 December 21 | created | X01 | Observatory Hurtado, El Sauce | Chile | South America |
| | created | V11 | Saguaro Observatory, Tucson | United States of America | North America |
| | created | O85 | LiShan Observatory, Lintong | China | Asia |
| | created | O37 | TRT-NEO, Chiangmai | Thailand | Asia |
| | created | O02 | Galaxy Tibet YBJ Observatory,Yangbajing | China | Asia |
| | created | M43 | Al Sadeem Observatory, Abu Dhabi | United Arab Emirates | Asia |
| | created | L97 | Castle Fields Observatory, Calne | United Kingdom | Europe |
| | created | L83 | UJA Observatory, Jaen | Spain | Europe |
| | created | L56 | Sternwarte Limburg, Limburg | Germany | Europe |
| | created | L54 | Berthelot Observatory, Hunedoara | Romania | Europe |
| | created | L53 | Aldo Agnetti Observatory, Como | Italy | Europe |
| 2019 November 18 | created | V39 | McDonald Observatory-LCO ELP B | United States of America | North America |
| | created | 310 | Minor Planet Center Test Code | United States of America | North America |
| 2019 October 09 | created | Z30 | Glyn Marsh Observatory, Douglas | Isle of Man | Europe |
| | created | V10 | Sierra Sinagua Observatory, Flagstaff | United States of America | North America |
| | created | U70 | RASC Observatory, Alder Springs | United States of America | North America |
| | created | L55 | Sura Gardens, Dnipro | Ukraine | Europe |
| | created | L49 | VEGA-Sternwarte, Dorfleiten | Austria | Europe |
| | created | L48 | CNVL Observatory, Baia Mare | Romania | Europe |
| | created | L47 | Osservatorio Astronomico, Piobbico | Italy | Europe |
| | created | L46 | Observatorio Majadahonda | Spain | Europe |
| | created | L45 | ObsCT, Catania | Italy | Europe |
| | created | L44 | AstroVal, Le Chenit | Switzerland | Europe |
| | created | L43 | Ager, Leida | Spain | Europe |
| | created | L42 | Observatory-Astrocamp Manciano | Italy | Europe |
| | created | L41 | Ponte Uso | Italy | Europe |
| | created | L40 | Sternwarte Saarbruecken Rastpfuhl | Germany | Europe |
| | created | K06 | Observatorio Montagut, Can Sola | Spain | Europe |
| 2019 September 22 | created | V00 | Kitt Peak-Bok | United States of America | North America |
| 2019 June 19 | created | W75 | SPECULOOS-South Observatory, Paranal | Chile | South America |
| 2019 May 25 | created | Z99 | Clixby Observatory, Cleethorpes | United Kingdom | Europe |
| | created | Z98 | Observatorio TRZ, Bétera | Spain | Europe |
| | created | Z97 | OPERA Observatory, Saint Palais | France | Europe |
| | created | Z96 | Observatorio Cesaraugusto | Spain | Europe |
| | created | Z95 | Astronomia Para Todos Remote Observatory | Spain | Europe |
| | created | Z94 | Kempshott | United Kingdom | Europe |
| | created | Z93 | Observatorio Polop, Alicante | Spain | Europe |
| | created | Z92 | Almalex Observatory, Leeds | United Kingdom | Europe |
| | created | Z91 | Curdridge | United Kingdom | Europe |
| | created | Z90 | Albox | Spain | Europe |
| | created | Z89 | Macclesfield | United Kingdom | Europe |
| | created | Z88 | Fosseway Observatory, Stratton-on-the-Fosse | United Kingdom | Europe |
| | created | Z87 | Stanley Laver Observatory, Pontesbury | United Kingdom | Europe |
| | created | Z86 | St. Mellons | United Kingdom | Europe |
| | created | Z85 | Observatorio Sierra Contraviesa | Spain | Europe |
| | created | Z84 | Calar Alto-Schmidt | Spain | Europe |
| | created | Z83 | Chicharronian 3C Observatory, Tres Cantos | Spain | Europe |
| | created | Z82 | BOOTES-2 Observatory, Algarrobo | Spain | Europe |
| | created | Z81 | Observatorio Estrella de Mar | Spain | Europe |
| | created | Z80 | Northolt Branch Observatory | United Kingdom | Europe |
| | created | Z79 | Calar Alto TNO Survey | Spain | Europe |
| | created | Z78 | Arroyo Observatory, Arroyo Hurtado | Spain | Europe |
| | created | Z77 | Osuna | Spain | Europe |
| | created | Z76 | Observatorio Carda, Villaviciosa | Spain | Europe |
| | created | Z75 | Observatorio Sirius, Las Lomas | Spain | Europe |
| | created | Z74 | Amanecer de Arrakis | Spain | Europe |
| | created | Z73 | Observatorio Nuevos Horizontes, Camas | Spain | Europe |
| | created | Z72 | Cademuir Observatory, Dalkey | Ireland | Europe |
| | created | Z71 | Observatorio Norba Caesarina, Aldea Moret | Spain | Europe |
| | created | Z70 | Ponferrada | Spain | Europe |
| | created | Z69 | Observatorio Mazagon Huelva | Spain | Europe |
| | created | Z68 | Observatorio Torreáguila, Barbaño | Spain | Europe |
| | created | Z67 | Dunboyne Castle Observatory | Ireland | Europe |
| | created | Z66 | DeSS Deimos Sky Survey, Niefla Mountain | Spain | Europe |
| | created | Z65 | Observatorio Astronomico Corgas | Spain | Europe |
| | created | Z64 | Observatorio el Miron del Cielo | Spain | Europe |
| | created | Z63 | Skybor Observatory, Borja | Spain | Europe |
| | created | Z62 | Observatorio Forcarei | Spain | Europe |
| | created | Z61 | Montecanal Observatory, Zaragoza | Spain | Europe |
| | created | Z60 | Observatorio Zaldibia | Spain | Europe |
| | created | Z59 | Chelford Observatory | United Kingdom | Europe |
| | created | Z58 | ESA TBT Cebreros Observatory | Spain | Europe |
| | created | Z57 | Observatorio Zuben, Alhaurín de la Torre | Spain | Europe |
| | created | Z56 | Knocknaboola | Ireland | Europe |
| | created | Z55 | Uraniborg Observatory, Écija | Spain | Europe |
| | created | Z54 | Greenmoor Observatory, Woodcote | United Kingdom | Europe |
| | created | Z53 | TRAPPIST-North, Oukaïmeden | Morocco | Africa |
| | created | Z52 | The Studios Observatory, Grantham | United Kingdom | Europe |
| | created | Z51 | Anunaki Observatory, Rivas Vaciamadrid | Spain | Europe |
| | created | Z50 | Mazariegos | Spain | Europe |
| | created | Z49 | Alston Observatory | United Kingdom | Europe |
| | created | Z48 | Northolt Branch Observatory 2, Shepherd's Bush | United Kingdom | Europe |
| | created | Z47 | Runcorn | United Kingdom | Europe |
| | created | Z46 | Cardiff | United Kingdom | Europe |
| | created | Z45 | Cosmos Observatory, Marbella | Spain | Europe |
| | created | Z44 | Observatorio Terminus, A Coruña | Spain | Europe |
| | created | Z43 | Landehen | France | Europe |
| | created | Z42 | Rushay Farm Observatory, Sturminster Newton | United Kingdom | Europe |
| | created | Z41 | Irydeo Observatory, Camarma de Esteruelas | Spain | Europe |
| | created | Z40 | El Manzanillo Observatory, Puerto de la Torre | Spain | Europe |
| | created | Z39 | Observatorio Costa Teguise | Spain | Europe |
| | created | Z38 | Picoto Observatory, Leiria | Portugal | Europe |
| | created | Z37 | Northolt Branch Observatory 3, Blandford Forum | United Kingdom | Europe |
| | created | Z36 | Cancelada | Spain | Europe |
| | created | Z35 | OAO University Observatory Station Aras | Spain | Europe |
| | created | Z34 | NNHS Drummonds Observatory | United Kingdom | Europe |
| | created | Z33 | 6ROADS Observatory 2, Nerpio | Spain | Europe |
| | created | Z32 | Observatorio Astrofisico de Javalambre, Arcos de las Salinas | Spain | Europe |
| | created | Z27 | Observatorio Coralito, La Laguna | Spain | Europe |
| | created | Z26 | Observatorio Astronomico Arcangel, Las Zocas | Spain | Europe |
| | created | Z22 | MASTER-IAC Observatory, Tenerife | Spain | Europe |
| | created | Z21 | Tenerife-LCO Aqawan A #1 | Spain | Europe |
| | created | Z20 | La Palma-MERCATOR | Spain | Europe |
| | created | Z19 | La Palma-TNG | Spain | Europe |
| | created | Z18 | Gran Telescopio Canarias, Roque de los Muchachos | Spain | Europe |
| | created | Z17 | Tenerife-LCO Aqawan A #2 | Spain | Europe |
| | created | Y28 | OASI, Nova Itacuruba | Brazil | South America |
| | created | Y00 | SONEAR Observatory, Oliveira | Brazil | South America |
| | created | X88 | Observatorio Adhara, Sorocaba | Brazil | South America |
| | created | X87 | Dogsheaven Observatory, Brasilia | Brazil | South America |
| | created | X74 | Observatório Campo dos Amarais | Brazil | South America |
| | created | X57 | Polo Astronômico CMF,Foz do Iguaçu | Brazil | South America |
| | created | X50 | Observatorio Astronomico de Montevideo | Uruguay | South America |
| | created | X39 | Observatorio Antares, Pilar | Argentina | South America |
| | created | X38 | Observatorio Pueyrredon, La Lonja | Argentina | South America |
| | created | X31 | Galileo Galilei Observatory, Oro Verde | Argentina | South America |
| | created | X14 | Observatorio Orbis Tertius, Córdoba | Argentina | South America |
| | created | X13 | Observatorio Remoto Bosque Alegre | Argentina | South America |
| | created | W99 | Searchlight Observatory Network, San Pedro de Atacama Station | Chile | South America |
| | created | W98 | SDA Observatory, San Pedro de Atacama | Chile | South America |
| | created | W97 | Atacama Desert Observatory, San Pedro de Atacama | Chile | South America |
| | created | W96 | CAO, San Pedro de Atacama (since 2013) | Chile | South America |
| | created | W95 | Observatorio Panameno, San Pedro de Atacama | Chile | South America |
| | created | W94 | MAPS, San Pedro de Atacama | Chile | South America |
| | created | W93 | Korea Microlensing Telescope Network-CTIO | Chile | South America |
| | created | W92 | MASTER-OAFA Observatory, San Juan | Argentina | South America |
| | created | W91 | VHS-VISTA, Cerro Paranal | Chile | South America |
| | created | W90 | Phillips Exeter Academy Grainger Observatory | United States of America | North America |
| | created | W89 | Cerro Tololo-LCO Aqawan A #1 | Chile | South America |
| | created | W88 | Slooh.com Chile Observatory, La Dehesa | Chile | South America |
| | created | W87 | Cerro Tololo-LCO C | Chile | South America |
| | created | W86 | Cerro Tololo-LCO B | Chile | South America |
| | created | W85 | Cerro Tololo-LCO A | Chile | South America |
| | created | W84 | Cerro Tololo-DECam | Chile | South America |
| | created | W83 | Whitin Observatory, Wellesley | United States of America | North America |
| | created | W82 | Mendel Observatory, Merrimack College | United States of America | North America |
| | created | W81 | Nebula Knoll Observatory, East Wakefield | United States of America | North America |
| | created | W80 | Westwood | United States of America | North America |
| | created | W79 | Cerro Tololo-LCO Aqawan B #1 | Chile | South America |
| | created | W78 | Clay Telescope, Harvard University | United States of America | North America |
| | created | W77 | Skyledge Observatory, Killingworth | United States of America | North America |
| | created | W76 | CHILESCOPE Observatory, Rio Hurtado | Chile | South America |
| | created | W71 | Rand II Observatory, Lake Placid | United States of America | North America |
| | created | W70 | Loose Goose Observatory, Saint-Jérome | Canada | North America |
| | created | W67 | Paul Robinson Observatory, Voorhees State Park | United States of America | North America |
| | created | W66 | SVH Observatory, Blairstown | United States of America | North America |
| | created | W63 | Observatorio Astronomico UTP, Pereira | Colombia | South America |
| | created | W55 | Natelli Observatory, Frederick | United States of America | North America |
| | created | W54 | Mark Slade Remote Observatory, Wilderness | United States of America | North America |
| | created | W50 | Apex | United States of America | North America |
| | created | W49 | CBA-MM Observatory, Mountain Meadows | United States of America | North America |
| | created | W46 | Foxfire Village | United States of America | North America |
| | created | W38 | Dark Sky Observatory, Boone | United States of America | North America |
| | created | W34 | Squirrel Valley Observatory, Columbus | United States of America | North America |
| | created | W33 | Transit Dreams Observatory, Campobello | United States of America | North America |
| | created | W30 | Georgia College Observatory, Milledgeville | United States of America | North America |
| | created | W28 | Ex Nihilo Observatory, Winder | United States of America | North America |
| | created | W25 | RMS Observatory, Cincinnati | United States of America | North America |
| | created | W22 | WestRock Observatory, Columbus | United States of America | North America |
| | created | W19 | Kalamazoo | United States of America | North America |
| | created | W14 | Harvest | United States of America | North America |
| | created | W11 | Northwest Indiana Robotic Telescope, Lowell | United States of America | North America |
| | created | W08 | Jimginny Observatory, Naperville | United States of America | North America |
| | created | W04 | Mark Evans Observatory, Bloomington | United States of America | North America |
| | created | V88 | River Ridge Observatory, Conway | United States of America | North America |
| | created | V86 | Rattle Snake Observatory, Sedalia | United States of America | North America |
| | created | V83 | Rolling Hills Observatory, Warrensburg | United States of America | North America |
| | created | V81 | Fayetteville | United States of America | North America |
| | created | V78 | Spirit Marsh Observatory, Sauk Centre | United States of America | North America |
| | created | V70 | Starry Night Observatory, Columbus | United States of America | North America |
| | created | V60 | Putman Mountain Observatory | United States of America | North America |
| | created | V59 | Millwood Observatory, Comfort | United States of America | North America |
| | created | V38 | McDonald Observatory-LCO ELP Aqawan A #1 | United States of America | North America |
| | created | V37 | McDonald Observatory-LCO ELP | United States of America | North America |
| | created | V36 | The Ranch Observatory, Lakewood | United States of America | North America |
| | created | V35 | Deep Sky Observatory Collaborative, Pier 5, Fort Davis | United States of America | North America |
| | created | V31 | Hazardous Observatory, Mayhill | United States of America | North America |
| | created | V30 | Heaven on Earth Observatory, Mayhill | United States of America | North America |
| | created | V29 | Tzec Maun Cloudcroft Facility | United States of America | North America |
| | created | V26 | UAS-ISON Observatory, Cosala | Mexico | North America |
| | created | V23 | FOAH Observatory, Magdalena | United States of America | North America |
| | created | V16 | Dark Sky New Mexico, Animas | United States of America | North America |
| | created | V09 | Moka Observatory, Benson | United States of America | North America |
| | created | V08 | Mountain Creek Ranch, Vail | United States of America | North America |
| | created | V07 | Whipple Observatory, Mount Hopkins-PAIRITEL | United States of America | North America |
| | created | V06 | Catalina Sky Survey-Kuiper | United States of America | North America |
| | created | V05 | Rusty Mountain Observatory, Gold Canyon | United States of America | North America |
| | created | V04 | Flagstaff Robotic Survey Telescope, Anderson Mesa | United States of America | North America |
| | created | V03 | Big Water | United States of America | North America |
| | created | V02 | Command Module, Tempe | United States of America | North America |
| | created | V01 | Mountainville Observatory, Alpine | United States of America | North America |
| | created | U96 | Athabasca University Geophysical Observatory, Athabasca | Canada | North America |
| | created | U82 | CS3-Palmer Divide Station, Landers | United States of America | North America |
| | created | U81 | CS3-Trojan Station, Landers | United States of America | North America |
| | created | U80 | CS3-DanHenge Observatory, Landers | United States of America | North America |
| | created | U79 | Cosmos Research Center, Encinitas | United States of America | North America |
| | created | U78 | Cedar Glen Observatory | United States of America | North America |
| | created | U73 | Redondo Beach | United States of America | North America |
| | created | U69 | iTelescope SRO Observatory, Auberry | United States of America | North America |
| | created | U68 | JPL SynTrack Robotic Telescope, Auberry | United States of America | North America |
| | created | U64 | CWU-Lind Observatory, Ellensburg | United States of America | North America |
| | created | U63 | Burnt Tree Hill Observatory, Cle Elum | United States of America | North America |
| | created | U57 | Black Mountain Observatory, Los Altos | United States of America | North America |
| | created | U56 | Palo Alto | United States of America | North America |
| | created | U54 | Hume Observatory, Santa Rosa | United States of America | North America |
| | created | U53 | Murray Hill Observatory, Beaverton | United States of America | North America |
| | created | T14 | Canada-France-Hawaii Telescope, Maunakea | United States of America | North America |
| | created | T12 | University of Hawaii 88-inch telescope, Maunakea | United States of America | North America |
| | created | T09 | Subaru Telescope, Maunakea | United States of America | North America |
| | created | T08 | ATLAS-MLO, Mauna Loa | United States of America | North America |
| | created | T05 | ATLAS-HKO, Haleakala | United States of America | North America |
| | created | T04 | Haleakala-LCO OGG B #2 | United States of America | North America |
| | created | T03 | Haleakala-LCO Clamshell #3 | United States of America | North America |
| | created | R58 | Beverly-Begg Observatory, Dunedin | New Zealand | Oceania |
| | created | R57 | Aorangi Iti Observatory, Lake Tekapo | New Zealand | Oceania |
| | created | Q80 | Birkdale | Australia | Oceania |
| | created | Q79 | Samford Valley Observatory | Australia | Oceania |
| | created | Q69 | Hazelbrook | Australia | Oceania |
| | created | Q68 | Blue Mountains Observatory, Leura | Australia | Oceania |
| | created | Q67 | JBL Observatory, Bathurst | Australia | Oceania |
| | created | Q66 | Siding Spring-Janess-G, JAXA | Australia | Oceania |
| | created | Q65 | Warrumbungle Observatory | Australia | Oceania |
| | created | Q64 | Siding Spring-LCO B | Australia | Oceania |
| | created | Q63 | Siding Spring-LCO A | Australia | Oceania |
| | created | Q62 | iTelescope Observatory, Siding Spring | Australia | Oceania |
| | created | Q61 | PROMPT, Siding Spring | Australia | Oceania |
| | created | Q60 | ISON-SSO Observatory, Siding Spring | Australia | Oceania |
| | created | Q59 | Siding Spring-LCO Clamshell #2 | Australia | Oceania |
| | created | Q58 | Siding Spring-LCO Clamshell #1 | Australia | Oceania |
| | created | Q57 | Korea Microlensing Telescope Network-SSO | Australia | Oceania |
| | created | Q56 | Heaven's Mirror Observatory, Yass | Australia | Oceania |
| | created | Q38 | Swan Hill | Australia | Oceania |
| | created | Q33 | Nayoro Observatory, Hokkaido University | Japan | Asia |
| | created | Q24 | Katori | Japan | Asia |
| | created | Q23 | Sukagawa | Japan | Asia |
| | created | Q21 | Southern Utsunomiya | Japan | Asia |
| | created | Q19 | Machida | Japan | Asia |
| | created | Q11 | Shinshiro | Japan | Asia |
| | created | P93 | Space Tracking and Communications Center, JAXA | Japan | Asia |
| | created | P73 | BSH Byulsem Observatory, Busan | South Korea | Asia |
| | created | P66 | Deokheung Optical Astronomy Observatory | South Korea | Asia |
| | created | P40 | Chinese Culture University, Taipei | Taiwan | Asia |
| | created | P36 | ULTRA Observatory,Suzhou | China | Asia |
| | created | P35 | Cuteip Remote Observatory, Changhua | Taiwan | Asia |
| | created | P34 | Lvye Observatory, Suzhou | China | Asia |
| | created | P25 | Kinmen Educational Remote Observatory, Jincheng | Taiwan | Asia |
| | created | O75 | ISON-Hureltogoot Observatory | Mongolia | Asia |
| | created | O50 | Hin Hua Observatory, Klang | Malaysia | Asia |
| | created | O45 | Yunnan-HK Observatory, Gaomeigu | China | Asia |
| | created | O44 | Lijiang Station, Yunnan Observatories | China | Asia |
| | created | O43 | Observatori Negara, Langkawi | Malaysia | Asia |
| | created | N87 | Nanshan Station, Xinjiang Observatory | China | Asia |
| | created | N55 | Corona Borealis Observatory, Ngari, Tibet | China | Asia |
| | created | N50 | Himalayan Chandra Telescope, IAO, Hanle | India | Asia |
| | created | N43 | Plateau Observatory for Dome A, Kunlun Station | Antarctica | Antarctica |
| | created | N42 | Tien-Shan Astronomical Observatory | Kazakhstan | Asia |
| | created | N31 | Eden Astronomical Observatory, Lahore | Pakistan | Asia |
| | created | N30 | Zeds Astronomical Observatory, Lahore | Pakistan | Asia |
| | created | N27 | Omsk-Yogik Observatory | Russia | Europe |
| | created | L96 | ISON-Byurakan Observatory | Armenia | Europe |
| | created | L72 | Melezhy Astrophoto Observatory | Russia | Europe |
| | created | L71 | Vedrus Observatory, Azovskaya | Russia | Europe |
| | created | L52 | MASTER-Tavrida | Ukraine | Europe |
| | created | L51 | MARGO, Nauchnyi | Ukraine | Europe |
| | created | L50 | GenShtab Observatory, Nauchnyi | Ukraine | Europe |
| | created | L39 | Osservatorio Spica, Signa | Italy | Europe |
| | created | L38 | Gartensternwarte Schafsweide, Sehlde | Germany | Europe |
| | created | L37 | Observatorio Alnitak, El Puerto de Santa María | Spain | Europe |
| | created | L36 | Ondřejov--BlueEye600 Telescope | Czechia | Europe |
| | created | L35 | DreamSky Observatory, Lisnyky | Ukraine | Europe |
| | created | L34 | Galhassin Robotic Telescope, Isnello | Italy | Europe |
| | created | L33 | Ananiv | Ukraine | Europe |
| | created | L32 | Korea Microlensing Telescope Network-SAAO | South Africa | Africa |
| | created | L31 | RaSo Observatory, Chemnitz | Germany | Europe |
| | created | L30 | Lohbach Observatory, Benninghofen | Germany | Europe |
| | created | L29 | Drebach-South Observatory, Windhoek | Namibia | Africa |
| | created | L28 | ISON-Castelgrande Observatory | Italy | Europe |
| | created | L27 | 29PREMOTE Observatory, Dauban | France | Europe |
| | created | L26 | Sanderphil Urban Observatory, Civitavecchia | Italy | Europe |
| | created | L25 | Smolęcin | Poland | Europe |
| | created | L24 | Gauteng | South Africa | Africa |
| | created | L23 | Schela Observatory | Romania | Europe |
| | created | L22 | Bârlad Observatory | Romania | Europe |
| | created | L21 | Ostrov Observatory, Constanța | Romania | Europe |
| | created | L20 | AG_Sarajevo Observatory, Sarajevo | Bosnia and Herzegovina | Europe |
| | created | L19 | Osservatorio Felsina AAB, Montepastore | Italy | Europe |
| | created | L18 | QOS Observatory, Zalistsi | Ukraine | Europe |
| | created | L17 | Observatori Astronòmic Albanyà | Spain | Europe |
| | created | L16 | Stardreams Observatory, Vǎlenii de Munte | Romania | Europe |
| | created | L15 | St. George Observatory, Ploiesti | Romania | Europe |
| | created | L14 | Planetarium de Vaulx-en-Velin Observatory | France | Europe |
| | created | L13 | Stardust Observatory, Brasov | Romania | Europe |
| | created | L12 | Koksijde | Belgium | Europe |
| | created | L11 | Sandvreten Observatory | Sweden | Europe |
| | created | L10 | Kryoneri Observatory | Greece | Europe |
| | created | L09 | Sutherland-LCO Aqawan A #1 | South Africa | Africa |
| | created | L08 | Metsähovi Optical Telescope, Metsahovi | Finland | Europe |
| | created | L07 | Osservatorio Salvatore di Giacomo, Agerola | Italy | Europe |
| | created | L06 | Sormano 2 Observatory, Bellagio Via Lattea | Italy | Europe |
| | created | L05 | Dridri Observatory, Franciacorta | Italy | Europe |
| | created | L04 | ROASTERR-1 Observatory, Cluj-Napoca | Romania | Europe |
| | created | L03 | SGT Observatory, Gaflenz | Austria | Europe |
| | created | L02 | NOAK Observatory, Stavraki | Greece | Europe |
| | created | L01 | Višnjan Observatory, Tican | Croatia | Europe |
| | created | L00 | East Rome Observatory, Rome | Italy | Europe |
| | created | K99 | Derenivka Observatory | Ukraine | Europe |
| | created | K98 | 6ROADS Observatory 1, Wojnowko | Poland | Europe |
| | created | K97 | Freconrupt | France | Europe |
| | created | K96 | Savelli Observatory | Italy | Europe |
| | created | K95 | MASTER-SAAO Observatory, Sutherland | South Africa | Africa |
| | created | K94 | Sutherland | South Africa | Africa |
| | created | K93 | Sutherland-LCO C | South Africa | Africa |
| | created | K92 | Sutherland-LCO B | South Africa | Africa |
| | created | K91 | Sutherland-LCO A | South Africa | Africa |
| | created | K90 | Sopot Astronomical Observatory | Republic of Serbia | Europe |
| | created | K89 | Digital Stargate Observatory, Manciano | Italy | Europe |
| | created | K88 | GINOP-KHK, Piszkéstető | Hungary | Europe |
| | created | K87 | Dettelbach Vineyard Observatory | Germany | Europe |
| | created | K86 | Brescia | Italy | Europe |
| | created | K85 | Kelmis | Germany | Europe |
| | created | K84 | Felliscopio Observatory, Fellicarolo | Italy | Europe |
| | created | K83 | Osservatorio Astronomico Beppe Forti, Montelupo | Italy | Europe |
| | created | K82 | Alphard Observatory, Ostuni | Italy | Europe |
| | created | K81 | P.M.P.H.R. Deep Sky Observatory, Atina | Italy | Europe |
| | created | K80 | Platanus Observatory, Lusowko | Poland | Europe |
| | created | K79 | Erfurt | Germany | Europe |
| | created | K78 | iota Scorpii Observatory, La Spezia | Italy | Europe |
| | created | K77 | EHB01 Observatory, Engelhardsberg | Germany | Europe |
| | created | K76 | BSA Osservatorio, Savigliano | Italy | Europe |
| | created | K75 | Astro Dolomites, Santa Cristina Valgardena | Italy | Europe |
| | created | K74 | Muensterschwarzach Observatory, Schwarzach | Germany | Europe |
| | created | K73 | Gravina in Puglia | Italy | Europe |
| | created | K72 | Celico | Italy | Europe |
| | created | K71 | Neutraubling | Germany | Europe |
| | created | K70 | Rosarno | Italy | Europe |
| | created | K69 | Riethnordhausen | Germany | Europe |
| | created | K68 | Osservatorio Elianto, Pontecagnano | Italy | Europe |
| | created | K67 | Bayerwald Sternwarte, Spiegelau | Germany | Europe |
| | created | K66 | Osservatorio Astronomico di Anzio | Italy | Europe |
| | created | K65 | Cesena | Italy | Europe |
| | created | K64 | Waizenreuth | Germany | Europe |
| | created | K63 | G. Pascoli Observatory, Castelvecchio Pascoli (before June 2023) | Italy | Europe |
| | created | K62 | Teplice Observatory | Czechia | Europe |
| | created | K61 | Rokycany Observatory | Czechia | Europe |
| | created | K60 | Lindby | Sweden | Europe |
| | created | K59 | Elsterland Observatory, Jeßnigk | Germany | Europe |
| | created | K58 | Gevelsberg | Germany | Europe |
| | created | K57 | Fiore Observatory | Italy | Europe |
| | created | K56 | Osservatorio di Foligno | Italy | Europe |
| | created | K55 | Wallhausen | Germany | Europe |
| | created | K54 | Astronomical Observatory University of Siena | Italy | Europe |
| | created | K53 | Marina di Cerveteri | Italy | Europe |
| | created | K52 | Gwen Observatory, San Francesco al Campo | Italy | Europe |
| | created | K51 | Osservatorio del Celado, Castello Tesino | Italy | Europe |
| | created | K50 | Sternwarte Feuerstein, Ebermannstadt | Germany | Europe |
| | created | K49 | Carpione Observatory, Spedaletto | Italy | Europe |
| | created | K48 | Keyhole Observatory, San Giorgio di Mantova | Italy | Europe |
| | created | K47 | BSCR Observatory, Santa Maria a Monte | Italy | Europe |
| | created | K46 | Bamberg | Germany | Europe |
| | created | K45 | Osservatorio Astronomico di Punta Falcone, Piombino | Italy | Europe |
| | created | K44 | Marienburg Sternwarte, Hildesheim | Germany | Europe |
| | created | K43 | OVM Observatory, Chiesa in Valmalencom | Italy | Europe |
| | created | K42 | Knielingen | Germany | Europe |
| | created | K41 | Vegaquattro Astronomical Observatory, Novi Ligure | Italy | Europe |
| | created | K40 | Altdorf | Germany | Europe |
| | created | K39 | Serra Observatory | Italy | Europe |
| | created | K38 | M57 Observatory, Saltrio | Switzerland | Europe |
| | created | K37 | Cereseto | Italy | Europe |
| | created | K36 | Ebersheim | Germany | Europe |
| | created | K35 | Huenfelden | Germany | Europe |
| | created | K34 | Turin | Italy | Europe |
| | created | K33 | San Defendente | Italy | Europe |
| | created | K32 | Maritime Alps Observatory, Cuneo | Italy | Europe |
| | created | K31 | Osservatorio Astronomico di Bellino | Italy | Europe |
| | created | K30 | Lüscherz | Switzerland | Europe |
| | created | K29 | Stellarium Gornergrat | Switzerland | Europe |
| | created | K28 | Sternwarte Eckdorf | Germany | Europe |
| | created | K27 | St-Martin Observatory, Amathay Vésigneux | France | Europe |
| | created | K26 | Contern | Luxembourg | Europe |
| | created | K25 | Observatoire Haute Provence Sud, Saint-Michel-l'Observatoire | France | Europe |
| | created | K24 | Schmelz | Germany | Europe |
| | created | K23 | Gorgonzola | Italy | Europe |
| | created | K22 | Les Barres Observatory, Lamanon | France | Europe |
| | created | K21 | Saint-Saturnin-lès-Avignon | France | Europe |
| | created | K20 | Danastro Observatory, Romerée | Belgium | Europe |
| | created | K19 | PASTIS Observatory, Banon | France | Europe |
| | created | K18 | Hésingue | France | Europe |
| | created | K17 | Observatoire des Valentines, Bex | Switzerland | Europe |
| | created | K16 | Reilhanette | France | Europe |
| | created | K15 | Murviel-lès-Montpellier | France | Europe |
| | created | K14 | Observatorio de Sencelles | Spain | Europe |
| | created | K13 | Albireo Observatory, Inca | Spain | Europe |
| | created | K12 | Obsevatorio Astronomico de Marratxi | Spain | Europe |
| | created | K11 | Observatoire de Pommier | France | Europe |
| | created | K10 | Micro Palomar, Reilhanette | France | Europe |
| | created | K09 | Llica d'Amunt | Spain | Europe |
| | created | K08 | Observatorio Lledoner, Vallirana | Spain | Europe |
| | created | K07 | Observatoire de Gravelle, St. Maurice | France | Europe |
| | created | K05 | Eden Observatory, Banham | United Kingdom | Europe |
| | created | K04 | Lo Fossil Observatory, Ager | Spain | Europe |
| | created | K03 | Observatori AAS Montsec | Spain | Europe |
| | created | K02 | Eastwood Observatory, Leigh on Sea | United Kingdom | Europe |
| | created | K01 | Astrognosis Observatory, Bradwell | United Kingdom | Europe |
| | created | J99 | Burjassot | Spain | Europe |
| | created | J98 | Observatorio Manises | Spain | Europe |
| | created | J97 | Alginet | Spain | Europe |
| | created | J96 | Observatorio de Cantabria | Spain | Europe |
| | created | J95 | Great Shefford | United Kingdom | Europe |
| | created | J94 | Abbeydale | United Kingdom | Europe |
| | created | J93 | Mount Tuffley Observatory, Gloucester | United Kingdom | Europe |
| | created | J92 | Beaconsfield | United Kingdom | Europe |
| | created | J91 | Alt emporda Observatory, Figueres | Spain | Europe |
| | created | J90 | West Challow | United Kingdom | Europe |
| | created | J89 | Tres Cantos Observatory | Spain | Europe |
| | created | J88 | Strawberry Field Obs., Southampton | United Kingdom | Europe |
| | created | J87 | La Cañada | Spain | Europe |
| | created | J86 | Sierra Nevada Observatory | Spain | Europe |
| | created | J85 | Makerstoun | United Kingdom | Europe |
| | created | J84 | South Observatory, Clanfield | United Kingdom | Europe |
| | created | J83 | Olive Farm Observatory, Hoghton | United Kingdom | Europe |
| | created | J82 | Leyland | United Kingdom | Europe |
| | created | J81 | Guirguillano | Spain | Europe |
| | created | J80 | Sainte Helene | France | Europe |
| | created | J79 | Observatorio Calarreona, Aguilas | Spain | Europe |
| | created | J78 | Murcia | Spain | Europe |
| | created | J77 | Golden Hill Observatory, Stourton Caundle | United Kingdom | Europe |
| | created | J76 | La Murta | Spain | Europe |
| | created | J75 | OAM Observatory, La Sagra | Spain | Europe |
| | created | J74 | Bilbao | Spain | Europe |
| | created | J73 | Quainton | United Kingdom | Europe |
| | created | J72 | Valle del Sol | Spain | Europe |
| | created | J71 | Willow Bank Observatory | United Kingdom | Europe |
| | created | J70 | Obs. Astronómico Vega del Thader, El Palmar | Spain | Europe |
| | created | J69 | North Observatory, Clanfield | United Kingdom | Europe |
| | created | J68 | Tweenhills Observatory, Hartpury | United Kingdom | Europe |
| | created | J67 | Observatorio La Puebla de Vallbona | Spain | Europe |
| | created | J66 | Kinver | United Kingdom | Europe |
| | created | J65 | Celbridge | Ireland | Europe |
| | created | J64 | La Mata | Spain | Europe |
| | created | J63 | San Gabriel | Spain | Europe |
| | created | J62 | Kingsland Observatory, Boyle | Ireland | Europe |
| | created | J61 | Brownstown Observatory, Kilcloon | Ireland | Europe |
| | created | J60 | Tocororo Observatory, Arquillinos | Spain | Europe |
| | created | J59 | Observatorio Linceo, Santander | Spain | Europe |
| | created | J58 | Brynllefrith Observatory, Llantwit Fardre | United Kingdom | Europe |
| | created | J57 | Centro Astronómico Alto Turia 1 | Spain | Europe |
| | created | J56 | Observatorio La Avejerilla | Spain | Europe |
| | created | J55 | Los Altos de Arguineguin Observatory | Spain | Europe |
| | created | J54 | Bradford Robotic Telescope | Spain | Europe |
| | created | J53 | Posadas | Spain | Europe |
| | created | J52 | Observatorio Pinsoro | Spain | Europe |
| | created | J51 | Observatorio Atlante, Tenerife | Spain | Europe |
| | created | J50 | La Palma-NEON | Spain | Europe |
| | created | J49 | Santa Pola | Spain | Europe |
| | created | J48 | Observatory Mackay, La Laguna | Spain | Europe |
| | created | J47 | Observatorio Nazaret | Spain | Europe |
| | created | J46 | Observatorio Montana Blanca, Tias | Spain | Europe |
| | created | J45 | Observatorio Montana Cabreja, Vega de San Mateo | Spain | Europe |
| | created | J44 | Observatorio Iturrieta, Alava | Spain | Europe |
| | created | J43 | Oukaïmeden Observatory, Marrakech | Morocco | Africa |
| | created | J42 | Puzol | Spain | Europe |
| | created | J41 | Raheny | Ireland | Europe |
| | created | J40 | Málaga | Spain | Europe |
| | created | J39 | Ingenio | Spain | Europe |
| | created | J38 | Observatorio La Vara, Valdés | Spain | Europe |
| | created | J37 | Huelva | Spain | Europe |
| | created | J36 | Observatorio DiezALaOnce, Illana | Spain | Europe |
| | created | J35 | Tucci Observatory, Martos | Spain | Europe |
| | created | J34 | La Fecha | Spain | Europe |
| | created | J33 | University of Hertfordshire Obs., Bayfordbury | United Kingdom | Europe |
| | created | J32 | Aljaraque | Spain | Europe |
| | created | J31 | La Axarquia | Spain | Europe |
| | created | J30 | Observatorio Ventilla, Madrid | Spain | Europe |
| | created | J29 | Observatorio Nira, Tias | Spain | Europe |
| | created | J28 | Jaen | Spain | Europe |
| | created | J27 | El Guijo Observatory | Spain | Europe |
| | created | J26 | The Spaceguard Centre, Knighton | United Kingdom | Europe |
| | created | J25 | Penamayor Observatory, Nava | Spain | Europe |
| | created | J24 | Observatorio Altamira | Spain | Europe |
| | created | J23 | Centre Astronomique de La Couyere | France | Europe |
| | created | J22 | Tacande Observatory, La Palma | Spain | Europe |
| | created | J21 | El Boalo | Spain | Europe |
| | created | J20 | Aravaca | Spain | Europe |
| | created | J19 | El Maestrat | Spain | Europe |
| | created | J18 | Dingle Observatory, Montgomery | United Kingdom | Europe |
| | created | J17 | Ragdon | United Kingdom | Europe |
| | created | J16 | An Carraig Observatory, Loughinisland | United Kingdom | Europe |
| | created | J15 | Muxagata | Portugal | Europe |
| | created | J14 | La Corte | Spain | Europe |
| | created | J13 | La Palma-Liverpool Telescope | Spain | Europe |
| | created | J12 | Caraquiz | Spain | Europe |
| | created | J11 | Matosinhos | Portugal | Europe |
| | created | J10 | Alicante | Spain | Europe |
| | created | J09 | Balbriggan | Ireland | Europe |
| | created | J08 | Observatorio Zonalunar, Puzol | Spain | Europe |
| | created | J07 | Observatorio SPAG Monfragüe, Palazuelo-Empalme | Spain | Europe |
| | created | J06 | Trent Astronomical Observatory, Clifton | United Kingdom | Europe |
| | created | J05 | Bootes Observatory, Boecillo | Spain | Europe |
| | created | J04 | ESA Optical Ground Station, Tenerife | Spain | Europe |
| | created | J03 | Gothers Observatory, St. Dennis | United Kingdom | Europe |
| | created | J02 | Busot | Spain | Europe |
| | created | J01 | Observatorio Cielo Profundo, Leon | Spain | Europe |
| | created | J00 | Segorbe | Spain | Europe |
| | created | I99 | Observatorio Blanquita, Vaciamadrid | Spain | Europe |
| | created | I98 | El Berrueco | Spain | Europe |
| | created | I97 | Penn Heights Observatory, Rickmansworth | United Kingdom | Europe |
| | created | I96 | Hyperion Observatory, Urbanizacion Caraquiz | Spain | Europe |
| | created | I95 | Observatorio de la Hita | Spain | Europe |
| | created | I94 | Observatorio Rho Ophiocus, Las Rozas de Madrid | Spain | Europe |
| | created | I93 | St Pardon de Conques | France | Europe |
| | created | I92 | Astreo Observatory, Mairena del Aljarafe | Spain | Europe |
| | created | I91 | Retamar | Spain | Europe |
| | created | I90 | Blackrock Castle Observatory | Ireland | Europe |
| | created | I89 | iTelescope Observatory, Nerpio | Spain | Europe |
| | created | I88 | Fuensanta de Martos | Spain | Europe |
| | created | I87 | Astroshot Observatory, Monasterevin | Ireland | Europe |
| | created | I86 | Observatorio UCM, Madrid | Spain | Europe |
| | created | I85 | Las Negras | Spain | Europe |
| | created | I84 | Cerro del Viento, Badajoz | Spain | Europe |
| | created | I83 | Cherryvalley Observatory, Rathmolyon | Ireland | Europe |
| | created | I82 | Güímar | Spain | Europe |
| | created | I81 | Tarbatness Observatory, Portmahomack | United Kingdom | Europe |
| | created | I80 | Rose Cottage Observatory, Keighley | United Kingdom | Europe |
| | created | I79 | AstroCamp, Nerpio | Spain | Europe |
| | created | I78 | Observatorio Principia, Málaga | Spain | Europe |
| | created | I77 | CEAMIG-REA Observatory, Belo Horizonte | Brazil | South America |
| | created | I76 | Observatorio Tesla, Valdemorillo | Spain | Europe |
| | created | I75 | Observatorio Los Caracoles, Castello | Spain | Europe |
| | created | I74 | Baxter Garden Observatory, Salisbury | United Kingdom | Europe |
| | created | I73 | Salvia Observatory, Saulges | France | Europe |
| | created | I72 | Observatorio Carpe-Noctem, Madrid | Spain | Europe |
| | created | I71 | Observatorio Los Milanos, Caceres | Spain | Europe |
| | created | I70 | Gedney House Observatory, Kirton | United Kingdom | Europe |
| | created | I69 | AGM Observatory, Marrakech | Morocco | Africa |
| | created | I68 | Pousada dos Anoes Observatory | Brazil | South America |
| | created | I67 | Hartley Wintney | United Kingdom | Europe |
| | created | I66 | Taurus Australis Observatory, Brasilia | Brazil | South America |
| | created | I65 | Yunquera | Spain | Europe |
| | created | I64 | Maidenhead | United Kingdom | Europe |
| | created | I63 | Cygnus Observatory, New Airesford | United Kingdom | Europe |
| | created | I62 | Observatorio Helios Ontígola | Spain | Europe |
| | created | I61 | Ourense | Spain | Europe |
| | created | I60 | Guernanderf | France | Europe |
| | created | I59 | Observatorio Fuente de los matos, Muriedas | Spain | Europe |
| | created | I58 | Bétera | Spain | Europe |
| | created | I57 | Elche | Spain | Europe |
| | created | I56 | Observatorio Astronómico John Beckman, Almería | Spain | Europe |
| | created | I55 | Valencia | Spain | Europe |
| | created | I54 | Observatorio Las Vaguadas, Badajoz | Spain | Europe |
| | created | I53 | Armilla | Spain | Europe |
| | created | I52 | Steward Observatory, Mt. Lemmon Station | United States of America | North America |
| | created | I51 | Clinton | United States of America | North America |
| | created | I50 | P2 Observatory, Mayhill | United States of America | North America |
| | created | I49 | Sunflower Observatory, Santa Fe | United States of America | North America |
| | created | I48 | Observatorio El Catalejo, Santa Rosa | Argentina | South America |
| | created | I47 | Pierre Auger Observatory, Malargüe | Argentina | South America |
| | created | I46 | The Cottage Observatory, Altoona | United States of America | North America |
| | created | I45 | W Crusis Astronomical Observatory, San Justo | Argentina | South America |
| | created | I44 | Northwest Florida State College, Niceville | United States of America | North America |
| | created | I43 | Tarleton State University Obs., Stephenville | United States of America | North America |
| | created | I42 | Westport Observatory | United States of America | North America |
| | created | I41 | Palomar Mountain--ZTF | United States of America | North America |
| | created | I40 | La Silla--TRAPPIST | Chile | South America |
| | created | I39 | Observatorio Cruz del Sur, San Justo | Argentina | South America |
| | created | I38 | Observatorio Los Algarrobos, Salto | Uruguay | South America |
| | created | I37 | Astrodomi Observatory, Santa Rita | Argentina | South America |
| | created | I36 | Observatorio Los Campitos, Cañuelas | Argentina | South America |
| | created | I35 | Sidoli | Argentina | South America |
| | created | I34 | Morgantown | United States of America | North America |
| | created | I33 | SOAR, Cerro Pachon | Chile | South America |
| | created | I32 | Observatorio Beta Orionis, Rosario | Argentina | South America |
| | created | I31 | Observatorio Astronomico del Colegio Cristo Rey | Argentina | South America |
| | created | I30 | Observatorio Geminis Austral | Argentina | South America |
| | created | I29 | Middlesex School Observatory, Concord | United States of America | North America |
| | created | I28 | Starhoo Observatory, Lakeville | United States of America | North America |
| | created | I27 | Barred Owl Observatory, Carp | Canada | North America |
| | created | I26 | Observatorio Kappa Crucis, Córdoba | Argentina | South America |
| | created | I25 | ECCCO Observatory, Bosque Alegre | Argentina | South America |
| | created | I24 | Lake of the Woods Observatory, Locust Grove | United States of America | North America |
| | created | I23 | Frosty Cold Observatory, Mash Harbor | United States of America | North America |
| | created | I22 | Abbey Ridge Observatory, Stillwater Lake | Canada | North America |
| | created | I21 | El Condor Observatory, Córdoba | Argentina | South America |
| | created | I20 | Observatorio Astronomico Salvador, Río Cuarto | Argentina | South America |
| | created | I19 | Observatorio El Gato Gris, Tanti | Argentina | South America |
| | created | I18 | Fan Mountain Observatory, Covesville | United States of America | North America |
| | created | I17 | Thomas G. Cupillari Observatory, Fleetville | United States of America | North America |
| | created | I16 | IAA-AI Atacama, San Pedro de Atacama | Chile | South America |
| | created | I15 | Wishing Star Observatory, Barrington | United States of America | North America |
| | created | I14 | Tigh Speuran Observatory, Framingham | United States of America | North America |
| | created | I13 | Burleith Observatory, Washington D.C. | United States of America | North America |
| | created | I12 | Phillips Academy Observatory, Andover | United States of America | North America |
| | created | I11 | Gemini South Observatory, Cerro Pachon | Chile | South America |
| | created | I10 | CAO, San Pedro de Atacama (until 2012) | Chile | South America |
| | created | I09 | Cerro Armazones | Chile | South America |
| | created | I08 | Alianza S4, Cerro Burek | Argentina | South America |
| | created | I07 | Conlin Hill Observatory, Oxford | United States of America | North America |
| | created | I06 | Werner Schmidt Obs., Dennis-Yarmouth Regional HS | United States of America | North America |
| | created | I05 | Las Campanas Observatory-TIE | Chile | South America |
| | created | I04 | Mamalluca Observatory | Chile | South America |
| | created | I03 | European Southern Obs., La Silla--ASTROVIRTEL | Chile | South America |
| | created | I02 | Cerro Tololo Observatory, La Serena--2MASS | Chile | South America |
| | created | I01 | Clay Center Observatory, Brookline | United States of America | North America |
| | created | I00 | Carbuncle Hill Observatory, Coventry | United States of America | North America |
| | created | H99 | Sunhill Observatory, Newton | United States of America | North America |
| | created | H98 | Dark Rosanne Obs., Middlefield | United States of America | North America |
| | created | H97 | Talcott Mountain Science Center, Avon | United States of America | North America |
| | created | H96 | Observatoire des Pléïades, Mandeville | Canada | North America |
| | created | H95 | NJIT Observatory, Newark | United States of America | North America |
| | created | H94 | Cedar Knolls | United States of America | North America |
| | created | H93 | Berkeley Heights | United States of America | North America |
| | created | H92 | Arcturus Observatory | United States of America | North America |
| | created | H91 | Reynolds Observatory, Potsdam | United States of America | North America |
| | created | H90 | Ottawa | Canada | North America |
| | created | H89 | Galaxy Blues Observatory, Gatineau | Canada | North America |
| | created | H88 | Hope Observatory, Belcamp | United States of America | North America |
| | created | H87 | Fenwick Observatory, Richmond | United States of America | North America |
| | created | H86 | CBA-East Observatory, Laurel | United States of America | North America |
| | created | H85 | Silver Spring | United States of America | North America |
| | created | H84 | Northview Observatory, Mendon | United States of America | North America |
| | created | H83 | Timberlake Observatory, Oakton | United States of America | North America |
| | created | H82 | CBA-NOVAC Observatory, Front Royal | United States of America | North America |
| | created | H81 | Hartung-Boothroyd Observatory, Ithaca | United States of America | North America |
| | created | H80 | Halsted Observatory, Princeton | United States of America | North America |
| | created | H79 | York University Observatory, Toronto | Canada | North America |
| | created | H78 | University of Nariño Observatory, Pasto | Colombia | South America |
| | created | H77 | Buehler Observatory | United States of America | North America |
| | created | H76 | Oakridge Observatory, Miami | United States of America | North America |
| | created | H75 | Indian Hill North Observatory, Huntsburg | United States of America | North America |
| | created | H74 | Bar J Observatory, New Smyrna Beach | United States of America | North America |
| | created | H73 | Lakeland Astronomical Observatory, Kirtland | United States of America | North America |
| | created | H72 | Evelyn L. Egan Observatory, Fort Myers | United States of America | North America |
| | created | H71 | Chula | United States of America | North America |
| | created | H70 | Asheville | United States of America | North America |
| | created | H69 | Perkins Observatory, Delaware | United States of America | North America |
| | created | H68 | Red Barn Observatory, Ty Ty | United States of America | North America |
| | created | H67 | Stonegate Observatory, Ann Arbor | United States of America | North America |
| | created | H66 | Yellow Springs | United States of America | North America |
| | created | H65 | Waltonfields Observatory, Walton | United States of America | North America |
| | created | H64 | Thomas More College Observatory, Crestview Hills | United States of America | North America |
| | created | H63 | DeKalb Observatory, Auburn | United States of America | North America |
| | created | H62 | Calvin College Observatory | United States of America | North America |
| | created | H61 | Newcastle | Canada | North America |
| | created | H60 | Heartland Observatory, Carmel | United States of America | North America |
| | created | H59 | Prairie Grass Observatory, Camp Cullom | United States of America | North America |
| | created | H58 | NASA/MSFC ALaMO, Redstone Arsenal | United States of America | North America |
| | created | H57 | Ohio State University Observatory, Lima | United States of America | North America |
| | created | H56 | Northbrook Meadow Observatory | United States of America | North America |
| | created | H55 | Astronomical Research Observatory, Charleston | United States of America | North America |
| | created | H54 | Cedar Drive Observatory, Pulaski | United States of America | North America |
| | created | H53 | Thompsonville | United States of America | North America |
| | created | H52 | Hawkeye Observatory, Durand | United States of America | North America |
| | created | H51 | Greiner Research Observatory, Verona | United States of America | North America |
| | created | H50 | University of Central Arkansas Obs., Conway | United States of America | North America |
| | created | H49 | ATU Astronomical Observatory, Russellville | United States of America | North America |
| | created | H48 | PSU Greenbush Observatory, Pittsburg | United States of America | North America |
| | created | H47 | Vicksburg | United States of America | North America |
| | created | H46 | Ricky Observatory, Blue Springs | United States of America | North America |
| | created | H45 | Arkansas Sky Obs., Petit Jean Mountain South | United States of America | North America |
| | created | H44 | Cascade Mountain | United States of America | North America |
| | created | H43 | Conway | United States of America | North America |
| | created | H42 | Wartburg College Observatory, Waverly | United States of America | North America |
| | created | H41 | Petit Jean Mountain | United States of America | North America |
| | created | H40 | Nubbin Ridge Observatory | United States of America | North America |
| | created | H39 | S.O.S. Observatory, Minneapolis | United States of America | North America |
| | created | H38 | Timberline Observatory, Urbandale | United States of America | North America |
| | created | H37 | Grems Timmons Observatories, Graettinger | United States of America | North America |
| | created | H36 | Sandlot Observatory, Scranton | United States of America | North America |
| | created | H35 | Leavenworth | United States of America | North America |
| | created | H34 | Chapel Hill | United States of America | North America |
| | created | H33 | Bixhoma Observatory, Bixby | United States of America | North America |
| | created | H32 | Texas A&M Physics Observatory, College Station | United States of America | North America |
| | created | H31 | Star Ridge Observatory, Weimar | United States of America | North America |
| | created | H30 | University of Oklahoma Observatory, Norman | United States of America | North America |
| | created | H29 | Ivywood Observatory, Edmond | United States of America | North America |
| | created | H28 | Preston Hills Observatory, Celina | United States of America | North America |
| | created | H27 | Moonglow Observatory, Warrensburg | United States of America | North America |
| | created | H26 | Doc Greiner Research Observatory, Janesvillle | United States of America | North America |
| | created | H25 | Harvest Moon Observatory, Northfield | United States of America | North America |
| | created | H24 | J. C. Veen Observatory, Lowell | United States of America | North America |
| | created | H23 | Pear Tree Observatory, Valparaiso | United States of America | North America |
| | created | H22 | Terre Haute | United States of America | North America |
| | created | H21 | Astronomical Research Observatory, Westfield | United States of America | North America |
| | created | H20 | Eastern Illinois University Obs., Charleston | United States of America | North America |
| | created | H19 | Lone Star Observatory, Caney | United States of America | North America |
| | created | H18 | Vail View Observatory, Vail | United States of America | North America |
| | created | H17 | Angel Peaks Observatory | United States of America | North America |
| | created | H16 | HUT Observatory, Eagle | United States of America | North America |
| | created | H15 | ISON-NM Observatory, Mayhill | United States of America | North America |
| | created | H14 | Morning Star Observatory, Tucson | United States of America | North America |
| | created | H13 | Lenomiya Observatory, Casa Grande | United States of America | North America |
| | created | H12 | TechDome, Mayhill | United States of America | North America |
| | created | H11 | LightBuckets Observatory, Rodeo | United States of America | North America |
| | created | H10 | Tzec Maun Observatory, Mayhill | United States of America | North America |
| | created | H09 | Antelope Hills Observatory, Bennett | United States of America | North America |
| | created | H08 | BlackBird Observatory, Cloudcroft | United States of America | North America |
| | created | H07 | 7300 Observatory, Cloudcroft | United States of America | North America |
| | created | H06 | iTelescope Observatory, Mayhill | United States of America | North America |
| | created | H05 | Edmund Kline Observatory, Deer Trail | United States of America | North America |
| | created | H04 | Santa Fe | United States of America | North America |
| | created | H03 | Sandia View Observatory, Rio Rancho | United States of America | North America |
| | created | H02 | Sulphur Flats Observatory, La Cueva | United States of America | North America |
| | created | H01 | Magdalena Ridge Observatory, Socorro | United States of America | North America |
| | created | H00 | Tyrone | United States of America | North America |
| | created | G99 | NF Observatory, Silver City | United States of America | North America |
| | created | G98 | Calvin-Rehoboth Observatory, Rehoboth | United States of America | North America |
| | created | G97 | Astronomical League Alpha Observatory, Portal | United States of America | North America |
| | created | G96 | University of Arizona Mt. Lemmon Survey | United States of America | North America |
| | created | G95 | Hereford Arizona Observatory, Hereford | United States of America | North America |
| | created | G94 | Sonoran Skies Observatory, St. David | United States of America | North America |
| | created | G93 | Sonoita Research Observatory, Sonoita | United States of America | North America |
| | created | G92 | Jarnac Observatory, Vail | United States of America | North America |
| | created | G91 | Whipple Observatory, Mt. Hopkins--2MASS | United States of America | North America |
| | created | G90 | Three Buttes Observatory, Tucson | United States of America | North America |
| | created | G89 | Kachina Observatory, Flagstaff | United States of America | North America |
| | created | G88 | LAMP Observatory, New River | United States of America | North America |
| | created | G87 | Calvin M. Hooper Memorial Observatory, Hyde Park | United States of America | North America |
| | created | G86 | Tucson-Winterhaven | United States of America | North America |
| | created | G85 | Vermillion Cliffs Observatory, Kanab | United States of America | North America |
| | created | G84 | Mount Lemmon SkyCenter | United States of America | North America |
| | created | G83 | Mt. Graham-LBT | United States of America | North America |
| | created | G82 | SARA Observatory, Kitt Peak | United States of America | North America |
| | created | G81 | Temecula | United States of America | North America |
| | created | G80 | Sierra Remote Observatories, Auberry | United States of America | North America |
| | created | G79 | Goat Mountain Astronomical Research Station | United States of America | North America |
| | created | G78 | Desert Wanderer Observatory, El Centro | United States of America | North America |
| | created | G77 | Baldwin Lake | United States of America | North America |
| | created | G76 | Altimira Observatory, Coto de Caza | United States of America | North America |
| | created | G75 | Starry Knight Observatory, Coto de Caza | United States of America | North America |
| | created | G74 | Boulder Knolls Observatory, Escondido | United States of America | North America |
| | created | G73 | Mount Wilson-TIE | United States of America | North America |
| | created | G72 | University Hills | United States of America | North America |
| | created | G71 | Rancho Palos Verdes | United States of America | North America |
| | created | G70 | Francisquito Observatory, Los Angeles | United States of America | North America |
| | created | G69 | Via Capote Sky Observatory, Thousand Oaks | United States of America | North America |
| | created | G68 | Sierra Stars Observatory, Markleeville | United States of America | North America |
| | created | G67 | Rancho Del Sol, Camino | United States of America | North America |
| | created | G66 | Lake Forest Observatory, Forest Hills | United States of America | North America |
| | created | G65 | Vulcan North, Lick Observatory, Mount Hamilton | United States of America | North America |
| | created | G64 | Blue Canyon Observatory | United States of America | North America |
| | created | G63 | Mill Creek Observatory, The Dalles | United States of America | North America |
| | created | G62 | Sunriver Nature Center Observatory, Sunriver | United States of America | North America |
| | created | G61 | Pleasanton | United States of America | North America |
| | created | G60 | Carroll Observatory, Montecito | United States of America | North America |
| | created | G59 | Maiden Lane Obs., Bainbridge Island | United States of America | North America |
| | created | G58 | Chabot Space and Science Center, Oakland | United States of America | North America |
| | created | G57 | Dilbert Observatory, Forest Grove | United States of America | North America |
| | created | G56 | Walnut Creek | United States of America | North America |
| | created | G55 | Bakersfield | United States of America | North America |
| | created | G54 | Hemet | United States of America | North America |
| | created | G53 | Alder Springs Observatory, Auberry | United States of America | North America |
| | created | G52 | Stone Edge Observatory, El Verano | United States of America | North America |
| | created | G51 | Byrne Observatory, Sedgwick Reserve | United States of America | North America |
| | created | G50 | Organ Mesa Observatory, Las Cruces | United States of America | North America |
| | created | G49 | Minnetonka | United States of America | North America |
| | created | G48 | Harlingten Research Observatory, Rancho Hildalgo | United States of America | North America |
| | created | G47 | HillTopTop Observatory, Edgewood | United States of America | North America |
| | created | G46 | Pinto Valley Observatory | United States of America | North America |
| | created | G45 | Space Surveillance Telescope, Atom Site | United States of America | North America |
| | created | G44 | Observatorio Longa Vista, Sao Paulo | Brazil | South America |
| | created | G43 | Observatorio Buenaventura Suarez, San Luis | Argentina | South America |
| | created | G42 | Observatorio Astronómico UAdeC, Saltillo | Mexico | North America |
| | created | G41 | Insperity Observatory, Humble | United States of America | North America |
| | created | G40 | Slooh.com Canary Islands Observatory | Spain | Europe |
| | created | G39 | ROAD, San Pedro de Atacama | Chile | South America |
| | created | G38 | Observatorio La Senda, Cabanillas del Campo | Spain | Europe |
| | created | G37 | Lowell Discovery Telescope | United States of America | North America |
| | created | G36 | Calar Alto-CASADO | Spain | Europe |
| | created | G35 | Elephant Head Obsevatory, Sahuarita | United States of America | North America |
| | created | G34 | Oberfrauendorf | Germany | Europe |
| | created | G33 | Wickede | Germany | Europe |
| | created | G32 | Elena Remote Observatory, San Pedro de Atacama | Chile | South America |
| | created | G31 | CCAT Trieste | Italy | Europe |
| | created | G30 | Casselman | Canada | North America |
| | created | G29 | Requena | Spain | Europe |
| | created | G28 | Wyncroft Observatory, Attleborough | United Kingdom | Europe |
| | created | G27 | Fabra Observatory, Montsec | Spain | Europe |
| | created | G26 | Fushan Observatory, Mt Shaohua | China | Asia |
| | created | G25 | Sherbrooke | Canada | North America |
| | created | F86 | Moana Observatory, Punaauia | French Polynesia | Oceania |
| | created | F85 | Tiki Observatory, Punaauia | French Polynesia | Oceania |
| | created | F84 | Hibiscus Observatory, Punaauia | French Polynesia | Oceania |
| | created | F65 | Haleakala-Faulkes Telescope North | United States of America | North America |
| | created | F60 | Ironwood Observatory, Hawaii | United States of America | North America |
| | created | F59 | Ironwood Remote Observatory, Hawaii | United States of America | North America |
| | created | F52 | Pan-STARRS 2, Haleakala | United States of America | North America |
| | created | F51 | Pan-STARRS 1, Haleakala | United States of America | North America |
| | created | E94 | Possum Observatory, Gisborne | New Zealand | Oceania |
| | created | E89 | Geyserland Observatory, Pukehangi | New Zealand | Oceania |
| | created | E87 | Turitea | New Zealand | Oceania |
| | created | E85 | Farm Cove | New Zealand | Oceania |
| | created | E83 | Wither Observatory, Witherlea | New Zealand | Oceania |
| | created | E81 | Nelson | New Zealand | Oceania |
| | created | E28 | Kuriwa Observatory, Hawkesbury Heights | Australia | Oceania |
| | created | E27 | Thornlands | Australia | Oceania |
| | created | E26 | RAS Observatory, Biggera Waters | Australia | Oceania |
| | created | E25 | Rochedale (APTA) | Australia | Oceania |
| | created | E24 | Tangra Observatory, St. Clair | Australia | Oceania |
| | created | E23 | Arcadia | Australia | Oceania |
| | created | E22 | Univ. of Southern Queensland Obs., Mt. Kent | Australia | Oceania |
| | created | E21 | Norma Rose Observatory, Leyburn | Australia | Oceania |
| | created | E20 | Marsfield | Australia | Oceania |
| | created | E19 | Kingsgrove | Australia | Oceania |
| | created | E18 | BDI Observatory, Regents Park | Australia | Oceania |
| | created | E17 | Leura | Australia | Oceania |
| | created | E16 | Grove Creek Observatory, Trunkey | Australia | Oceania |
| | created | E15 | Magellan Observatory, near Goulburn | Australia | Oceania |
| | created | E14 | Hunters Hill Observatory, Ngunnawal | Australia | Oceania |
| | created | E13 | Wanniassa | Australia | Oceania |
| | created | E12 | Siding Spring Survey | Australia | Oceania |
| | created | E11 | Frog Rock Observatory, Mudgee | Australia | Oceania |
| | created | E10 | Siding Spring-Faulkes Telescope South | Australia | Oceania |
| | created | E09 | Oakley Southern Sky Observatory, Coonabarabran | Australia | Oceania |
| | created | E08 | Wobblesock Observatory, Coonabarabran | Australia | Oceania |
| | created | E07 | Murrumbateman | Australia | Oceania |
| | created | E05 | Earl Hill Observatory, Trinity Beach | Australia | Oceania |
| | created | E04 | Pacific Sky Observatory, Saipan | Northern Mariana Islands | Oceania |
| | created | E03 | RAS Observatory, Officer | Australia | Oceania |
| | created | E01 | Barfold | Australia | Oceania |
| | created | E00 | Castlemaine | Australia | Oceania |
| | created | D97 | Berri | Australia | Oceania |
| | created | D96 | Tzec Maun Observatory, Moorook | Australia | Oceania |
| | created | D95 | Kurihara | Japan | Asia |
| | created | D94 | Takanezawa, Tochigi | Japan | Asia |
| | created | D93 | Sendai Astronomical Observatory | Japan | Asia |
| | created | D92 | Osaki | Japan | Asia |
| | created | D91 | Adati | Japan | Asia |
| | created | D90 | RAS Observatory, Moorook | Australia | Oceania |
| | created | D89 | Yamagata | Japan | Asia |
| | created | D88 | Hiratsuka | Japan | Asia |
| | created | D87 | Brooklyn Park | Australia | Oceania |
| | created | D86 | Penwortham | Australia | Oceania |
| | created | D85 | Ingle Farm | Australia | Oceania |
| | created | D84 | Hallet Cove | Australia | Oceania |
| | created | D83 | Miwa | Japan | Asia |
| | created | D82 | Wallaroo | Australia | Oceania |
| | created | D81 | Nagano | Japan | Asia |
| | created | D80 | Gumma Astronomical Observatory | Japan | Asia |
| | created | D79 | YSVP Observatory, Vale Park | Australia | Oceania |
| | created | D78 | Iga-Ueno | Japan | Asia |
| | created | D74 | Nakagawa | Japan | Asia |
| | created | D70 | Tosa | Japan | Asia |
| | created | D62 | Miyaki-Argenteus | Japan | Asia |
| | created | D61 | Suntopia Marina, Sumoto | Japan | Asia |
| | created | D58 | KSA SEM Observatory, Danggam-dong | South Korea | Asia |
| | created | D57 | Gimhae Astronomical Observatory, Uhbang-dong | South Korea | Asia |
| | created | D55 | Kangwon Science High School Observatory, Ksho | South Korea | Asia |
| | created | D54 | MASTER-II Observatory, Blagoveshchensk | Russia | Europe |
| | created | D53 | ISON-Blagoveschensk Observatory | Russia | Europe |
| | created | D44 | Ishigakijima Astronomical Observatory | Japan | Asia |
| | created | D39 | Shandong University Observatory, Weihai | China | Asia |
| | created | D37 | Lulin Widefield Telescope, Mt. Lulin | Taiwan | Asia |
| | created | D36 | Tataka, Mt. Yu-Shan National Park | Taiwan | Asia |
| | created | D35 | Lulin Observatory | Taiwan | Asia |
| | created | D34 | Kenting Observatory, Hengchun | South Korea | Asia |
| | created | D33 | Kenting Observatory, Checheng | Taiwan | Asia |
| | created | D32 | JiangNanTianChi Observatory, Mt. Getianling | China | Asia |
| | created | D29 | Purple Mountain Observatory, XuYi Station | China | Asia |
| | created | D25 | Tzec Maun Observatory, Pingelly (before 2010) | Australia | Oceania |
| | created | D24 | LightBuckets Observatory, Pingelly | Australia | Oceania |
| | created | D22 | UWA Observatory, Crawley | Australia | Oceania |
| | created | D21 | Shenton Park | Australia | Oceania |
| | created | D20 | Zadko Observatory, Wallingup Plain | Australia | Oceania |
| | created | D19 | Hong Kong Space Museum Sai Kung iObservatory | China | Asia |
| | created | D18 | Mt. Guizi Observatory | China | Asia |
| | created | D17 | Hong Kong | China | Asia |
| | created | D16 | Po Leung Kuk Observatory, Tuen Mun | China | Asia |
| | created | D14 | Nanchuan Observatory, Guangzhou | China | Asia |
| | created | D09 | Observatory Grömme, Maasmechelen | Belgium | Europe |
| | created | D08 | Ghezz Observatory, Leontica | Switzerland | Europe |
| | created | D07 | Wegberg | Germany | Europe |
| | created | D06 | Associazione Tuscolana di Astronomia, Domatore | Italy | Europe |
| | created | D05 | ISON-Terskol Observatory | Russia | Europe |
| | created | D04 | Krasnodar | Russia | Europe |
| | created | D03 | Rantiga Osservatorio, Tincana | Italy | Europe |
| | created | D02 | Observatori Petit Sant Feliu | Spain | Europe |
| | created | D01 | Andean Northern Observatory, Nummi-Pusula | Finland | Europe |
| | created | D00 | ASC-Kislovodsk Observatory | Russia | Europe |
| | created | C99 | Observatori Can Roig, Llagostera | Spain | Europe |
| | created | C98 | Osservatorio Casellina, Scandicci | Italy | Europe |
| | created | C97 | Al-Fulaij Observatory, Oman | Oman | Asia |
| | created | C96 | OACL Observatory, Mosciano Sant Angelo | Italy | Europe |
| | created | C95 | SATINO Remote Observatory, Haute Provence | France | Europe |
| | created | C94 | MASTER-II Observatory, Tunka | Russia | Europe |
| | created | C93 | Bellavista Observatory, L'Aquila | Italy | Europe |
| | created | C92 | Valdicerro Observatory, Loreto | Italy | Europe |
| | created | C91 | Montevenere Observatory, Monzuno | Italy | Europe |
| | created | C90 | Vinyols | Spain | Europe |
| | created | C89 | Astronomical Station Vidojevica | Republic of Serbia | Europe |
| | created | C88 | Montarrenti Observatory, Siena | Italy | Europe |
| | created | C87 | Rimbach | Germany | Europe |
| | created | C86 | Blanes | Spain | Europe |
| | created | C85 | Observatorio Cala d'Hort, Ibiza | Spain | Europe |
| | created | C84 | Badalona | Spain | Europe |
| | created | C83 | Badalozhnyj Observatory | Russia | Europe |
| | created | C82 | Osservatorio Astronomico Nastro Verde, Sorrento | Italy | Europe |
| | created | C81 | Dolomites Astronomical Observatory | Italy | Europe |
| | created | C80 | Don Astronomical Observatory, Rostov-on-Don | Russia | Europe |
| | created | C79 | Roser Observatory, Blanes | Spain | Europe |
| | created | C78 | Martin S. Kraar Observatory, Rehovot | Israel | Asia |
| | created | C77 | Bernezzo Observatory | Italy | Europe |
| | created | C76 | Observatorio Estels, Àger | Spain | Europe |
| | created | C75 | Whitestar Observatory, Borgobello | Italy | Europe |
| | created | C74 | Observatorio El Teatrillo de Lyra, Àger | Spain | Europe |
| | created | C73 | Galați Observatory | Romania | Europe |
| | created | C72 | Palestrina | Italy | Europe |
| | created | C71 | Sant Marti Sesgueioles | Spain | Europe |
| | created | C70 | Uiterstegracht Station, Leiden | Netherlands | Europe |
| | created | C69 | Bayerwald Sternwarte, Neuhütte | Germany | Europe |
| | created | C68 | Ellinogermaniki Agogi Observatory, Pallini | Greece | Europe |
| | created | C67 | Gnevsdorf | Germany | Europe |
| | created | C66 | Observatorio El Cielo de Consell | Spain | Europe |
| | created | C65 | Observatori Astronòmic del Montsec | Spain | Europe |
| | created | C64 | Puchenstuben | Austria | Europe |
| | created | C63 | Giuseppe Piazzi Observatory, Ponte in Valtellina | Italy | Europe |
| | created | C62 | Eurac Observatory, Bolzano | Italy | Europe |
| | created | C61 | Chelles | France | Europe |
| | created | C60 | Argelander Institute for Astronomy Obs., Bonn | Germany | Europe |
| | created | C57 | TESS | Space | Space |
| | created | C56 | LISA-Pathfinder | Space | Space |
| | created | C55 | Kepler | Space | Space |
| | created | C54 | New Horizons | Space | Space |
| | created | C53 | NEOSSat | Space | Space |
| | created | C52 | Swift | Space | Space |
| | created | C51 | WISE | Space | Space |
| | created | C50 | STEREO-B | Space | Space |
| | created | C49 | STEREO-A | Space | Space |
| | created | C48 | Sayan Solar Observatory, Irkutsk | Russia | Europe |
| | created | C47 | Nonndorf | Austria | Europe |
| | created | C46 | Horizon Observatory, Petropavlovsk | Kazakhstan | Asia |
| | created | C45 | La Giustiniana | Italy | Europe |
| | created | C44 | A. Volta Observatory, Lanzo d'Intelvi | Italy | Europe |
| | created | C43 | Hoyerswerda | Germany | Europe |
| | created | C42 | Xingming Observatory, Mt. Nanshan | China | Asia |
| | created | C41 | MASTER-II Observatory, Kislovodsk | Russia | Europe |
| | created | C40 | Kuban State University Astrophysical Observatory | Russia | Europe |
| | created | C39 | Nijmegen | Netherlands | Europe |
| | created | C38 | Varuna Observatory, Cuorgnè | Italy | Europe |
| | created | C37 | Stowupland | United Kingdom | Europe |
| | created | C36 | Starry Wanderer Observatory, Baran' | Belarus | Europe |
| | created | C35 | Terrassa | Spain | Europe |
| | created | C34 | Baja Astronomical Observatory | Hungary | Europe |
| | created | C33 | Observatorio CEAM, Caimari | Spain | Europe |
| | created | C32 | Ka-Dar Observatory, TAU Station, Nizhny Arkhyz | Russia | Europe |
| | created | C31 | Sternwarte Neanderhoehe Hochdahl e.V., Erkrath | Germany | Europe |
| | created | C30 | Petrozavodsk University Obs., Sheltozero Stn. | Russia | Europe |
| | created | C29 | Observatori Astronómic de Les Planes de Son | Spain | Europe |
| | created | C28 | Wellinghofen | Germany | Europe |
| | created | C27 | Pallerols | Spain | Europe |
| | created | C26 | Levendaal Observatory, Leiden | Netherlands | Europe |
| | created | C25 | Pulkovo Observatory Station, Campo Imperatore | Italy | Europe |
| | created | C24 | Seveso | Italy | Europe |
| | created | C23 | Olmen | Belgium | Europe |
| | created | C22 | Oberwiesenthal | Germany | Europe |
| | created | C21 | Observatorio Via Lactea, Àger | Spain | Europe |
| | created | C20 | Kislovodsk Mtn. Astronomical Stn., Pulkovo Obs. | Russia | Europe |
| | created | C19 | ROSA Observatory, Vaucluse | France | Europe |
| | created | C18 | Frasnes-Lez-Anvaing | Belgium | Europe |
| | created | C17 | Observatorio Joan Roget, Àger | Spain | Europe |
| | created | C16 | Isarwinkel Observatory, Bad Tölz | Germany | Europe |
| | created | C15 | ISON-Ussuriysk Observatory | Russia | Europe |
| | created | C14 | Sky Vistas Observatory, Eichgraben | Austria | Europe |
| | created | C13 | Como | Italy | Europe |
| | created | C12 | Berta Observatory, Sabadell | Spain | Europe |
| | created | C11 | City Observatory, Slaný | Czechia | Europe |
| | created | C10 | Maisoncelles | France | Europe |
| | created | C09 | Rouet | France | Europe |
| | created | C08 | Fiby | Sweden | Europe |
| | created | C07 | Anysllum Observatory, Àger | Spain | Europe |
| | created | C06 | Krasnoyarsk | Russia | Europe |
| | created | C05 | Konigsleiten | Austria | Europe |
| | created | C04 | Kramatorsk | Ukraine | Europe |
| | created | C03 | Clayhole Observatory, Jokela | Finland | Europe |
| | created | C02 | Observatorio Royal Park | Spain | Europe |
| | created | C01 | Lohrmann-Observatorium, Triebenberg | Germany | Europe |
| | created | C00 | Velikie Luki | Russia | Europe |
| | created | B99 | Santa Coloma de Gramenet | Spain | Europe |
| | created | B98 | Siena | Italy | Europe |
| | created | B97 | Sterrenwacht Andromeda, Meppel | Netherlands | Europe |
| | created | B96 | Brixiis Observatory, Kruibeke | Belgium | Europe |
| | created | B95 | Achternholt | Germany | Europe |
| | created | B94 | Petrozavodsk | Russia | Europe |
| | created | B93 | Hoogeveen | Netherlands | Europe |
| | created | B92 | Chinon | France | Europe |
| | created | B91 | Bollwiller | France | Europe |
| | created | B90 | Malina River Observatory, Povoletto | Italy | Europe |
| | created | B89 | Observatori Astronòmic de Tiana | Spain | Europe |
| | created | B88 | Bigmuskie Observatory, Mombercelli | Italy | Europe |
| | created | B87 | Banyoles | Spain | Europe |
| | created | B86 | Sternwarte Hagen | Germany | Europe |
| | created | B85 | Beilen Observatory | Netherlands | Europe |
| | created | B84 | Cyclops Observatory, Oostkapelle | Netherlands | Europe |
| | created | B83 | Gières | France | Europe |
| | created | B82 | Maidbronn | Germany | Europe |
| | created | B81 | Caimari | Spain | Europe |
| | created | B80 | Osservatorio Astronomico Campomaggiore | Italy | Europe |
| | created | B79 | Marana Observatory | Italy | Europe |
| | created | B78 | Astrophoton Observatory, Audorf | Austria | Europe |
| | created | B77 | Schafmatt Observatory, Aarau | Switzerland | Europe |
| | created | B76 | Sternwarte Schönfeld, Dresden | Germany | Europe |
| | created | B75 | Stazione Astronomica Betelgeuse, Magnago | Italy | Europe |
| | created | B74 | Santa Maria de Montmagastrell | Spain | Europe |
| | created | B73 | Mauren Valley Observatory, Holzgerlingen | Germany | Europe |
| | created | B72 | Soerth Observatory | Germany | Europe |
| | created | B71 | Observatorio El Vendrell | Spain | Europe |
| | created | B70 | Sant Celoni | Spain | Europe |
| | created | B69 | Owls and Ravens Observatory, Holzgerlingen | Germany | Europe |
| | created | B68 | Mount Matajur Observatory | Slovenia | Europe |
| | created | B67 | Sternwarte Mirasteilas, Falera | Switzerland | Europe |
| | created | B66 | Osservatorio di Casasco | Italy | Europe |
| | created | B65 | Komakallio Observatory, Kirkkonummi | Finland | Europe |
| | created | B64 | Slope Rock Observatory, Hyvinkaa | Finland | Europe |
| | created | B63 | Solaris Observatory, Luczanowice | Poland | Europe |
| | created | B62 | Brelingen | Germany | Europe |
| | created | B61 | Valldoreix Obs.,Sant Cugat del Valles | Spain | Europe |
| | created | B60 | Deep Sky Observatorium, Bad Bentheim | Germany | Europe |
| | created | B59 | Borken | Germany | Europe |
| | created | B58 | Polaris Observatory, Budapest | Hungary | Europe |
| | created | B57 | Laietania Observatory, Parets del Vallès | Spain | Europe |
| | created | B56 | Observatorio Sant Pere, Mataró | Spain | Europe |
| | created | B55 | Comeglians | Italy | Europe |
| | created | B54 | Ager | Spain | Europe |
| | created | B53 | Casal Lumbroso, Rome | Italy | Europe |
| | created | B52 | Observatorio El Far | Spain | Europe |
| | created | B51 | Vallauris | France | Europe |
| | created | B50 | Corner Observatory, Durmersheim | Germany | Europe |
| | created | B49 | Paus Observatory, Sabadell | Spain | Europe |
| | created | B48 | Bocholt | Germany | Europe |
| | created | B47 | Metsala Observatory, Espoo | Finland | Europe |
| | created | B46 | Sintini Observatory, Alfonsine | Italy | Europe |
| | created | B45 | Narama | Poland | Europe |
| | created | B44 | Eygalayes | France | Europe |
| | created | B43 | Hennef | Germany | Europe |
| | created | B42 | Vitebsk | Belarus | Europe |
| | created | B41 | Zlin Observatory | Czechia | Europe |
| | created | B40 | Skylive Observatory, Catania | Italy | Europe |
| | created | B39 | Tradate | Italy | Europe |
| | created | B38 | Santa Mama | Italy | Europe |
| | created | B37 | Obs. de L' Ametlla del Valles, Barcelona | Spain | Europe |
| | created | B36 | Redshed Observatory, Kallham | Austria | Europe |
| | created | B35 | Bareket Observatory, Macabim | Israel | Asia |
| | created | B34 | Green Island Observatory, Gecitkale | Northern Cyprus | Asia |
| | created | B33 | Libbiano Observatory, Peccioli | Italy | Europe |
| | created | B32 | Gelenau | Germany | Europe |
| | created | B31 | Southern African Large Telescope, Sutherland | South Africa | Africa |
| | created | B30 | Szamotuly-Galowo | Poland | Europe |
| | created | B29 | L'Ampolla Observatory, Tarragona | Spain | Europe |
| | created | B28 | Mandi Observatory, Pagnacco | Italy | Europe |
| | created | B27 | Picard Observatory, St. Veit | Austria | Europe |
| | created | B26 | Observatoire des Terres Blanches, Reillanne | France | Europe |
| | created | B25 | Catania | Italy | Europe |
| | created | B24 | Cesson | France | Europe |
| | created | B23 | Fiamene | Italy | Europe |
| | created | B22 | Observatorio d'Ager | Spain | Europe |
| | created | B21 | Gaisberg Observatory, Schaerding | Austria | Europe |
| | created | B20 | Observatorio Carmelita, Tiana | Spain | Europe |
| | created | B19 | Observatorio Iluro, Mataró | Spain | Europe |
| | created | B18 | Terskol | Russia | Europe |
| | created | B17 | AZT-8 Yevpatoriya | Ukraine | Europe |
| | created | B16 | 1st Moscow Gymnasium Observatory, Lipki | Russia | Europe |
| | created | B15 | Inastars Observatory, Potsdam (since 2006) | Germany | Europe |
| | created | B14 | Ca del Monte | Italy | Europe |
| | created | B13 | Osservatorio di Tradate | Italy | Europe |
| | created | B12 | Koschny Observatory, Noordwijkerhout | Netherlands | Europe |
| | created | B11 | Osservatorio Cima Rest, Magasa | Italy | Europe |
| | created | B10 | Observatoire des Baronnies Provencales, Moydans | France | Europe |
| | created | B09 | Capannoli | Italy | Europe |
| | created | B08 | San Lazzaro di Savena | Italy | Europe |
| | created | B07 | Camorino | Switzerland | Europe |
| | created | B06 | Montseny Astronomical Observatory | Spain | Europe |
| | created | B05 | Ka-Dar Observatory, Barybino | Russia | Europe |
| | created | B04 | OAVdA, Saint-Barthelemy | Italy | Europe |
| | created | B03 | Alter Satzberg, Vienna | Austria | Europe |
| | created | B02 | Kielce | Poland | Europe |
| | created | B01 | Taunus Observatory, Frankfurt | Germany | Europe |
| | created | B00 | Savigny-le-Temple | France | Europe |
| | created | A99 | Osservatorio del Monte Baldo | Italy | Europe |
| | created | A98 | Observatory Mazzarot-1, Baran' | Belarus | Europe |
| | created | A97 | Stammersdorf | Austria | Europe |
| | created | A96 | Klosterneuburg | Austria | Europe |
| | created | A95 | Taurus Hill Observatory, Varkaus | Finland | Europe |
| | created | A94 | Cormons | Italy | Europe |
| | created | A93 | Lucca | Italy | Europe |
| | created | A92 | Urseanu Observatory, Bucharest | Romania | Europe |
| | created | A91 | Hankasalmi Observatory | Finland | Europe |
| | created | A90 | Sant Gervasi Observatory, Barcelona | Spain | Europe |
| | created | A89 | Sterni Observatory, Kempten | Germany | Europe |
| | created | A88 | Bolzaneto | Italy | Europe |
| | created | A87 | Rimbach | Germany | Europe |
| | created | A86 | Albigneux | France | Europe |
| | created | A85 | Odesa Astronomical Observatory, Kryzhanovka | Ukraine | Europe |
| | created | A84 | TUBITAK National Observatory | Turkey | Asia |
| | created | A83 | Jakokoski Observatory | Finland | Europe |
| | created | A82 | Osservatorio Astronomico di Trieste | Slovenia | Europe |
| | created | A81 | Balzaretto Observatory, Rome | Italy | Europe |
| | created | A80 | Lindenberg Observatory | Germany | Europe |
| | created | A79 | Zvezdno Obshtestvo Observatory, Plana | Bulgaria | Europe |
| | created | A78 | Stia | Italy | Europe |
| | created | A77 | Observatoire Chante-Perdrix, Dauban | France | Europe |
| | created | A76 | Andromeda Observatory, Miskolc | Hungary | Europe |
| | created | A75 | Fort Pius Observatory, Barcelona | Spain | Europe |
| | created | A74 | Bergen-Enkheim Observatory | Germany | Europe |
| | created | A73 | Penzing Astrometric Obs., Vienna | Austria | Europe |
| | created | A72 | Radebeul Observatory | Germany | Europe |
| | created | A71 | Stixendorf | Austria | Europe |
| | created | A70 | Lumijoki | Finland | Europe |
| | created | A69 | Osservatorio Palazzo Bindi Sergardi | Italy | Europe |
| | created | A68 | Swedenborg Obs., Bockholmwik | Germany | Europe |
| | created | A67 | Chiusa di Pesio | Italy | Europe |
| | created | A66 | Stazione Osservativa Astronomica, Livorno | Italy | Europe |
| | created | A65 | Le Couvent de Lentin | France | Europe |
| | created | A64 | Couvaloup de St-Cergue | Switzerland | Europe |
| | created | A63 | Cosmosoz Obs., Tassin la Demi Lune | France | Europe |
| | created | A62 | Aichtal | Germany | Europe |
| | created | A61 | Tortona | Italy | Europe |
| | created | A60 | YSTAR-NEOPAT Station, Sutherland | South Africa | Africa |
| | created | A59 | Karlovy Vary Observatory | Czechia | Europe |
| | created | A58 | Observatoire de Chalandray-Canotiers | France | Europe |
| | created | A57 | Osservatorio Astron. Margherita Hack, Firenze | Italy | Europe |
| | created | A56 | Parma | Italy | Europe |
| | created | A55 | Osservatorio Astronomico Vallemare di Borbona | Italy | Europe |
| | created | A54 | Ostrorog | Poland | Europe |
| | created | A53 | Peschiera del Garda | Italy | Europe |
| | created | A52 | Etyek | Hungary | Europe |
| | created | A51 | Danzig | Poland | Europe |
| | created | A50 | Andrushivka Astronomical Observatory | Ukraine | Europe |
| | created | A49 | Uppsala-Ångström | Sweden | Europe |
| | created | A48 | Povegliano Veronese | Italy | Europe |
| | created | A47 | Matera | Italy | Europe |
| | created | A46 | Lelekovice | Czechia | Europe |
| | created | A45 | Karrenkneul | Germany | Europe |
| | created | A44 | Altschwendt | Austria | Europe |
| | created | A43 | Inastars Observatory, Potsdam (before 2006) | Germany | Europe |
| | created | A42 | Gehrden | Germany | Europe |
| | created | A41 | Rezman Observatory, Kamnik | Slovenia | Europe |
| | created | A40 | Pieta | Malta | Europe |
| | created | A39 | Altenburg | Germany | Europe |
| | created | A38 | Campocatino Automated Telescope, Collepardo | Italy | Europe |
| | created | A37 | Mueggelheim | Germany | Europe |
| | created | A36 | Ganda di Aviatico | Italy | Europe |
| | created | A35 | Hormersdorf Observatory | Germany | Europe |
| | created | A34 | Grosshabersdorf | Germany | Europe |
| | created | A33 | Volkssternwarte Kirchheim | Germany | Europe |
| | created | A32 | Panker | Germany | Europe |
| | created | A31 | Corcaroli Observatory | Italy | Europe |
| | created | A30 | Crespadoro | Italy | Europe |
| | created | A29 | Santa Maria a Monte | Italy | Europe |
| | created | A28 | Kempten | Germany | Europe |
| | created | A27 | Eridanus Observatory, Langelsheim | Germany | Europe |
| | created | A26 | Darmstadt | Germany | Europe |
| | created | A25 | Nova Milanese | Italy | Europe |
| | created | A24 | New Millennium Observatory, Mozzate | Italy | Europe |
| | created | A23 | Weinheim | Germany | Europe |
| | created | A22 | Starkenburg Sternwarte-SOHAS | Germany | Europe |
| | created | A21 | Irmtraut | Germany | Europe |
| | created | A20 | Sögel | Germany | Europe |
| | created | A19 | Köln | Germany | Europe |
| | created | A18 | Herne | Germany | Europe |
| | created | A17 | Guidestar Observatory, Weinheim | Germany | Europe |
| | created | A16 | Tentlingen | Switzerland | Europe |
| | created | A15 | Josef Bresser Sternwarte, Borken | Germany | Europe |
| | created | A14 | Les Engarouines Observatory | France | Europe |
| | created | A13 | Observatoire Naef, Ependes | Switzerland | Europe |
| | created | A12 | Stazione Astronomica di Sozzago | Italy | Europe |
| | created | A11 | Wormhout | France | Europe |
| | created | A10 | Observatorio Astronómico de Corbera | Spain | Europe |
| | created | A09 | Quincampoix | France | Europe |
| | created | A08 | Malibert | France | Europe |
| | created | A07 | Gretz-Armainvilliers | France | Europe |
| | created | A06 | Mataró | Spain | Europe |
| | created | A05 | Belesta | France | Europe |
| | created | A04 | Saint-Caprais | France | Europe |
| | created | A03 | Torredembarra | Spain | Europe |
| | created | A02 | Masia Cal Maciarol Modul 8 | Spain | Europe |
| | created | A01 | Masia Cal Maciarol Modul 2 | Spain | Europe |
| | created | A00 | Gravesend | United Kingdom | Europe |
| | created | 999 | Bordeaux-Floirac | France | Europe |
| | created | 998 | London-Mill Hill | United Kingdom | Europe |
| | created | 997 | Hartwell | United Kingdom | Europe |
| | created | 996 | Oxford | United Kingdom | Europe |
| | created | 995 | Durham | United Kingdom | Europe |
| | created | 994 | Godalming | United Kingdom | Europe |
| | created | 993 | Woolston Observatory | United Kingdom | Europe |
| | created | 992 | Liverpool (before 1867) | United Kingdom | Europe |
| | created | 991 | Liverpool (since 1867) | United Kingdom | Europe |
| | created | 990 | Madrid | Spain | Europe |
| | created | 989 | Wilfred Hall Observatory, Preston | United Kingdom | Europe |
| | created | 988 | Glasgow | United Kingdom | Europe |
| | created | 987 | Isle of Man Observatory, Foxdale | Isle of Man | Europe |
| | created | 986 | Ascot | United Kingdom | Europe |
| | created | 985 | Telford | United Kingdom | Europe |
| | created | 984 | Eastfield | United Kingdom | Europe |
| | created | 983 | San Fernando | Spain | Europe |
| | created | 982 | Dunsink Observatory, Dublin | Ireland | Europe |
| | created | 981 | Armagh | United Kingdom | Europe |
| | created | 980 | Lancaster | United Kingdom | Europe |
| | created | 979 | South Wonston | United Kingdom | Europe |
| | created | 978 | Conder Brow | United Kingdom | Europe |
| | created | 977 | Markree | Ireland | Europe |
| | created | 976 | Leamington Spa | United Kingdom | Europe |
| | created | 975 | Observatorio Astronomico de Valencia | Spain | Europe |
| | created | 974 | Genoa Observatory | Italy | Europe |
| | created | 973 | Harrow | United Kingdom | Europe |
| | created | 972 | Dun Echt | United Kingdom | Europe |
| | created | 971 | Lisbon | Portugal | Europe |
| | created | 970 | Chelmsford | United Kingdom | Europe |
| | created | 969 | London-Regents Park | United Kingdom | Europe |
| | created | 968 | Haverhill | United Kingdom | Europe |
| | created | 967 | Greens Norton | United Kingdom | Europe |
| | created | 966 | Church Stretton | United Kingdom | Europe |
| | created | 965 | Observação Astronomica no Algarve, Portimão | Portugal | Europe |
| | created | 964 | Southend Bradfield | United Kingdom | Europe |
| | created | 963 | Werrington | United Kingdom | Europe |
| | created | 962 | Gandia | Spain | Europe |
| | created | 961 | City Observatory, Calton Hill, Edinburgh | United Kingdom | Europe |
| | created | 960 | Rolvenden | United Kingdom | Europe |
| | created | 959 | Ramonville Saint Agne | France | Europe |
| | created | 958 | Observatoire de Dax | France | Europe |
| | created | 957 | Merignac | France | Europe |
| | created | 956 | Observatorio Pozuelo | Spain | Europe |
| | created | 955 | Sassoeiros | Portugal | Europe |
| | created | 954 | Teide Observatory | Spain | Europe |
| | created | 953 | Montjoia | Spain | Europe |
| | created | 952 | Marxuquera | Spain | Europe |
| | created | 951 | Highworth | United Kingdom | Europe |
| | created | 950 | La Palma | Spain | Europe |
| | created | 949 | Durtal | France | Europe |
| | created | 948 | Pymoor | United Kingdom | Europe |
| | created | 947 | Saint-Sulpice | France | Europe |
| | created | 946 | Ametlla de Mar | Spain | Europe |
| | created | 945 | Observatorio Monte Deva | Spain | Europe |
| | created | 944 | Observatorio Geminis, Dos Hermanas | Spain | Europe |
| | created | 943 | Peverell | United Kingdom | Europe |
| | created | 942 | Grantham | United Kingdom | Europe |
| | created | 941 | Observatorio Pla D'Arguines | Spain | Europe |
| | created | 940 | Waterlooville | United Kingdom | Europe |
| | created | 939 | Observatorio Rodeno | Spain | Europe |
| | created | 938 | Linhaceira | Portugal | Europe |
| | created | 937 | Bradbury Observatory, Stockton-on-Tees | United Kingdom | Europe |
| | created | 936 | Ibis Observatory, Manhattan | United States of America | North America |
| | created | 935 | Wyrick Observatory, Haymarket | United States of America | North America |
| | created | 934 | Poway Valley | United States of America | North America |
| | created | 933 | Rockland Observatory, Sierra Vista | United States of America | North America |
| | created | 932 | John J. McCarthy Obs., New Milford | United States of America | North America |
| | created | 931 | Puna'auia | French Polynesia | Oceania |
| | created | 930 | S. S. Observatory, Pamatai | French Polynesia | Oceania |
| | created | 929 | Port Allen | United States of America | North America |
| | created | 928 | Moonedge Observatory, Northport | United States of America | North America |
| | created | 927 | Madison-YRS | United States of America | North America |
| | created | 926 | Tenagra II Observatory, Nogales | United States of America | North America |
| | created | 925 | Palominas Observatory | United States of America | North America |
| | created | 924 | Observatoire du Cégep de Trois-Rivières | Canada | North America |
| | created | 923 | The Bradstreet Observatory, St. Davids | United States of America | North America |
| | created | 922 | Timberland Observatory, Decatur | United States of America | North America |
| | created | 921 | SW Institute for Space Research, Cloudcroft | United States of America | North America |
| | created | 920 | RIT Observatory, Rochester | United States of America | North America |
| | created | 919 | Desert Beaver Observatory | United States of America | North America |
| | created | 918 | Badlands Observatory, Quinn | United States of America | North America |
| | created | 917 | Pacific Lutheran University Keck Observatory | United States of America | North America |
| | created | 916 | Oakley Observatory, Terre Haute | United States of America | North America |
| | created | 915 | River Oaks Observatory, New Braunfels | United States of America | North America |
| | created | 914 | Underwood Observatory, Hubbardston | United States of America | North America |
| | created | 913 | Observatorio Kappa Crucis, Montevideo | Uruguay | South America |
| | created | 912 | Carbuncle Hill Observatory, Greene | United States of America | North America |
| | created | 911 | Collins Observatory, Corning Community College | United States of America | North America |
| | created | 910 | Caussols-ODAS | France | Europe |
| | created | 909 | Snohomish Hilltop Observatory | United States of America | North America |
| | created | 908 | Toyama | Japan | Asia |
| | created | 907 | Melbourne | Australia | Oceania |
| | created | 906 | Cobram | Australia | Oceania |
| | created | 905 | Nachi-Katsuura Observatory | Japan | Asia |
| | created | 904 | Go-Chome and Kobe-Suma | Japan | Asia |
| | created | 903 | Fukuchiyama and Kannabe | Japan | Asia |
| | created | 902 | Ootake | Japan | Asia |
| | created | 901 | Tajimi | Japan | Asia |
| | created | 900 | Moriyama | Japan | Asia |
| | created | 899 | Toma | Japan | Asia |
| | created | 898 | Fujieda | Japan | Asia |
| | created | 897 | YGCO Chiyoda Station | Japan | Asia |
| | created | 896 | Yatsugatake South Base Observatory | Japan | Asia |
| | created | 895 | Hatamae | Japan | Asia |
| | created | 894 | Kiyosato | Japan | Asia |
| | created | 893 | Sendai Municipal Observatory | Japan | Asia |
| | created | 892 | YGCO Hoshikawa and Nagano Stations | Japan | Asia |
| | created | 891 | JCPM Kimachi Station | Japan | Asia |
| | created | 890 | JCPM Tone Station | Japan | Asia |
| | created | 889 | Karasuyama | Japan | Asia |
| | created | 888 | Gekko | Japan | Asia |
| | created | 887 | Ojima | Japan | Asia |
| | created | 886 | Mishima | Japan | Asia |
| | created | 885 | JCPM Yakiimo Station | Japan | Asia |
| | created | 884 | Kawane | Japan | Asia |
| | created | 883 | Shizuoka | Japan | Asia |
| | created | 882 | JCPM Oi Station | Japan | Asia |
| | created | 881 | Toyota | Japan | Asia |
| | created | 880 | Rio de Janeiro | Brazil | South America |
| | created | 879 | Tokai | Japan | Asia |
| | created | 878 | Kagiya | Japan | Asia |
| | created | 877 | Okutama | Japan | Asia |
| | created | 876 | Honjo | Japan | Asia |
| | created | 875 | Yorii | Japan | Asia |
| | created | 874 | Observatório do Pico dos Dias, Itajubá | Brazil | South America |
| | created | 873 | Kurashiki Observatory | Japan | Asia |
| | created | 872 | Tokushima | Japan | Asia |
| | created | 871 | Akou | Japan | Asia |
| | created | 870 | Campiñas | Brazil | South America |
| | created | 869 | Tosa | Japan | Asia |
| | created | 868 | Hidaka Observatory | Japan | Asia |
| | created | 867 | Saji Observatory | Japan | Asia |
| | created | 866 | U.S. Naval Academy, Michelson | United States of America | North America |
| | created | 865 | Emmy Observatory, New Paltz | United States of America | North America |
| | created | 864 | Kumamoto | Japan | Asia |
| | created | 863 | Furukawa | Japan | Asia |
| | created | 862 | Saku | Japan | Asia |
| | created | 861 | Barão Geraldo | Brazil | South America |
| | created | 860 | Valinhos | Brazil | South America |
| | created | 859 | Wykrota Observatory-CEAMIG | Brazil | South America |
| | created | 858 | Tebbutt Observatory, Edgewood | United States of America | North America |
| | created | 857 | Iowa Robotic Observatory, Sonoita | United States of America | North America |
| | created | 856 | Riverside | United States of America | North America |
| | created | 855 | Wayside Observatory, Minnetonka | United States of America | North America |
| | created | 854 | Sabino Canyon Observatory, Tucson | United States of America | North America |
| | created | 853 | Biosphere 2 Observatory | United States of America | North America |
| | created | 852 | River Moss Observatory, St. Peters | United States of America | North America |
| | created | 851 | Burke-Gaffney Observatory, Halifax | Canada | North America |
| | created | 850 | Cordell-Lorenz Observatory, Sewanee | United States of America | North America |
| | created | 849 | Everstar Observatory, Olathe | United States of America | North America |
| | created | 848 | Tenagra Observatory, Cottage Grove | United States of America | North America |
| | created | 847 | Lunar Cafe Observator, Flint | United States of America | North America |
| | created | 846 | Principia Astronomical Observatory, Elsah | United States of America | North America |
| | created | 845 | Ford Observatory, Ithaca | United States of America | North America |
| | created | 844 | Observatorio Astronomico Los Molinos | Uruguay | South America |
| | created | 843 | Emerald Lane Observatory, Decatur | United States of America | North America |
| | created | 842 | Gettysburg College Observatory | United States of America | North America |
| | created | 841 | Martin Observatory, Blacksburg | United States of America | North America |
| | created | 840 | Flint | United States of America | North America |
| | created | 839 | La Plata | Argentina | South America |
| | created | 838 | Dayton | United States of America | North America |
| | created | 837 | Jupiter | United States of America | North America |
| | created | 836 | Furnace Brook Observatory, Cranston | United States of America | North America |
| | created | 835 | Drum Hill Station, Chelmsford | United States of America | North America |
| | created | 834 | Buenos Aires-AAAA | Argentina | South America |
| | created | 833 | Obs. Astronomico de Mercedes, Buenos Aires | Argentina | South America |
| | created | 832 | Etters | United States of America | North America |
| | created | 831 | Rosemary Hill Observatory, University of Florida | United States of America | North America |
| | created | 830 | Hudson | United States of America | North America |
| | created | 829 | Complejo Astronomico El Leoncito | Argentina | South America |
| | created | 828 | Assonet | United States of America | North America |
| | created | 827 | Saint-Félicien | Canada | North America |
| | created | 826 | Plessissville | Canada | North America |
| | created | 825 | Granville | United States of America | North America |
| | created | 824 | Lake Clear | United States of America | North America |
| | created | 823 | Fitchburg | United States of America | North America |
| | created | 822 | Córdoba | Argentina | South America |
| | created | 821 | Córdoba-Bosque Alegre | Argentina | South America |
| | created | 820 | Tarija | Bolivia | South America |
| | created | 819 | Val-des-Bois | Canada | North America |
| | created | 818 | Gemeaux Observatory, Laval | Canada | North America |
| | created | 817 | Sudbury | United States of America | North America |
| | created | 816 | Rand Observatory | United States of America | North America |
| | created | 815 | Santiago-Santa Lucia (1849-1861) | Chile | South America |
| | created | 814 | North Scituate | United States of America | North America |
| | created | 813 | Santiago-Quinta Normal (1862-1920) | Chile | South America |
| | created | 812 | Viña del Mar | Chile | South America |
| | created | 811 | Maria Mitchell Observatory, Nantucket | United States of America | North America |
| | created | 810 | Wallace Observatory, Westford | United States of America | North America |
| | created | 809 | European Southern Observatory, La Silla | Chile | South America |
| | created | 808 | El Leoncito | Argentina | South America |
| | created | 807 | Cerro Tololo Observatory, La Serena | Chile | South America |
| | created | 806 | Santiago-Cerro Calán | Chile | South America |
| | created | 805 | Santiago-Cerro El Roble | Chile | South America |
| | created | 804 | Santiago-San Bernardo | Chile | South America |
| | created | 803 | Taunton | United States of America | North America |
| | created | 802 | Harvard Observatory, Cambridge | United States of America | North America |
| | created | 801 | Oak Ridge Observatory | United States of America | North America |
| | created | 800 | Harvard Observatory, Arequipa | Peru | South America |
| | created | 799 | Winchester | United States of America | North America |
| | created | 798 | Yale Observatory, Bethany | United States of America | North America |
| | created | 797 | Yale Observatory, New Haven | United States of America | North America |
| | created | 796 | Stamford | United States of America | North America |
| | created | 795 | Rutherford | United States of America | North America |
| | created | 794 | Vassar College Observatory, Poughkeepsie | United States of America | North America |
| | created | 793 | Dudley Observatory, Albany (before 1893) | United States of America | North America |
| | created | 792 | University of Rhode Island, Quonochontaug | United States of America | North America |
| | created | 791 | Flower and Cook Observatory, Philadelphia | United States of America | North America |
| | created | 790 | Dominion Observatory, Ottawa | Canada | North America |
| | created | 789 | Litchfield Observatory, Clinton | United States of America | North America |
| | created | 788 | Mount Cuba Observatory, Wilmington | United States of America | North America |
| | created | 787 | U.S. Naval Obs., Washington (before 1893) | United States of America | North America |
| | created | 786 | U.S. Naval Obs., Washington (since 1893) | United States of America | North America |
| | created | 785 | Fitz-Randolph Observatory, Princeton | United States of America | North America |
| | created | 784 | Stull Observatory, Alfred University | United States of America | North America |
| | created | 783 | Rixeyville | United States of America | North America |
| | created | 782 | Quito, comet astrograph station | Ecuador | South America |
| | created | 781 | Quito | Ecuador | South America |
| | created | 780 | Leander McCormick Observatory, Charlottesville | United States of America | North America |
| | created | 779 | David Dunlap Observatory, Richmond Hill | Canada | North America |
| | created | 778 | Allegheny Observatory, Pittsburgh | United States of America | North America |
| | created | 777 | Toronto | Canada | North America |
| | created | 776 | Foggy Bottom, Hamilton | United States of America | North America |
| | created | 775 | Sayre Observatory, South Bethlehem | United States of America | North America |
| | created | 774 | Warner and Swasey Nassau Station, Chardon | United States of America | North America |
| | created | 773 | Warner and Swasey Observatory, Cleveland | United States of America | North America |
| | created | 772 | Boltwood Observatory, Stittsville | Canada | North America |
| | created | 771 | Boyeros Observatory, Havana | Cuba | North America |
| | created | 770 | Crescent Moon Observatory, Columbus | United States of America | North America |
| | created | 769 | McMillin Observatory, Columbus | United States of America | North America |
| | created | 768 | Dearborn Observatory, Evanston (aft. Oct. 1939) | United States of America | North America |
| | created | 767 | Ann Arbor | United States of America | North America |
| | created | 766 | Michigan State University Obs., East Lansing | United States of America | North America |
| | created | 765 | Cincinnati | United States of America | North America |
| | created | 764 | Puckett Observatory, Stone Mountain | United States of America | North America |
| | created | 763 | King City | Canada | North America |
| | created | 762 | Four Winds Observatory, Lake Leelanau | United States of America | North America |
| | created | 761 | Zephyrhills | United States of America | North America |
| | created | 760 | Goethe Link Observatory, Brooklyn | United States of America | North America |
| | created | 759 | Nashville | United States of America | North America |
| | created | 758 | BCC Observatory, Cocoa | United States of America | North America |
| | created | 757 | High Point | United States of America | North America |
| | created | 756 | Dearborn Observatory, Evanston (bef. July 1939) | United States of America | North America |
| | created | 755 | Optec Observatory | United States of America | North America |
| | created | 754 | Yerkes Observatory, Williams Bay | United States of America | North America |
| | created | 753 | Washburn Observatory, Madison | United States of America | North America |
| | created | 752 | Puckett Observatory, Mountain Town | United States of America | North America |
| | created | 751 | Lake Saint Louis | United States of America | North America |
| | created | 750 | Hobbs Observatory, Fall Creek | United States of America | North America |
| | created | 749 | Oakwood | United States of America | North America |
| | created | 748 | Van Allen Observatory, Iowa City | United States of America | North America |
| | created | 747 | Highland Road Park Observatory | United States of America | North America |
| | created | 746 | Brooks Observatory, Mt. Pleasant | United States of America | North America |
| | created | 745 | Morrison Obervatory, Glasgow | United States of America | North America |
| | created | 744 | Doyan Rose Observatory, Indianapolis | United States of America | North America |
| | created | 743 | University of Minnesota, Minneapolis | United States of America | North America |
| | created | 742 | Drake University, Des Moines | United States of America | North America |
| | created | 741 | Goodsell Observatory, Northfield | United States of America | North America |
| | created | 740 | SFA Observatory, Nacogdoches | United States of America | North America |
| | created | 739 | Sunflower Observatory, Olathe | United States of America | North America |
| | created | 738 | Observatory of the State University of Missouri | United States of America | North America |
| | created | 737 | New Bullpen Observatory, Alpharetta | United States of America | North America |
| | created | 736 | Houston | United States of America | North America |
| | created | 735 | George Observatory, Needville | United States of America | North America |
| | created | 734 | Farpoint Observatory, Eskridge | United States of America | North America |
| | created | 733 | Allen, Texas | United States of America | North America |
| | created | 732 | Oaxaca | Mexico | North America |
| | created | 731 | Rose-Hulman Observatory, Terre Haute | United States of America | North America |
| | created | 730 | University of North Dakota, Grand Forks | United States of America | North America |
| | created | 729 | Glenlea Astronomical Observatory, Winnipeg | Canada | North America |
| | created | 728 | Corpus Christi | United States of America | North America |
| | created | 727 | Zeno Observatory, Edmond | United States of America | North America |
| | created | 726 | Brainerd | United States of America | North America |
| | created | 725 | Fair Oaks Ranch | United States of America | North America |
| | created | 724 | National Observatory, Tacubaya | Mexico | North America |
| | created | 723 | Cottonwood Observatory, Ada | United States of America | North America |
| | created | 722 | Missouri City | United States of America | North America |
| | created | 721 | Lime Creek | United States of America | North America |
| | created | 720 | Universidad de Monterrey | Mexico | North America |
| | created | 719 | Etscorn Observatory | United States of America | North America |
| | created | 718 | Tooele | United States of America | North America |
| | created | 717 | Prude Ranch | United States of America | North America |
| | created | 716 | Palmer Divide Observatory, Colorado Springs | United States of America | North America |
| | created | 715 | Jornada Observatory, Las Cruces | United States of America | North America |
| | created | 714 | Bagdad | United States of America | North America |
| | created | 713 | Thornton | United States of America | North America |
| | created | 712 | USAF Academy Observatory, Colorado Springs | United States of America | North America |
| | created | 711 | McDonald Observatory, Fort Davis | United States of America | North America |
| | created | 710 | MPO Observatory, Florissant | United States of America | North America |
| | created | 709 | W & B Observatory, Cloudcroft | United States of America | North America |
| | created | 708 | Chamberlin Observatory, Denver | United States of America | North America |
| | created | 707 | Chamberlin field station | United States of America | North America |
| | created | 706 | Salida | United States of America | North America |
| | created | 705 | Apache Point | United States of America | North America |
| | created | 704 | Lincoln Laboratory ETS, New Mexico | United States of America | North America |
| | created | 703 | University of Arizona Catalina Sky Survey | United States of America | North America |
| | created | 702 | Joint Obs. for cometary research, Socorro | United States of America | North America |
| | created | 701 | Junk Bond Observatory, Sierra Vista | United States of America | North America |
| | created | 700 | Chinle | United States of America | North America |
| | created | 699 | Lowell Observatory-LONEOS | United States of America | North America |
| | created | 698 | Mt. Bigelow | United States of America | North America |
| | created | 697 | Kitt Peak, McGraw-Hill | United States of America | North America |
| | created | 696 | Whipple Observatory, Mt. Hopkins | United States of America | North America |
| | created | 695 | Kitt Peak | United States of America | North America |
| | created | 694 | Tumamoc Hill, Tucson | United States of America | North America |
| | created | 693 | Catalina Station, Tucson | United States of America | North America |
| | created | 692 | Steward Observatory, Tucson | United States of America | North America |
| | created | 691 | Steward Observatory, Kitt Peak-Spacewatch | United States of America | North America |
| | created | 690 | Lowell Observatory, Flagstaff | United States of America | North America |
| | created | 689 | U.S. Naval Observatory, Flagstaff | United States of America | North America |
| | created | 688 | Lowell Observatory, Anderson Mesa Station | United States of America | North America |
| | created | 687 | Northern Arizona University, Flagstaff | United States of America | North America |
| | created | 686 | U. of Minn. Infrared Obs., Mt. Lemmon | United States of America | North America |
| | created | 685 | Williams | United States of America | North America |
| | created | 684 | Prescott | United States of America | North America |
| | created | 683 | Goodricke-Pigott Observatory, Tucson | United States of America | North America |
| | created | 682 | Kanab | United States of America | North America |
| | created | 681 | Calgary | Canada | North America |
| | created | 680 | Los Angeles | United States of America | North America |
| | created | 679 | San Pedro Martir | Mexico | North America |
| | created | 678 | Fountain Hills | United States of America | North America |
| | created | 677 | Lake Arrowhead | United States of America | North America |
| | created | 676 | San Clemente | United States of America | North America |
| | created | 675 | Palomar Mountain | United States of America | North America |
| | created | 674 | Ford Observatory, Wrightwood | United States of America | North America |
| | created | 673 | Table Mountain Observatory, Wrightwood | United States of America | North America |
| | created | 672 | Mount Wilson | United States of America | North America |
| | created | 671 | Stony Ridge | United States of America | North America |
| | created | 670 | Camarillo | United States of America | North America |
| | created | 669 | Ojai | United States of America | North America |
| | created | 668 | San Emigdio Peak | United States of America | North America |
| | created | 667 | Wanapum Dam | United States of America | North America |
| | created | 666 | Moorpark College Observatory | United States of America | North America |
| | created | 665 | Wallis Observatory | United States of America | North America |
| | created | 664 | Manastash Ridge Observatory | United States of America | North America |
| | created | 663 | Red Mountain Observatory | United States of America | North America |
| | created | 662 | Lick Observatory, Mount Hamilton | United States of America | North America |
| | created | 661 | Rothney Astrophysical Observatory, Priddis | Canada | North America |
| | created | 660 | Leuschner Observatory, Berkeley | United States of America | North America |
| | created | 659 | Heron Cove Observatory, Orcas | USA | North America |
| | created | 658 | National Research Council of Canada | Canada | North America |
| | created | 657 | Climenhaga Observatory, Victoria | Canada | North America |
| | created | 656 | Victoria | Canada | North America |
| | created | 655 | Sooke | Canada | North America |
| | created | 654 | Table Mountain Observatory, Wrightwood-PHMC | United States of America | North America |
| | created | 653 | Torus Observatory, Buckley | United States of America | North America |
| | created | 652 | Rock Finder Observatory, Calgary | Canada | North America |
| | created | 651 | Grasslands Observatory, Tucson | United States of America | North America |
| | created | 650 | Temecula | United States of America | North America |
| | created | 649 | Powell Observatory, Louisburg | United States of America | North America |
| | created | 648 | Winer Observatory, Sonoita | United States of America | North America |
| | created | 647 | Stone Finder Observatory, Calgary | Canada | North America |
| | created | 646 | Santana Observatory, Rancho Cucamonga | United States of America | North America |
| | created | 645 | Apache Point-Sloan Digital Sky Survey | United States of America | North America |
| | created | 644 | Palomar Mountain/NEAT | United States of America | North America |
| | created | 643 | OCA-Anza Observatory | United States of America | North America |
| | created | 642 | Oak Bay, Victoria | Canada | North America |
| | created | 641 | Overberg | South Africa | Africa |
| | created | 640 | Senftenberger Sternwarte | Czechia | Europe |
| | created | 639 | Dresden | Germany | Europe |
| | created | 638 | Detmold | Germany | Europe |
| | created | 637 | Hamburg-Himmelsmoor | Germany | Europe |
| | created | 636 | Essen | Germany | Europe |
| | created | 635 | Pergignan | France | Europe |
| | created | 634 | Crolles | France | Europe |
| | created | 633 | Romito | Italy | Europe |
| | created | 632 | San Polo A Mosciano | Italy | Europe |
| | created | 631 | Hamburg-Georgswerder | Germany | Europe |
| | created | 630 | Osenbach | France | Europe |
| | created | 629 | Szeged Observatory | Hungary | Europe |
| | created | 628 | Mülheim-Ruhr | Germany | Europe |
| | created | 627 | Blauvac | France | Europe |
| | created | 626 | Geel | Belgium | Europe |
| | created | 625 | Kihei-AMOS Remote Maui Experimental Site | United States of America | North America |
| | created | 624 | Dertingen | Germany | Europe |
| | created | 623 | Liège | Belgium | Europe |
| | created | 622 | Oberwichtrach | Switzerland | Europe |
| | created | 621 | Bergisch Gladbach | Germany | Europe |
| | created | 620 | Observatorio Astronómico de Mallorca | Spain | Europe |
| | created | 619 | Sabadell | Spain | Europe |
| | created | 618 | Martigues | France | Europe |
| | created | 617 | Arbonne la Forêt | France | Europe |
| | created | 616 | Brno | Czechia | Europe |
| | created | 615 | St. Véran | France | Europe |
| | created | 614 | Soisy-sur-Seine | France | Europe |
| | created | 613 | Heisingen | Germany | Europe |
| | created | 612 | Lenkerbeck | Germany | Europe |
| | created | 611 | Starkenburg Sternwarte, Heppenheim | Germany | Europe |
| | created | 610 | Pianoro | Italy | Europe |
| | created | 609 | Osservatorio Polino | Italy | Europe |
| | created | 608 | Haleakala-AMOS | United States of America | North America |
| | created | 607 | Hagen Observatory, Ronkhausen | Germany | Europe |
| | created | 606 | Norderstedt | Germany | Europe |
| | created | 605 | Marl | Germany | Europe |
| | created | 604 | Archenhold Sternwarte, Berlin-Treptow | Germany | Europe |
| | created | 603 | Bothkamp | Germany | Europe |
| | created | 602 | Urania Observatory, Vienna | Austria | Europe |
| | created | 601 | Engelhardt Observatory, Dresden | Germany | Europe |
| | created | 600 | TLC Observatory, Bologna | Italy | Europe |
| | created | 599 | Campo Imperatore-CINEOS | Italy | Europe |
| | created | 598 | Loiano | Italy | Europe |
| | created | 597 | Springe | Germany | Europe |
| | created | 596 | Colleverde di Guidonia | Italy | Europe |
| | created | 595 | Farra d'Isonzo | Italy | Europe |
| | created | 594 | Monte Autore | Italy | Europe |
| | created | 593 | Monte Argentario | Italy | Europe |
| | created | 592 | Solingen | Germany | Europe |
| | created | 591 | Resse Observatory | Germany | Europe |
| | created | 590 | Metzerlen | Switzerland | Europe |
| | created | 589 | Santa Lucia Stroncone | Italy | Europe |
| | created | 588 | Eremo di Tizzano | Italy | Europe |
| | created | 587 | Sormano | Italy | Europe |
| | created | 586 | Pic du Midi | France | Europe |
| | created | 585 | Kyiv comet station | Ukraine | Europe |
| | created | 584 | Leningrad | Russia | Europe |
| | created | 583 | Odesa-Mayaki | Ukraine | Europe |
| | created | 582 | Orwell Park | United Kingdom | Europe |
| | created | 581 | Sedgefield | South Africa | Africa |
| | created | 580 | Graz | Austria | Europe |
| | created | 579 | Novi Ligure | Italy | Europe |
| | created | 578 | Linden Observatory | South Africa | Africa |
| | created | 577 | Metzerlen Observatory | Switzerland | Europe |
| | created | 576 | Burwash | United Kingdom | Europe |
| | created | 575 | La Chaux de Fonds | Switzerland | Europe |
| | created | 574 | Gottolengo | Italy | Europe |
| | created | 573 | Eldagsen | Germany | Europe |
| | created | 572 | Cologne | Germany | Europe |
| | created | 571 | Cavriana | Italy | Europe |
| | created | 570 | Vilnius (since 1939) | Lithuania | Europe |
| | created | 569 | Helsinki | Finland | Europe |
| | created | 568 | Maunakea | United States of America | North America |
| | created | 567 | Chions | Italy | Europe |
| | created | 566 | Haleakala-NEAT/GEODSS | United States of America | North America |
| | created | 565 | Bassano Bresciano | Italy | Europe |
| | created | 564 | Herrsching | Germany | Europe |
| | created | 563 | Seewalchen | Austria | Europe |
| | created | 562 | Figl Observatory, Vienna | Austria | Europe |
| | created | 561 | Piszkéstető Stn. (Konkoly) | Hungary | Europe |
| | created | 560 | Madonna di Dossobuono | Italy | Europe |
| | created | 559 | Serra La Nave | Italy | Europe |
| | created | 558 | Warsaw | Poland | Europe |
| | created | 557 | Ondřejov | Czechia | Europe |
| | created | 556 | Reintal, near Munich | Germany | Europe |
| | created | 555 | Cracow-Fort Skała | Poland | Europe |
| | created | 554 | Burgsolms Observatory, Wetzlar | Germany | Europe |
| | created | 553 | Chorzów | Poland | Europe |
| | created | 552 | Osservatorio S. Vittore, Bologna | Italy | Europe |
| | created | 551 | Hurbanovo | Slovakia | Europe |
| | created | 550 | Schwerin | Germany | Europe |
| | created | 549 | Uppsala | Sweden | Europe |
| | created | 548 | Berlin (1835-1913) | Germany | Europe |
| | created | 547 | Breslau | Poland | Europe |
| | created | 546 | Oppolzer Observatory, Vienna | Austria | Europe |
| | created | 545 | Vienna (before 1879) | Austria | Europe |
| | created | 544 | Wilhelm Foerster Observatory, Berlin | Germany | Europe |
| | created | 543 | Leipzig (before 1861) | Germany | Europe |
| | created | 542 | Falkensee | Germany | Europe |
| | created | 541 | Prague | Czechia | Europe |
| | created | 540 | Linz | Austria | Europe |
| | created | 539 | Kremsmünster | Austria | Europe |
| | created | 538 | Pola | Croatia | Europe |
| | created | 537 | Urania Observatory, Berlin | Germany | Europe |
| | created | 536 | Berlin-Babelsberg | Germany | Europe |
| | created | 535 | Palermo | Italy | Europe |
| | created | 534 | Leipzig (since 1861) | Germany | Europe |
| | created | 533 | Padua | Italy | Europe |
| | created | 532 | Munich | Germany | Europe |
| | created | 531 | Collegio Romano, Rome | Italy | Europe |
| | created | 530 | Lübeck | Germany | Europe |
| | created | 529 | Christiania | Norway | Europe |
| | created | 528 | Göttingen | Germany | Europe |
| | created | 527 | Altona | Germany | Europe |
| | created | 526 | Kiel | Germany | Europe |
| | created | 525 | Marburg | Germany | Europe |
| | created | 524 | Mannheim | Germany | Europe |
| | created | 523 | Frankfurt | Germany | Europe |
| | created | 522 | Strasbourg | France | Europe |
| | created | 521 | Remeis Observatory, Bamberg | Germany | Europe |
| | created | 520 | Bonn | Germany | Europe |
| | created | 519 | Meschede | Germany | Europe |
| | created | 518 | Marine Observatory, Hamburg | Germany | Europe |
| | created | 517 | Geneva (from 1967) | Switzerland | Europe |
| | created | 516 | Hamburg (before 1909) | Germany | Europe |
| | created | 515 | Volkssternwarte Dhaun, near Kirn | Germany | Europe |
| | created | 514 | Mundenheim (1907-1913) | Germany | Europe |
| | created | 513 | Lyons | France | Europe |
| | created | 512 | Leiden (before 1860) | Netherlands | Europe |
| | created | 511 | Haute Provence | France | Europe |
| | created | 510 | Siegen | Germany | Europe |
| | created | 509 | La Seyne sur Mer | France | Europe |
| | created | 508 | Zeist | Netherlands | Europe |
| | created | 507 | Nyenheim | Netherlands | Europe |
| | created | 506 | Bendestorf | Germany | Europe |
| | created | 505 | Simon Stevin | Netherlands | Europe |
| | created | 504 | Le Creusot | France | Europe |
| | created | 503 | Cambridge | United Kingdom | Europe |
| | created | 502 | Colchester | United Kingdom | Europe |
| | created | 501 | Herstmonceux | United Kingdom | Europe |
| | created | 500 | Geocentric | Space | Space |
| | created | 499 | Cheam | United Kingdom | Europe |
| | created | 498 | Earls Barton | United Kingdom | Europe |
| | created | 497 | Loudwater | United Kingdom | Europe |
| | created | 496 | Bishopstoke | United Kingdom | Europe |
| | created | 495 | Altrincham | United Kingdom | Europe |
| | created | 494 | Stakenbridge | United Kingdom | Europe |
| | created | 493 | Calar Alto | Spain | Europe |
| | created | 492 | Mickleover | United Kingdom | Europe |
| | created | 491 | Centro Astronómico de Yebes | Spain | Europe |
| | created | 490 | Wimborne Minster | United Kingdom | Europe |
| | created | 489 | Hemingford Abbots | United Kingdom | Europe |
| | created | 488 | Newcastle-upon-Tyne | United Kingdom | Europe |
| | created | 487 | Macnairston Observatory | United Kingdom | Europe |
| | created | 486 | Palmerston North | New Zealand | Oceania |
| | created | 485 | Carter Observatory, Wellington | New Zealand | Oceania |
| | created | 484 | Happy Valley, Wellington | New Zealand | Oceania |
| | created | 483 | Carter Observatory, Black Birch Station | New Zealand | Oceania |
| | created | 482 | St. Andrews | United Kingdom | Europe |
| | created | 481 | Moorwarfen | Germany | Europe |
| | created | 480 | Cockfield | United Kingdom | Europe |
| | created | 479 | Sollies-Pont | France | Europe |
| | created | 478 | Lamalou-les-Bains | France | Europe |
| | created | 477 | Galleywood | United Kingdom | Europe |
| | created | 476 | Grange Observatory, Bussoleno | Italy | Europe |
| | created | 475 | Turin (before 1913) | Italy | Europe |
| | created | 474 | Mount John Observatory, Lake Tekapo | New Zealand | Oceania |
| | created | 473 | Remanzacco | Italy | Europe |
| | created | 472 | Merlette | France | Europe |
| | created | 471 | Houstrup | Denmark | Europe |
| | created | 470 | Ceccano | Italy | Europe |
| | created | 469 | Courroux | Switzerland | Europe |
| | created | 468 | Astronomical Observatory, Campo Catino | Italy | Europe |
| | created | 467 | Auckland Observatory | New Zealand | Oceania |
| | created | 466 | Mount Molehill Observatory, Auckland | New Zealand | Oceania |
| | created | 465 | Takapuna | New Zealand | Oceania |
| | created | 464 | Toby Point Observatory, Narragansett | United States of America | North America |
| | created | 463 | Sommers-Bausch Observatory, Boulder | United States of America | North America |
| | created | 462 | Mount Belleview Observatory | United States of America | North America |
| | created | 461 | University of Szeged, Piszkéstető Stn. (Konkoly) | Hungary | Europe |
| | created | 460 | Area 52 Observatory, Nashville | United States of America | North America |
| | created | 459 | Smith River Observatory, Danbury | United States of America | North America |
| | created | 458 | Guadarrama Observatory | Spain | Europe |
| | created | 457 | Partizanske | Slovakia | Europe |
| | created | 456 | Daventry Observatory | United Kingdom | Europe |
| | created | 455 | CBA Concord | United States of America | North America |
| | created | 454 | Maryland Space Grant Consortium Observatory | United States of America | North America |
| | created | 453 | Edwards Raven Observatory | United States of America | North America |
| | created | 452 | Big Cypress Observatory, Fort Lauderdale | United States of America | North America |
| | created | 451 | West Skies Observatory, Mulvane | United States of America | North America |
| | created | 450 | Carla Jane Observatory, Charlotte | United States of America | North America |
| | created | 449 | Griffin Hunter Observatory, Bethune | United States of America | North America |
| | created | 448 | Desert Moon Observatory, Las Cruces | United States of America | North America |
| | created | 447 | Centennial Observatory | United States of America | North America |
| | created | 446 | Kingsnake Observatory, Seguin | United States of America | North America |
| | created | 445 | Observatorio d'Ontinyent | Spain | Europe |
| | created | 444 | Star Cruiser Observatory | United States of America | North America |
| | created | 443 | Obs. Astronomico Plomer, Buenos Aires | Argentina | South America |
| | created | 442 | Gualba Observatory | Spain | Europe |
| | created | 441 | Swilken Brae, St. Andrews | United Kingdom | Europe |
| | created | 440 | Elginfield Observatory | Canada | North America |
| | created | 439 | ROTSE-III, Los Alamos | United States of America | North America |
| | created | 438 | Smith College Observatory, Northampton | United States of America | North America |
| | created | 437 | Haverford | United States of America | North America |
| | created | 436 | Osservatorio di Livergnano | Italy | Europe |
| | created | 435 | G. Colombo Astronomical Observatory, Padua | Italy | Europe |
| | created | 434 | S. Benedetto Po | Italy | Europe |
| | created | 433 | Bagnall Beach Observatory | Australia | Oceania |
| | created | 432 | Boambee | Australia | Oceania |
| | created | 431 | Mt. Tarana Observatory, Bathurst | Australia | Oceania |
| | created | 430 | Rainbow Observatory, near Coonabarabran | Australia | Oceania |
| | created | 429 | Hawker | Australia | Oceania |
| | created | 428 | Reedy Creek | Australia | Oceania |
| | created | 427 | Stockport | Australia | Oceania |
| | created | 426 | Woomera | Australia | Oceania |
| | created | 425 | Taylor Range Observatory, Brisbane | Australia | Oceania |
| | created | 424 | Macquarie | Australia | Oceania |
| | created | 423 | North Ryde | Australia | Oceania |
| | created | 422 | Loomberah | Australia | Oceania |
| | created | 421 | Mt. Kajigamori, Otoyo | Japan | Asia |
| | created | 420 | Sydney | Australia | Oceania |
| | created | 419 | Windsor | Australia | Oceania |
| | created | 418 | Tamworth | Australia | Oceania |
| | created | 417 | Yanagida Astronomical Observatory | Japan | Asia |
| | created | 416 | Barton | Australia | Oceania |
| | created | 415 | Kambah | Australia | Oceania |
| | created | 414 | Mount Stromlo | Australia | Oceania |
| | created | 413 | Siding Spring Observatory | Australia | Oceania |
| | created | 412 | Iwaki | Japan | Asia |
| | created | 411 | Oizumi | Japan | Asia |
| | created | 410 | Sengamine | Japan | Asia |
| | created | 409 | Kiyose and Mizuho | Japan | Asia |
| | created | 408 | Nyukasa | Japan | Asia |
| | created | 407 | Kahoku | Japan | Asia |
| | created | 406 | Bibai | Japan | Asia |
| | created | 405 | Kamihoriguchi | Japan | Asia |
| | created | 404 | Yamamoto | Japan | Asia |
| | created | 403 | Kani | Japan | Asia |
| | created | 402 | Dynic Astronomical Observatory | Japan | Asia |
| | created | 401 | Oosato | Japan | Asia |
| | created | 400 | Kitami | Japan | Asia |
| | created | 399 | Kushiro | Japan | Asia |
| | created | 398 | Nagatoro | Japan | Asia |
| | created | 397 | Sapporo Science Center | Japan | Asia |
| | created | 396 | Asahikawa | Japan | Asia |
| | created | 395 | Tokyo-Asahikawa | Japan | Asia |
| | created | 394 | JCPM Hamatonbetsu Station | Japan | Asia |
| | created | 393 | JCPM Sakura Station | Japan | Asia |
| | created | 392 | JCPM Sapporo Station | Japan | Asia |
| | created | 391 | Sendai Observatory, Ayashi Station | Japan | Asia |
| | created | 390 | Utsunomiya | Japan | Asia |
| | created | 389 | Tokyo (before 1938) | Japan | Asia |
| | created | 388 | Tokyo-Mitaka | Japan | Asia |
| | created | 387 | Tokyo-Dodaira | Japan | Asia |
| | created | 386 | Yatsugatake-Kobuchizawa | Japan | Asia |
| | created | 385 | Nihondaira Observatory | Japan | Asia |
| | created | 384 | Shimada | Japan | Asia |
| | created | 383 | Chirorin | Japan | Asia |
| | created | 382 | Tokyo-Norikura | Japan | Asia |
| | created | 381 | Tokyo-Kiso | Japan | Asia |
| | created | 380 | Ishiki | Japan | Asia |
| | created | 379 | Hamamatsu-Yuto | Japan | Asia |
| | created | 378 | Murou | Japan | Asia |
| | created | 377 | Kwasan Observatory, Kyoto | Japan | Asia |
| | created | 376 | Uenohara | Japan | Asia |
| | created | 375 | Uzurano | Japan | Asia |
| | created | 374 | Minami-Oda Observatory | Japan | Asia |
| | created | 373 | Oishi | Japan | Asia |
| | created | 372 | Geisei | Japan | Asia |
| | created | 371 | Tokyo-Okayama | Japan | Asia |
| | created | 370 | Kochi | Japan | Asia |
| | created | 369 | Chichibu | Japan | Asia |
| | created | 368 | Ochiai | Japan | Asia |
| | created | 367 | Yatsuka | Japan | Asia |
| | created | 366 | Miyasaka Observatory | Japan | Asia |
| | created | 365 | Uto Observatory | Japan | Asia |
| | created | 364 | YCPM Kagoshima Station | Japan | Asia |
| | created | 363 | Yamada | Japan | Asia |
| | created | 362 | Ray Observatory | Japan | Asia |
| | created | 361 | Sumoto | Japan | Asia |
| | created | 360 | Kuma Kogen | Japan | Asia |
| | created | 359 | Wakayama | Japan | Asia |
| | created | 358 | Nanyo | Japan | Asia |
| | created | 357 | Shimotsuma | Japan | Asia |
| | created | 356 | Kogota | Japan | Asia |
| | created | 355 | Hadano | Japan | Asia |
| | created | 354 | Kawachi | Japan | Asia |
| | created | 353 | Nishi Kobe | Japan | Asia |
| | created | 352 | Konan | Japan | Asia |
| | created | 351 | Sakamoto | Japan | Asia |
| | created | 350 | Kurohone | Japan | Asia |
| | created | 349 | Ageo | Japan | Asia |
| | created | 348 | Ayabe | Japan | Asia |
| | created | 347 | Utsunomiya-Imaizumi | Japan | Asia |
| | created | 346 | KNUE Astronomical Observatory | South Korea | Asia |
| | created | 345 | Sobaeksan Optical Astronomy Observatory | South Korea | Asia |
| | created | 344 | Bohyunsan Optical Astronomy Observatory | South Korea | Asia |
| | created | 343 | Younchun | South Korea | Asia |
| | created | 342 | Shishikui | Japan | Asia |
| | created | 341 | Akashina | Japan | Asia |
| | created | 340 | Toyonaka | Japan | Asia |
| | created | 337 | Sheshan | China | Asia |
| | created | 334 | Tsingtao | China | Asia |
| | created | 333 | Desert Eagle Observatory | United States of America | North America |
| | created | 330 | Purple Mountain Observatory, Nanking | China | Asia |
| | created | 327 | Peking Observatory, Xinglong Station | China | Asia |
| | created | 324 | Peking Observatory, Shaho Station | China | Asia |
| | created | 323 | Perth Observatory, Bickley | Australia | Oceania |
| | created | 322 | Perth Observatory, Bickley-MCT | Australia | Oceania |
| | created | 321 | Craigie | Australia | Oceania |
| | created | 320 | Chiro Observatory | Australia | Oceania |
| | created | 319 | Perth Observatory, Perth-Lowell Telescope | Australia | Oceania |
| | created | 318 | Quinns Rock | Australia | Oceania |
| | created | 312 | Tsingtao field station, Xisha Islands | China | Asia |
| | created | 309 | Cerro Paranal | Chile | South America |
| | created | 307 | Shattuck Observatory, Hanover | United States of America | North America |
| | created | 306 | Observatorio Taya Beixo, Barquisimeto | Venezuela | South America |
| | created | 305 | Purple Mountain, Hainan Island station | China | Asia |
| | created | 304 | Las Campanas Observatory | Chile | South America |
| | created | 303 | OAN de Llano del Hato, Mérida | Venezuela | South America |
| | created | 302 | University of the Andes station | Venezuela | South America |
| | created | 301 | Mont Megantic | Canada | North America |
| | created | 300 | Bisei Spaceguard Center-BATTeRS | Japan | Asia |
| | created | 299 | Bosscha Observatory, Lembang | Indonesia | Asia |
| | created | 298 | Van Vleck Observatory | United States of America | North America |
| | created | 297 | Middlebury | United States of America | North America |
| | created | 296 | Dudley Observatory, Albany (after 1893) | United States of America | North America |
| | created | 295 | Catholic University Observatory, Washington | United States of America | North America |
| | created | 294 | Astrophysical Obs., College of Staten Island | United States of America | North America |
| | created | 293 | Burlington remote site | United States of America | North America |
| | created | 292 | Burlington, New Jersey | United States of America | North America |
| | created | 291 | LPL/Spacewatch II | United States of America | North America |
| | created | 290 | Mt. Graham-VATT | United States of America | North America |
| | created | 286 | Yunnan Observatory | China | Asia |
| | created | 285 | Flammarion Observatory, Juvisy | France | Europe |
| | created | 284 | Driesen | Poland | Europe |
| | created | 283 | Bremen | Germany | Europe |
| | created | 282 | Nîmes | France | Europe |
| | created | 281 | Bologna | Italy | Europe |
| | created | 280 | Lilienthal | Germany | Europe |
| | created | 279 | Seeberg Observatory, Gotha (1787-1857) | Germany | Europe |
| | created | 278 | Peking, Transit of Venus site | China | Asia |
| | created | 277 | Royal Observatory, Blackford Hill, Edinburgh | United Kingdom | Europe |
| | created | 269 | Magellan-Baade Telescope | Chile | South America |
| | created | 268 | Magellan-Clay Telescope | Chile | South America |
| | created | 267 | New Horizons KBO Search-CFHT | United States of America | North America |
| | created | 266 | New Horizons KBO Search-Subaru | United States of America | North America |
| | created | 262 | European Southern Observatory, La Silla-DSS | Chile | South America |
| | created | 261 | Palomar Mountain-DSS | United States of America | North America |
| | created | 260 | Siding Spring Observatory-DSS | Australia | Oceania |
| | created | 259 | EISCAT Tromso UHF | Norway | Europe |
| | created | 258 | Gaia | Space | Space |
| | created | 257 | Goldstone DSS 25, Fort Irwin | United States of America | North America |
| | created | 256 | Green Bank | United States of America | North America |
| | created | 255 | Yevpatoriya | Ukraine | Europe |
| | created | 254 | Haystack, Westford | United States of America | North America |
| | created | 253 | Goldstone DSS 14, Fort Irwin | United States of America | North America |
| | created | 252 | Goldstone DSS 13, Fort Irwin | United States of America | North America |
| | created | 251 | Arecibo | Puerto Rico | North America |
| | created | 250 | Hubble Space Telescope | Space | Space |
| | created | 249 | SOHO | Space | Space |
| | created | 248 | Hipparcos | Space | Space |
| | created | 247 | Roving Observer | Rover | Rover |
| | created | 246 | Kleť Observatory-KLENOT | Czechia | Europe |
| | created | 245 | Spitzer Space Telescope | Space | Space |
| | created | 244 | Geocentric Occultation Observation | Rover | Rover |
| | created | 243 | Umbrella Observatory, Fredenbeck | Germany | Europe |
| | created | 242 | Varennes | France | Europe |
| | created | 241 | Schaerding | Austria | Europe |
| | created | 240 | Herrenberg Sternwarte | Germany | Europe |
| | created | 239 | Trebur | Germany | Europe |
| | created | 238 | Grorudalen Optical Observatory | Norway | Europe |
| | created | 237 | Baugy | France | Europe |
| | created | 236 | Tomsk | Russia | Europe |
| | created | 235 | CAST Observatory, Talmassons | Italy | Europe |
| | created | 234 | Coddenham Observatory | United Kingdom | Europe |
| | created | 233 | Sauro Donati Astronomical Observatory, San Vito | Italy | Europe |
| | created | 232 | Masquefa Observatory | Spain | Europe |
| | created | 231 | Vesqueville | Belgium | Europe |
| | created | 230 | Mt. Wendelstein Observatory | Germany | Europe |
| | created | 229 | G. C. Gloriosi Astronomical Observatory, Salerno | Italy | Europe |
| | created | 228 | Bruno Zugna Observatory, Trieste | Slovenia | Europe |
| | created | 227 | OrbitJet Observatory, Colden | United States of America | North America |
| | created | 226 | Guido Ruggieri Observatory, Padua | Italy | Europe |
| | created | 225 | Northwood Ridge Observatory | United States of America | North America |
| | created | 224 | Ottmarsheim | France | Europe |
| | created | 223 | Madras | India | Asia |
| | created | 222 | Yerres-Canotiers | France | Europe |
| | created | 221 | IAS Observatory, Hakos | Namibia | Africa |
| | created | 220 | Vainu Bappu Observatory, Kavalur | India | Asia |
| | created | 219 | Japal-Rangapur | India | Asia |
| | created | 218 | Hyderabad | India | Asia |
| | created | 217 | Assah | Kazakhstan | Asia |
| | created | 216 | Observatoire des Côte de Meuse | France | Europe |
| | created | 215 | Buchloe | Germany | Europe |
| | created | 214 | Garching Observatory | Germany | Europe |
| | created | 213 | Observatorio Montcabre | Spain | Europe |
| | created | 212 | Observatorio La Dehesilla | Spain | Europe |
| | created | 211 | Scandicci | Italy | Europe |
| | created | 210 | Alma-Ata | Kazakhstan | Asia |
| | created | 209 | Asiago Observatory, Cima Ekar, 67/92 cm Schmidt | Italy | Europe |
| | created | 208 | Rivalta | Italy | Europe |
| | created | 207 | Osservatorio Antonio Grosso | Italy | Europe |
| | created | 206 | Haagaar Observatory, Eina | Norway | Europe |
| | created | 205 | Obs. Casalecchio di Reno, Bologna | Italy | Europe |
| | created | 204 | Schiaparelli Observatory | Italy | Europe |
| | created | 203 | GiaGa Observatory | Italy | Europe |
| | created | 202 | Tamaris Observatoire, La Seyne sur Mer | France | Europe |
| | created | 201 | Jonathan B. Postel Observatory | Italy | Europe |
| | created | 200 | Beersel Hills Observatory | Belgium | Europe |
| | created | 199 | Telescope Jean-Marc Salomon, Buthiers | France | Europe |
| | created | 198 | Wildberg | Germany | Europe |
| | created | 197 | Bastia | Italy | Europe |
| | created | 196 | Homburg-Erbach | Germany | Europe |
| | created | 195 | Untermenzing Observatory, Munich | Germany | Europe |
| | created | 194 | Tivoli | Namibia | Africa |
| | created | 193 | Sanglok | Tajikistan | Asia |
| | created | 192 | Tashkent | Uzbekistan | Asia |
| | created | 191 | Dushanbe | Tajikistan | Asia |
| | created | 190 | Gissar | Tajikistan | Asia |
| | created | 189 | Geneva (before 1967) | Switzerland | Europe |
| | created | 188 | Maidanak | Uzbekistan | Asia |
| | created | 187 | Astronomical Observatory, Borowiec | Poland | Europe |
| | created | 186 | Kitab | Uzbekistan | Asia |
| | created | 185 | Observatoire Astronomique Jurassien-Vicques | Switzerland | Europe |
| | created | 184 | Valmeca Observatory, Puimichel | France | Europe |
| | created | 183 | Starlab Observatory, Karachay-Cherkessia | Russia | Europe |
| | created | 182 | St. Paul, Réunion | France | Europe |
| | created | 181 | Observatoire des Makes, Saint-Louis | France | Europe |
| | created | 180 | Mauguio | France | Europe |
| | created | 179 | Monte Generoso | Italy | Europe |
| | created | 178 | Collonges | France | Europe |
| | created | 177 | Le Cres | France | Europe |
| | created | 176 | Observatorio Astronómico de Consell | Spain | Europe |
| | created | 175 | F.-X. Bagnoud Observatory, St-Luc | Switzerland | Europe |
| | created | 174 | Nyrölä Observatory, Jyväskylä | Finland | Europe |
| | created | 173 | St. Clotilde, Réunion | France | Europe |
| | created | 172 | Onnens | Switzerland | Europe |
| | created | 171 | Flarestar Observatory, San Gwann | Malta | Europe |
| | created | 170 | Observatorio de Begues | Spain | Europe |
| | created | 169 | Airali Observatory | Italy | Europe |
| | created | 168 | Kourovskaya | Russia | Europe |
| | created | 167 | Bülach Observatory | Switzerland | Europe |
| | created | 166 | Upice | Czechia | Europe |
| | created | 165 | Piera Observatory, Barcelona | Spain | Europe |
| | created | 164 | St. Michel sur Meurthe | France | Europe |
| | created | 163 | Roeser Observatory, Luxembourg | Luxembourg | Europe |
| | created | 162 | Potenza | Italy | Europe |
| | created | 161 | Cerrina Tololo Observatory | Italy | Europe |
| | created | 160 | Castelmartini | Italy | Europe |
| | created | 159 | Monte Agliale | Italy | Europe |
| | created | 158 | Promiod | Italy | Europe |
| | created | 157 | Frasso Sabino | Italy | Europe |
| | created | 156 | Catania Astrophysical Observatory | Italy | Europe |
| | created | 155 | Ole Romer Observatory, Aarhus | Denmark | Europe |
| | created | 154 | Cortina | Italy | Europe |
| | created | 153 | Stuttgart-Hoffeld | Germany | Europe |
| | created | 152 | Moletai Astronomical Observatory | Lithuania | Europe |
| | created | 151 | Eschenberg Observatory, Winterthur | Switzerland | Europe |
| | created | 150 | Maisons Laffitte | France | Europe |
| | created | 149 | Beine-Nauroy | France | Europe |
| | created | 148 | Guitalens | France | Europe |
| | created | 147 | Osservatorio Astronomico di Suno | Italy | Europe |
| | created | 146 | Frignano | Italy | Europe |
| | created | 145 | 's-Gravenwezel | Belgium | Europe |
| | created | 144 | Bray et Lu | France | Europe |
| | created | 143 | Gnosca | Switzerland | Europe |
| | created | 142 | Sinsen | Germany | Europe |
| | created | 141 | Hottviller | France | Europe |
| | created | 140 | Augerolles | France | Europe |
| | created | 139 | Antibes | France | Europe |
| | created | 138 | Village-Neuf | France | Europe |
| | created | 137 | Givatayim Observatory | Israel | Asia |
| | created | 136 | Engelhardt Observatory, Kasan | Russia | Europe |
| | created | 135 | Kasan | Russia | Europe |
| | created | 134 | Groszschwabhausen | Germany | Europe |
| | created | 133 | Les Tardieux | France | Europe |
| | created | 132 | Bedoin | France | Europe |
| | created | 131 | Observatoire de l'Ardeche | France | Europe |
| | created | 130 | Lumezzane | Italy | Europe |
| | created | 129 | Ordubad | Azerbaijan | Asia |
| | created | 128 | Saratov | Russia | Europe |
| | created | 127 | Bornheim | Germany | Europe |
| | created | 126 | Monte Viseggi L. Zannoni Observatory, La Spezia | Italy | Europe |
| | created | 125 | Tbilisi | Georgia | Europe |
| | created | 124 | Castres | France | Europe |
| | created | 123 | Byurakan | Armenia | Europe |
| | created | 122 | Pises Observatory | France | Europe |
| | created | 121 | Kharkiv University, Chuhuivskyi district Station | Ukraine | Europe |
| | created | 120 | Višnjan | Croatia | Europe |
| | created | 119 | Abastuman | Georgia | Europe |
| | created | 118 | Astronomical and Geophysical Observatory, Modra | Slovakia | Europe |
| | created | 117 | Sendling | Germany | Europe |
| | created | 116 | Giesing | Germany | Europe |
| | created | 115 | Zelenchukskaya | Russia | Europe |
| | created | 114 | Engelhardt Observatory, Zelenchukskaya Station | Russia | Europe |
| | created | 113 | Volkssternwarte Drebach, Schoenbrunn | Germany | Europe |
| | created | 112 | Pleiade Observatory, Verona | Italy | Europe |
| | created | 111 | Piazzano Observatory, Florence | Italy | Europe |
| | created | 110 | Rostov | Russia | Europe |
| | created | 109 | Algiers-Kouba | Algeria | Africa |
| | created | 108 | Montelupo | Italy | Europe |
| | created | 107 | Cavezzo | Italy | Europe |
| | created | 106 | Črni Vrh | Slovenia | Europe |
| | created | 105 | Moscow | Russia | Europe |
| | created | 104 | San Marcello Pistoiese | Italy | Europe |
| | created | 103 | Ljubljana | Slovenia | Europe |
| | created | 102 | Zvenigorod | Russia | Europe |
| | created | 101 | Kharkiv | Ukraine | Europe |
| | created | 100 | Ähtäri | Finland | Europe |
| | created | 099 | Lahti | Finland | Europe |
| | created | 098 | Asiago Observatory, Cima Ekar, 182 cm Copernicus | Italy | Europe |
| | created | 097 | Wise Observatory, Mitzpeh Ramon | Israel | Asia |
| | created | 096 | Merate | Italy | Europe |
| | created | 095 | Crimea-Nauchnyi | Ukraine | Europe |
| | created | 094 | Crimea-Simeiz | Ukraine | Europe |
| | created | 093 | Skibotn | Norway | Europe |
| | created | 092 | Torun-Piwnice | Poland | Europe |
| | created | 091 | Observatoire de Nurol, Aurec sur Loire | France | Europe |
| | created | 090 | Mainz | Germany | Europe |
| | created | 089 | Mykolaiv | Ukraine | Europe |
| | created | 088 | Kottomia | Egypt | Africa |
| | created | 087 | Helwan | Egypt | Africa |
| | created | 086 | Odesa | Ukraine | Europe |
| | created | 085 | Kyiv | Ukraine | Europe |
| | created | 084 | Pulkovo | Russia | Europe |
| | created | 083 | Holosiivskyi district-Kyiv | Ukraine | Europe |
| | created | 082 | St. Pölten | Austria | Europe |
| | created | 081 | Leiden Station, Johannesburg | South Africa | Africa |
| | created | 080 | Istanbul | Turkey | Asia |
| | created | 079 | Radcliffe Observatory, Pretoria | South Africa | Africa |
| | created | 078 | Johannesburg | South Africa | Africa |
| | created | 077 | Yale-Columbia Station, Johannesburg | South Africa | Africa |
| | created | 076 | Johannesburg-Hartbeespoort | South Africa | Africa |
| | created | 075 | Tartu | Estonia | Europe |
| | created | 074 | Boyden Observatory, Bloemfontein | South Africa | Africa |
| | created | 073 | Bucharest | Romania | Europe |
| | created | 072 | Scheuren Observatory | Germany | Europe |
| | created | 071 | NAO Rozhen, Smolyan | Bulgaria | Europe |
| | created | 070 | Vilnius (before 1939) | Lithuania | Europe |
| | created | 069 | Baldone | Latvia | Europe |
| | created | 068 | Lviv Polytechnic Institute | Ukraine | Europe |
| | created | 067 | Lviv University Observatory | Ukraine | Europe |
| | created | 066 | Athens | Greece | Europe |
| | created | 065 | Traunstein | Germany | Europe |
| | created | 064 | Turku-Kevola | Finland | Europe |
| | created | 063 | Turku-Tuorla | Finland | Europe |
| | created | 062 | Turku | Finland | Europe |
| | created | 061 | Uzhhorod | Ukraine | Europe |
| | created | 060 | Warsaw-Ostrowik | Poland | Europe |
| | created | 059 | Lomnický Štít | Slovakia | Europe |
| | created | 058 | Kaliningrad | Russia | Europe |
| | created | 057 | Belgrade | Republic of Serbia | Europe |
| | created | 056 | Skalnaté Pleso | Slovakia | Europe |
| | created | 055 | Cracow | Poland | Europe |
| | created | 054 | Brorfelde | Denmark | Europe |
| | created | 053 | Konkoly Observatory, Budapest (since 1933) | Hungary | Europe |
| | created | 052 | Stockholm-Saltsjöbaden | Sweden | Europe |
| | created | 051 | Royal Observatory, Cape of Good Hope | South Africa | Africa |
| | created | 050 | Stockholm (before 1931) | Sweden | Europe |
| | created | 049 | Uppsala-Kvistaberg | Sweden | Europe |
| | created | 048 | Hradec Králové | Czechia | Europe |
| | created | 047 | Poznań | Poland | Europe |
| | created | 046 | Kleť Observatory, České Budějovice | Czechia | Europe |
| | created | 045 | Vienna (since 1879) | Austria | Europe |
| | created | 044 | Capodimonte Observatory, Naples | Italy | Europe |
| | created | 043 | Asiago Astrophysical Observatory, Padua | Italy | Europe |
| | created | 042 | Potsdam | Germany | Europe |
| | created | 041 | Innsbruck | Austria | Europe |
| | created | 040 | Lohrmann Institute, Dresden | Germany | Europe |
| | created | 039 | Lund | Sweden | Europe |
| | created | 038 | Trieste | Italy | Europe |
| | created | 037 | Collurania Observatory, Teramo | Italy | Europe |
| | created | 036 | Castel Gandolfo | Italy | Europe |
| | created | 035 | Copenhagen | Denmark | Europe |
| | created | 034 | Monte Mario Observatory, Rome | Italy | Europe |
| | created | 033 | Karl Schwarzschild Observatory, Tautenburg | Germany | Europe |
| | created | 032 | Jena | Germany | Europe |
| | created | 031 | Sonneberg | Germany | Europe |
| | created | 030 | Arcetri Observatory, Florence | Italy | Europe |
| | created | 029 | Hamburg-Bergedorf | Germany | Europe |
| | created | 028 | Würzburg | Germany | Europe |
| | created | 027 | Milan | Italy | Europe |
| | created | 026 | Berne-Zimmerwald | Switzerland | Europe |
| | created | 025 | Stuttgart | Germany | Europe |
| | created | 024 | Heidelberg-Königstuhl | Germany | Europe |
| | created | 023 | Wiesbaden | Germany | Europe |
| | created | 022 | Pino Torinese | Italy | Europe |
| | created | 021 | Karlsruhe | Germany | Europe |
| | created | 020 | Nice | France | Europe |
| | created | 019 | Neuchâtel | Switzerland | Europe |
| | created | 018 | Düsseldorf-Bilk | Germany | Europe |
| | created | 017 | Hoher List | Germany | Europe |
| | created | 016 | Besançon | France | Europe |
| | created | 015 | Utrecht | Netherlands | Europe |
| | created | 014 | Marseilles | France | Europe |
| | created | 013 | Leiden | Netherlands | Europe |
| | created | 012 | Uccle | Belgium | Europe |
| | created | 011 | Wetzikon | Switzerland | Europe |
| | created | 010 | Caussols | France | Europe |
| | created | 009 | Berne-Uecht | Switzerland | Europe |
| | created | 008 | Algiers-Bouzaréah | Algeria | Africa |
| | created | 007 | Paris | France | Europe |
| | created | 006 | Fabra Observatory, Barcelona | Spain | Europe |
| | created | 005 | Meudon | France | Europe |
| | created | 004 | Toulouse | France | Europe |
| | created | 003 | Montpellier | France | Europe |
| | created | 002 | Rayleigh | United Kingdom | Europe |
| | created | 001 | Crowborough | United Kingdom | Europe |
| | created | 000 | Greenwich | United Kingdom | Europe |