French
DeutschList of observatory codes
This is a list of observatory codes (IAU codes or MPC codes) published by the Minor Planet Center.[1] For a detailed description, see observations of small Solar System bodies.
List
[edit]| Obs. code Map | Observatories, programs, surveys, and dedicated telescopes | CTRY | Region | MPC description |
|---|---|---|---|---|
| 000 | Royal Observatory, Greenwich |  | ENG | Greenwich |
| 001 | Isaac Roberts' Observatory | | ENG | Crowborough |
| 002 | Rayleigh Observatory, Chelmsford borough, Essex | | ENG | Rayleigh |
| 003 | Montpellier Observatory (Observatoire de la Babote; Montpellier Babote Observatory) |  | Occ | Montpellier |
| 004 | Toulouse Observatory | | Occ | Toulouse |
| 005 | Paris Observatory (Observatoire de Paris; Observatoire de Paris-Meudon) | | IDF | Meudon |
| 006 | Fabra Observatory (Observatori Fabra) |  | CT | Fabra Observatory, Barcelona |
| 007 | Paris Observatory (Observatoire de Paris; Observatoire de Paris-Meudon) | | IDF | Paris |
| 008 | Algiers Observatory (Centre de Recherche en Astronomie Astrophysique et Géophysique) |  | - | Algiers-Bouzareah |
| 009 | Uecht Observatory (Sternwarte Uecht, Solar Observatory at Uecht) |  | SWG | Berne-Uecht |
| 010 | CERGA Observatory (Centre de recherches en géodynamique et astrométrie) Src | | PACA | Caussols |
| 011 | Wetzikon Observatory (Sternwarte Wetzikon) | | SWG | Wetzikon |
| 012 | Royal Observatory of Belgium (Uccle Observatory; Observatoire Royal de Belgique; Koninklijke Sterrenwacht van België) |  | BCR | Uccle |
| 013 | Leiden Observatory (Sterrewacht Leiden) |  | Zuid Holland | Leiden |
| 014 | Marseille Observatory | | PACA | Marseilles |
| 015 | Sonnenborgh Observatory | | Utrecht | Utrecht |
| 016 | Besançon Astronomical Observatory (Observatoire de Besançon) | | BFC | Besançon |
| 017 | Hoher List Observatory (Observatorium Hoher List) |  | RP | Hoher List |
| 018 | Düsseldorf-Bilk Observatory (Sternwarte Bilk) | | NRW | Düsseldorf-Bilk |
| 019 | Neuchâtel Observatory | | SWF | Neuchatel |
| 020 | Nice Observatory (Observatoire de Nice); observer: Matthieu Conjat Src: 21 | | PACA | Nice |
| 021 | Karlsruhe Observatory (Sternwarte Karlsruhe) | | BW | Karlsruhe |
| 022 | Observatory of Turin (Pino Torinese; Osservatorio Astronomico di Torino) |  | P | Pino Torinese |
| 023 | Wiesbaden Observatory (Sternwarte Wiesbaden) | | HE | Wiesbaden |
| 024 | Heidelberg-Königstuhl State Observatory (Heidelberg Observatory; Landessternwarte Heidelberg-Königstuhl) | | BW | Heidelberg-Konigstuhl |
| 025 | Stuttgart Observatory | | BW | Stuttgart |
| 026 | Zimmerwald Observatory (Observatorium Zimmerwald) | | SWG | Berne-Zimmerwald |
| 027 | Brera Astronomical Observatory (Osservatorio Astronomico di Brera) | | Lo | Milan |
| 028 | Würzburg Observatory (Sternwarte der Universität Würzburg) | | FB | Würzburg |
| 029 | Hamburg Observatory (Bergedorf Observatory; Hamburger Sternwarte) | | H | Hamburg-Bergedorf |
| 030 | Arcetri Observatory (Osservatorio Astrofisico di Arcetri) | | Tu | Arcetri Observatory, Florence |
| 031 | Sonneberg Observatory | | TH | Sonneberg |
| 032 | Jena Observatory (Astrophysikalisches Institut und Universitäts-Sternwarte Jena) | | TH | Jena |
| 033 | Karl Schwarzschild Observatory (Karl-Schwarzschild-Observatorium) | | TH | Karl Schwarzschild Observatory, Tautenburg |
| 034 | Monte Mario Observatory (Osservatorio Astronomico di Roma Sede di Monte Mario) | | La | Monte Mario Observatory, Rome |
| 035 | Østervold Observatory (Copenhagen University Observatory; Københavns Universitet Astronomisk Observatorium) |  | - | Copenhagen |
| 036 | Vatican Observatory (Specola Vaticana) |  | - | Castel Gandolfo |
| 037 | Collurania-Teramo Observatory (Osservatorio Astronomico di Collurania-Teramo) | | Ab | Collurania Observatory, Teramo |
| 038 | Astronomical Observatory of Trieste (Osservatorio Astronomico di Trieste) | | F | Trieste |
| 039 | Lund Observatory (Lunds Universitet Institutionen för astronomi) |  | Skåne | Lund |
| 040 | Lohrmann Institute | | SN | Lohrmann Institute, Dresden |
| 041 | Innsbruck Observatory |  | Ty | Innsbruck |
| 042 | Einstein Tower | | BB | Potsdam |
| 043 | Asiago Astrophysical Observatory (Osservatorio Astrofisico di Asiago) | | V | Asiago Astrophysical Observatory, Padua |
| 044 | Astronomical Observatory of Capodimonte (Osservatorio Astronomico di Capodimonte) | | Cam | Capodimonte Observatory, Naples |
| 045 | Vienna Observatory (since 1879) (Universitäts-Sternwarte Wien) | | Vi | Vienna (since 1879) |
| 046 | Kleť Observatory, České Budějovice (Hvězdárna Kleť) |  | JC | Klet Observatory, Ceske Budejovice |
| 047 | Poznań Observatory (Obserwatorium Astronomiczne Uniwersytet im. Adama Mickiewicza w Poznaniu) |  | WV | Poznań |
| 048 | Hradec Králové Observatory (Hvězdárna Hradec Králové) | | Hradec Králové | Hradec Kralove |
| 049 | Kvistaberg Observatory | | Up | Uppsala-Kvistaberg |
| 050 | Stockholm Observatory (before 1931) (Stockholms observatorium) | | Sö | Stockholm (before 1931) |
| 051 | Royal Observatory, Cape of Good Hope |  | WC | Cape |
| 052 | Stockholm Observatory (since 1931) (Saltsjöbaden Observatory) | | Sö | Stockholm-Saltsjobaden |
| 053 | Konkoly Observatory (Konkoly Obszervatórium) |  | Budapest | Konkoly Observatory, Budapest (since 1934) |
| 054 | Brorfelde Observatory (Brorfelde Observatoriet) | | - | Brorfelde |
| 055 | Kraków Observatory | | LPV | Cracow |
| 056 | Skalnaté pleso Observatory (Observatórium Skalnaté pleso) |  | Prešov | Skalnate Pleso |
| 057 | Belgrade Observatory |  | - | Belgrade |
| 058 | Königsberg Observatory (before 1944) |   | Kaliningrad | Kaliningrad |
| 059 | Lomnický štít Observatory (Observatórium Lomnický štít) | | Prešov | Lomnicky Stit |
| 060 | Warsaw University Observatory | | MV | Warsaw-Ostrowik |
| 061 | Uzhhorod Observatory |  | Zakarpattia | Uzhhorod |
| 062 | Iso-Heikkilä Observatory (Turku Observatory; Turun observatorio) |  | SW | Turku |
| 063 | Tuorla Observatory (Turku-Tuorla; Tuorlan observatorio) | | SW | Turku-Tuorla |
| 064 | Kevola Observatory (Turku-Kevola; Kevolan tähtitorni) | | SW | Turku-Kevola |
| 065 | Traunstein Observatory | | FB | Traunstein |
| 066 | National Observatory of Athens |  | - | Athens |
| 067 | Astronomical Observatory of Lviv University | | Lviv | Lviv University Observatory |
| 068 | Lviv Polytechnic Institute | | Lviv | Lviv Polytechnic Institute |
| 069 | Baldone, near Riga |  | - | Baldone |
| 070 | Vilnius Observatory (before 1939) | | Vilnius | Vilnius (before 1939) |
| 071 | Rozhen Observatory or Bulgarian National Astronomical Observatory |  | - | NAO Rozhen, Smolyan |
| 072 | Scheuren Observatory | | NRW | Scheuren Observatory |
| 073 | Bucharest Astronomical Observatory |  | - | Bucharest |
| 074 | Boyden Observatory | | Free State | Boyden Observatory, Bloemfontein |
| 075 | University of Tartu Old Observatory active until 1964 (formerly Dorpat Observatory until 1919; not to be confused with modern Tartu Observatory, see L75) |  | Tartu | Tartu |
| 076 | Johannesburg-Hartbeespoort Observatory (Union Observatory Annex), Hartbeespoort | | North West | Johannesburg-Hartbeespoort |
| 077 | Yale-Columbia Southern Station (1925–1951) Src | | Gauteng | Yale-Columbia Station, Johannesburg |
| 078 | Union Observatory (Johannesburg Observatory; Republic Observatory; Transvaal Observatory) | | Gauteng | Johannesburg |
| 079 | Radcliffe Observatory | | Gauteng | Radcliffe Observatory, Pretoria |
| 080 | Istanbul Observatory |  | - | Istanbul |
| 081 | Leiden Southern Station, Hartbeespoort (Leiden Station, Johannesburg) | | North West | Leiden Station, Johannesburg |
| 082 | St. Pölten Observatory | | LA | St. Polten |
| 083 | Main Astronomical Observatory | | Kyiv | Holosiivskyi District, Kyiv |
| 084 | Pulkovo Observatory | | Saint Petersburg | Pulkovo |
| 085 | Kyiv Observatory | | Kyiv | Kyiv |
| 086 | Odesa Observatory | | - | Odesa |
| 087 | Helwan Observatory |  | - | Helwan |
| 088 | Kottomia Observatory | | - | Kottomia |
| 089 | Mykolaiv Observatory | | Mykolaiv | Mykolaiv |
| 090 | Mainz Observatory | | RP | Mainz |
| 091 | Nurol Observatory (Observatoire de Nurol) | | ARA | Observatoire de Nurol, Aurec sur Loire |
| 092 | Toruń Centre for Astronomy (Piwnice Astronomical Observatory; Piwnice Obserwatorium Astronomiczne) | | KPV | Torun-Piwnice |
| 093 | Skibotn Observatory |  | - | Skibotn |
| 094 | Simeiz Observatory | | - | Crimea-Simeis |
| 095 | 1. Crimean Astrophysical Observatory 2. Crimean Astronomical Station of the Sternberg Astronomical Institute 3. Gennadiy Borisov's observatory until it received its own code L51 | | - | Crimea-Nauchnij |
| 096 | Merate Observatory | | Lo | Merate |
| 097 | Wise Observatory |  | - | Wise Observatory, Mitzpeh Ramon |
| 098 | Cima Ekar Observing Station (Stazione osservativa di Asiago Cima Ekar; also see #043 and #209) | | V | Asiago Observatory, Cima Ekar |
| 099 | Lahti Ursa Observatory (Lahden Ursan tähtitorni) | | Päijät-Häme | Lahti |
| 100 | Ähtäri Observatory | | South Ostrobothnia | Ahtari |
| 101 | Kharkiv Observatory (Astronomical Observatory of Kharkiv National University, ХАО) | | Kharkiv | Kharkiv |
| 102 | Zvenigorod Observatory | | Moscow | Zvenigorod |
| 103 | Ljubljana Observatory |  | Ljubljana | Ljubljana |
| 104 | Pistoia Mountains Astronomical Observatory (San Marcello Pistoiese; Osservatorio Astronomico della Montagna Pistoiese; Osservatorio di Pian dei Termini, Pian dei Termini Observatory) | | Tu | San Marcello Pistoiese |
| 105 | Moscow Observatory | | Moscow | Moscow |
| 106 | Črni Vrh Observatory (Observatorij Črni Vrh) | | Primorska | Crni Vrh |
| 107 | Cavezzo Observatory, (Osservatorio Astronomico "Geminiamo Montanari") | | ER | Cavezzo |
| 108 | Montelupo Observatory | | Tu | Montelupo |
| 109 | Kouba Observatory | | - | Algiers-Kouba |
| 110 | Rostov Observatory | | Yaroslavl | Rostov |
| 111 | Piazzano Observatory | | Tu | Piazzano Observatory, Florence |
| 112 | Pleiade Observatory | | V | Pleiade Observatory, Verona |
| 113 | Drebach Observatory (Volkssternwarte Drebach), Schönbrunn | | SN | Volkssternwarte Drebach, Schoenbrunn |
| 114 | Zelenchukskaya Station of the Engelhardt Observatory (see #136), Kazan University Observatory | | Karachay-Cherkessia | Engelhardt Observatory, Zelenchukskaya Station |
| 115 | Special Astrophysical Observatory (SAO) (also see #114) | | Karachay-Cherkessia | Zelenchukskaya |
| 116 | Giesing Observatory, München-Giesing | | FB | Giesing |
| 117 | Sendling Observatory, Munich | | FB | Sendling |
| 118 | Modra Observatory (Astronomické observatórium Modra; Astronomical and Geophysical Observatory, Modra) | | Bratislava | Astronomical and Geophysical Observatory, Modra |
| 119 | Abastuman Observatory |  | - | Abastuman |
| 120 | Višnjan Observatory (Zvjezdarnica Višnjan) |  | - | Visnjan |
| 121 | Chuhuiv Observational Station | | Kharkiv | Chuhuiv Raion, Kharkiv Oblast |
| 122 | Pises Observatory (Observatoire des Pises) | | Occ | Pises Observatory |
| 123 | Byurakan Observatory |  | - | Byurakan |
| 124 | Castres Observatory (Observatoire de Castres) | | Occ | Castres |
| 125 | Tbilisi Observatory | | - | Tbilisi |
| 126 | Monte Viseggi Observatory (Osservatorio Astronomico di Monte Viseggi), obs.: Giulio Scarfì | | Li | Monte Viseggi |
| 127 | Bornheim Observatory | | NRW | Bornheim |
| 128 | Saratov Observatory of the Saratov State University | | Saratov | Saratov |
| 129 | Ordubad Observatory |  | - | Ordubad |
| 130 | Lumezzane Observatory (Osservatorio Astronomico Serafino Zani) | | Lo | Lumezzane |
| 131 | Observatoire de l'Ardèche | | ARA | Observatoire de l'Ardeche |
| 132 | Bédoin Observatory (Observatoire de Bédoin); observer: Pierre Antonini | | PACA | Bedoin |
| 133 | Les Tardieux Observatory; observer: Michel Bœuf | | PACA | Les Tardieux |
| 134 | Großschwabhausen Observatory of the Jena Observatory (see #032) near Jena | | TH | Groszschwabhausen |
| 135 | Kasan Observatory | | Tatarstan | Kasan |
| 136 | Engelhardt Observatory of the Kazan University Observatory | | Tatarstan | Engelhardt Observatory, Kasan |
| 137 | Givatayim Observatory | | - | Givatayim Observatory |
| 138 | Village-Neuf Observatory | | GE | Village-Neuf |
| 139 | Antibes Observatory; observer: Laurent Brunetto[2] | | PACA | Antibes |
| 140 | Augerolles Observatory | | ARA | Augerolles |
| 141 | Hottviller Observatory (Observatoire de Hottviller) | | GE | Hottviller |
| 142 | Sinsen Observatory | | NRW | Sinsen |
| 143 | Gnosca Observatory (Osservatorio Astronomico di Gnosca; observer: Stefano Sposetti) | | SWI | Gnosca |
| 144 | Bray et Lu Observatory | | IDF | Bray et Lu |
| 145 | 's-Gravenwezel Observatory | | VLG | 's-Gravenwezel |
| 146 | Frignano Observatory | | - | Frignano |
| 147 | Suno Observatory (Osservatorio Astronomico di Suno; Osservatorio Astronomico Galileo Galilei) Src | | P | Osservatorio Astronomico di Suno |
| 148 | Guitalens Observatory (Observatoire de Guitalens; observer: Alain Klotz)[2] | | Occ | Guitalens |
| 149 | Beine-Nauroy Observatory | | GE | Beine-Nauroy |
| 150 | Maisons Laffitte Observatory | | IDF | Maisons Laffitte |
| 151 | Eschenberg Observatory (Sternwarte Eschenberg) | | SWG | Eschenberg Observatory, Winterthur |
| 152 | Moletai Astronomical Observatory (MAO) |  | - | Moletai Astronomical Observatory |
| 153 | Stuttgart-Hoffeld Observatory | | BW | Stuttgart-Hoffeld |
| 154 | Cortina Observatory (Associazione Astronomica Cortina; Osservatorio Astronomico del Col Drusciè "Helmut Ullrich"), Cortina d'Ampezzo | | V | Cortina |
| 155 | Ole Rømer Observatory | | - | Ole Romer Observatory, Aarhus |
| 156 | Catania Astrophysical Observatory | | Si | Catania Astrophysical Observatory |
| 157 | Frasso Sabino Observatory (Osservatorio Astronomico Virginio Cesarini – Frasso Sabino) Src | | La | Frasso Sabino |
| 158 | Promiod Observatory (Osservatorio Dalai Lama di Promiod) | | Ao | Promiod |
| 159 | Monte Agliale Observatory (Osservatorio Astronomico di Monte Agliale) | | Tu | Monte Agliale |
| 160 | Castelmartini Observatory (Osservatorio Astronomico di Castelmartini, owner: E. Prosperi) Src | | Tu | Castelmartini |
| 161 | Cerrina Tololo Observatory | | P | Cerrina Tololo Observatory |
| 162 | Potenza Observatory | | B | Potenza |
| 163 | Roeser Observatory |  | - | Roeser Observatory, Luxembourg |
| 164 | St. Michel sur Meurthe Observatory | | GE | St. Michel sur Meurthe |
| 165 | Piera Observatory (Observatori Astronomic de Piera) | | CT | Piera Observatory, Barcelona |
| 166 | Úpice Observatory (Hvězdárna v Úpici) | | Hradec Králové | Upice |
| 167 | Bülach Observatory (Sternwarte Bülach) | | SWG | Bulach Observatory |
| 168 | Kourovskaya Observatory | | Sverdlovsk | Kourovskaya |
| 169 | Airali Observatory | | P | Airali Observatory |
| 170 | Begues Observatory (Observatorio de Begues) | | CT | Observatorio de Begues |
| 171 | Flarestar Observatory |  | - | Flarestar Observatory, San Gwann |
| 172 | Onnens Observatory | | SWF | Onnens |
| 173 | St Clotilde Observatory (Observatoire Sainte-Clotilde) | | Réunion | St. Clotilde, Reunion |
| 174 | Nyrölä Observatory (Nyrölän observatorio), Jyväskylä | | CF | Nyrola Observatory, Jyvaskyla |
| 175 | Bagnoud Observatory | | SWF | F.-X. Bagnoud Observatory, St-Luc |
| 176 | Consell Observatory (Observatorio Astronómico de Consell) | | IB | Observatorio Astronomico de Consell |
| 177 | Le Cres Observatory, observer: Raymond Poncy [2] | | Occ | Le Cres |
| 178 | Collonges Observatory observer: Jean-Gabriel Bosch[2] | | ARA | Collonges |
| 179 | Monte Generoso Observatory (Osservatorio del Monte Generoso) | | SWI | Monte Generoso |
| 180 | Mauguio Observatory | | Occ | Mauguio |
| 181 | Makes Observatory (Observatoire des Makes; observers: Jean-Paul Teng, Andre Peyrot, Alain Klotz)[2] | | Réunion | Observatoire des Makes, Saint-Louis |
| 182 | St Paul Observatory | | Réunion | St. Paul, Reunion |
| 183 | Starlab Observatory | | Karachay-Cherkessia | Starlab Observatory, Karachay-Cherkessia |
| 184 | Valmeca Observatory | | PACA | Valmeca Observatory, Puimichel |
| 185 | Jura Observatory (Observatoire astronomique jurassien) | | SWF | Observatoire Astronomique Jurassien-Vicques |
| 186 | Kitab Observatory, Mt. Maydanak |  | Kashkadarya | Kitab |
| 187 | Borowiec Astrogeodynamic Observatory | | WV | Astronomical Observatory, Borowiec |
| 188 | Majdanak Observatory | | Kashkadarya | Majdanak |
| 189 | Geneva Observatory (old observatory; before 1967) | | SWF | Geneva (before 1967) |
| 190 | Gissar Observatory |  | RR | Gissar |
| 191 | Dushanbe Observatory | | RR | Dushanbe |
| 192 | Tashkent Observatory | | Tashkent | Tashkent |
| 193 | Sanglok Observatory | | Khatlon | Sanglok |
| 194 | Tivoli Observatory |  | - | Tivoli |
| 195 | Untermenzing Observatory | | FB | Untermenzing Observatory, Munich |
| 196 | Homburg-Erbach Observatory | | SL | Homburg-Erbach |
| 197 | Bastia Observatory | | ER | Bastia |
| 198 | Wildberg Observatory (Observatorium Wildberg) Src | | BW | Wildberg |
| 199 | Buthiers Observatory (Observatoire de Buthiers) | | CVL | Buthiers |
| 200 | Beersel Hills Observatory | | VLG | Beersel Hills Observatory |
| 201 | Jonathan B. Postel Observatory, Promiod | | Ao | Jonathan B. Postel Observatory |
| 202 | Tamaris Observatoire | | PACA | Tamaris Observatoire, La Seyne sur Mer |
| 203 | GiaGa Observatory | | Lo | GiaGa Observatory |
| 204 | Schiaparelli Observatory | | Lo | Schiaparelli Observatory |
| 205 | Osservatorio Casalecchio di Reno | | ER | Obs. Casalecchio di Reno, Bologna |
| 206 | Haagaar Observatory | | - | Haagaar Observatory, Eina |
| 207 | Osservatorio Antonio Grosso | | Lo | Osservatorio Antonio Grosso |
| 208 | Rivalta Observatory | | ER | Rivalta |
| 209 | Asiago-DLR Asteroid Survey (ADAS) at the Cima Ekar Station (#098) of the Asiago Observatory (#043) | | V | Asiago Observatory, Cima Ekar-ADAS |
| 210 | Almaty Observatory (Alma-Ata Observatory) |  | - | Alma-Ata |
| 211 | Scandicci Observatory | | Tu | Scandicci |
| 212 | La Dehesilla Observatory (Observatorio La Dehesilla) | | AN | Observatorio La Dehesilla |
| 213 | Montcabre Observatory (Observatorio Montcabre) | | CT | Observatorio Montcabre |
| 214 | Garching Observatory | | FB | Garching Observatory |
| 215 | Buchloe Observatory | | FB | Buchloe |
| 216 | Côtes de Meuse Observatory (Observatoire des Côtes de Meuse) | | GE | Observatoire des Cote de Meuse |
| 217 | Assy Observatory | | - | Assy-Turgen |
| 218 | Hyderabad observatory |  | - | Hyderabad |
| 219 | Japal-Rangapur Observatory | | - | Japal-Rangapur |
| 220 | Vainu Bappu Observatory | | - | Vainu Bappu Observatory, Kavalur |
| 221 | IAS Observatory (IAS), Hakos location | | - | IAS Observatory, Hakos |
| 222 | Yerres-Canotiers Observatory | | IDF | Yerres-Canotiers |
| 223 | Madras Observatory (Indian Institute of Astrophysics) | | - | Madras |
| 224 | Ottmarsheim Observatory (Observatoire d'Ottmarsheim), observer: Claudine Rinner | | GE | Ottmarsheim |
| 225 | Northwood Ridge Observatory, Northwood |  | NH | Northwood Ridge Observatory |
| 226 | Guido Ruggieri Observatory | | V | Guido Ruggieri Observatory, Padua |
| 227 | OrbitJet Observatory | | NY | OrbitJet Observatory, Colden |
| 228 | Bruno Zugna Observatory | | F | Bruno Zugna Observatory, Trieste |
| 229 | G. C. Gloriosi Astronomical Observatory | | Cam | G. C. Gloriosi Astronomical Observatory, Salerno |
| 230 | Mount Wendelstein Observatory | | FB | Mt. Wendelstein Observatory |
| 231 | Vesqueville Observatory | | WAL | Vesqueville |
| 232 | Masquefa Observatory | | CT | Masquefa Observatory |
| 233 | Sauro Donati Astronomical Observatory | | Tu | Sauro Donati Astronomical Observatory, San Vito |
| 234 | Coddenham Observatory | | ENG | Coddenham Observatory |
| 235 | CAST Observatory | | F | CAST Observatory, Talmassons |
| 236 | Tomsk Observatory | | Tomsk | Tomsk |
| 237 | Baugy Observatory | | CVL | Baugy |
| 238 | Grorudalen Optical Observatory | | - | Grorudalen Optical Observatory |
| 239 | Michael Adrian Observatory | | HE | Trebur |
| 240 | Herrenberg Observatory (Herrenberg Sternwarte) at Herrenberg | | BW | Herrenberg Sternwarte |
| 241 | Schaerding Observatory | | UA | Schaerding |
| 242 | Varennes Observatory | | Occ | Varennes |
| 243 | Umbrella Observatory | | NI | Umbrella Observatory, Fredenbeck |
| 244 | Geocentric Occultation Observation | SPACE | geocentric | Geocentric Occultation Observation |
| 245 | Spitzer Space Telescope | SPACE | Earth-trailing | Spitzer Space Telescope |
| 246 | Klet Observatory near Earth and other unusual objects observations team and telescope (KLENOT) at Kleť Observatory (#046) | | JC | Klet Observatory-KLENOT |
| 247 | Roving Observer | - | geocentric | Roving Observer |
| 248 | Hipparcos | SPACE | geostationary | Hipparcos |
| 249 | SOHO | SPACE | L1 | SOHO |
| 250 | Hubble Space Telescope | SPACE | LEO | Hubble Space Telescope |
| 251 | Arecibo Observatory | | PR | Arecibo |
| 252 | Goldstone DSS 13, at Goldstone Deep Space Communications Complex | | CA | Goldstone DSS 13, Fort Irwin |
| 253 | Goldstone DSS 14, at Goldstone Deep Space Communications Complex | | CA | Goldstone DSS 14, Fort Irwin |
| 254 | Haystack Observatory | | MA | Haystack, Westford |
| 255 | Evpatoria Observatory |  | - | Evpatoria |
| 256 | Green Bank Telescope | | WV | Green Bank |
| 257 | Goldstone DSS 25, at Goldstone Deep Space Communications Complex | | CA | Goldstone DSS 25, Fort Irwin |
| 258 | Gaia space observatory | SPACE | L2 | Gaia |
| 259 | EISCAT Tromso UHF | | - | EISCAT Tromso UHF |
| 260 | Digitized Sky Survey (DSS) at Siding Spring Observatory (see #413) |  | NSW | Siding Spring Observatory-DSS |
| 261 | Digitized Sky Survey (DSS) at Palomar Observatory (see #675) | | CA | Palomar Mountain-DSS |
| 262 | Digitized Sky Survey (DSS) at ESA's La Silla see #809 |  | Co | European Southern Observatory, La Silla-DSS |
| 266 | New Horizons KBO Search with the Subaru Telescope | | HI | New Horizons KBO Search-Subaru |
| 267 | New Horizons KBO Search with the Canada–France–Hawaii Telescope | | HI | New Horizons KBO Search-CFHT |
| 268 | New Horizons KBO Search with the Magellan II (Clay) telescope | | Af | New Horizons KBO Search-Magellan/Clay |
| 269 | New Horizons KBO Search with the Magellan I (Baade) telescope | | Af | New Horizons KBO Search-Magellan/Baade |
| 270 | Unistellar Network, (also see #247 and MPC note) | - | geocentric | Unistellar Network, Roving Observer |
| 276 | Plonsk Observatory, Płońsk | | - | Plonsk |
| 277 | Royal Observatory, Edinburgh (ROE) | | SCT | Royal Observatory, Blackford Hill, Edinburgh |
| 278 | Peking, Transit of Venus site |  | Beijing | Peking, Transit of Venus site |
| 279 | Seeberg Observatory, Gotha (1787–1857) | | TH | Seeberg Observatory, Gotha (1787-1857) |
| 280 | Lilienthal Observatory | | SH | Lilienthal |
| 281 | Bologna Observatory | | ER | Bologna |
| 282 | Nîmes Observatory | | Occ | Nîmes |
| 283 | Bremen Observatory | | HB | Bremen |
| 284 | Driesen Observatory, formerly Germany | | LV | Driesen |
| 285 | Flammarion Observatory | | IDF | Flammarion Observatory, Juvisy |
| 286 | Yunnan Observatory | | Yunnan | Yunnan Observatory |
| 290 | Vatican Advanced Technology Telescope (VATT) at Mount Graham (also see #G83) | | AZ | Mt. Graham-VATT |
| 291 | LPL/Spacewatch II (1.8-meter telescope; also see #691) | | AZ | LPL/Spacewatch II |
| 292 | Burlington Observatory | | NJ | Burlington, New Jersey |
| 293 | Burlington remote site Observatory | | NJ | Burlington remote site |
| 294 | Astrophysical Observatory, College of Staten Island | | NY | Astrophysical Obs., College of Staten Island |
| 295 | Catholic University Observatory | | DC | Catholic University Observatory, Washington |
| 296 | Dudley Observatory (after 1893), Schenectady | | NY | Dudley Observatory, Albany (after 1893) |
| 297 | Middlebury College Observatory of Middlebury College | | VT | Middlebury |
| 298 | Van Vleck Observatory, Middletown | | CT | Van Vleck Observatory |
| 299 | Bosscha Observatory, Bandung |  | - | Bosscha Observatory, Lembang |
| 300 | Bisei Spaceguard Center – BATTeRS |  | 33 | Bisei Spaceguard Center-BATTeRS |
| 301 | Observatoire du Mont Mégantic |  | QC | Mont Megantic |
| 302 | University of the Andes, Venezuela station (not built) |  | Mérida | University of the Andes station |
| 303 | Llano del Hato National Astronomical Observatory (Observatorio Astronómico Nacional de Llano del Hato) | | Mérida | OAN de Llano del Hato, Mérida |
| 304 | Las Campanas Observatory | | Af | Las Campanas Observatory |
| 305 | Hainan Island Station – (of the Purple Mountain Obs.; see #330) | | Shaanxi | Purple Mountain, Hainan Island station |
| 306 | Taya Beixo Observatory | | Lara | Observatorio Taya Beixo, Barquisimeto |
| 307 | Shattuck Observatory | | NH | Shattuck Observatory, Hanover |
| 309 | Paranal Observatory | | Af | Cerro Paranal |
| 310 | Minor Planet Center – Test Code | | MA | Minor Planet Center Test Code |
| 312 | Tsingtao field Station, Xisha Islands |  | Kaohsiung | Tsingtao field station, Xisha Islands |
| 318 | Quinns Rock Observatory | | WA | Quinns Rock |
| 319 | Perth Observatory, Perth-Lowell Telescope | | WA | Perth Observatory, Perth-Lowell Telescope |
| 320 | Chiro Observatory | | WA | Chiro Observatory |
| 321 | Craigie Observatory | | WA | Craigie |
| 322 | Perth Observatory, (Bickley-MCT) | | WA | Perth Observatory, Bickley-MCT |
| 323 | Perth Observatory, (Bickley) | | WA | Perth Observatory, Bickley |
| 324 | Shaho Station of the Beijing Astronomical Observatory | | Beijing | Peking Observatory, Shaho Station |
| 327 | Xinglong Station (NAOC) of the Beijing Astronomical Obs. | | Hebei | Peking Observatory, Xinglong Station |
| 330 | Purple Mountain Observatory | | Jiangsu | Purple Mountain Observatory, Nanking |
| 333 | Desert Eagle Observatory | | AZ | Desert Eagle Observatory |
| 334 | Tsingtao Observatory | | Shandong | Tsingtao |
| 337 | Sheshan Observatory, formerly Zô-Sé | | Shanghai | Sheshan, formerly Zo-Se |
| 340 | Toyonaka Observatory | | 27 | Toyonaka |
| 341 | Akashina Observatory | | 20 | Akashina |
| 342 | Shishikui Observatory | | 36 | Shishikui |
| 343 | Younchun Observatory |  | Gyeonggi | Younchun |
| 344 | Bohyunsan Optical Astronomy Observatory (BOAO) | | North Gyeongsang | Bohyunsan Optical Astronomy Observatory |
| 345 | Sobaeksan Optical Astronomy Observatory | | North Chungcheong | Sobaeksan Optical Astronomy Observatory |
| 346 | KNUE Astronomical Observatory | | Sejong-si | KNUE Astronomical Observatory |
| 347 | Utsunomiya-Imaizumi Observatory | | - | Utsunomiya-Imaizumi |
| 348 | Ayabe Observatory | | 26 | Ayabe |
| 349 | Ageo Observatory | | 11 | Ageo |
| 350 | Kurohone Observatory | | 10 | Kurohone |
| 351 | Sakamoto Observatory | | 25 | Sakamoto |
| 352 | Konan Observatory | | 25 | Konan |
| 353 | Nishi Kobe Observatory | | 28 | Nishi Kobe |
| 354 | Kawachi Observatory | | 09 | Kawachi |
| 355 | Hadano Observatory | | 14 | Hadano |
| 356 | Kogota Observatory | | 04 | Kogota |
| 357 | Shimotsuma Observatory | | 08 | Shimotsuma |
| 358 | Nanyo Observatory | | 06 | Nanyo |
| 359 | Wakayama Observatory | | 30 | Wakayama |
| 360 | Kuma Kogen Astronomical Observatory | | 38 | Kuma Kogen |
| 361 | Sumoto Observatory | | 28 | Sumoto |
| 362 | Ray Observatory | | 01 | Ray Observatory |
| 363 | Yamada Observatory | | 40 | Yamada |
| 364 | YCPM Kagoshima Station | | 46 | YCPM Kagoshima Station |
| 365 | Uto Observatory | | 29 | Uto Observatory |
| 366 | Miyasaka Observatory | | 19 | Miyasaka Observatory |
| 367 | Yatsuka Observatory | | 32 | Yatsuka |
| 368 | Ochiai Observatory | | 19 | Ochiai |
| 369 | Chichibu Astronomical Observatory, Naoto Satō | | 11 | Chichibu |
| 370 | Kochi Observatory | | 39 | Kochi |
| 371 | Tokyo-Okayama (Okayama Astrophysical Observatory; OAO) of the Tokyo Observatory | | 33 | Tokyo-Okayama |
| 372 | Geisei Observatory | | 39 | Geisei |
| 373 | Oishi Observatory | | 30 | Oishi |
| 374 | Minami-Oda Observatory | | 28 | Minami-Oda Observatory |
| 375 | Uzurano Observatory | | 28 | Uzurano |
| 376 | Uenohara Observatory | | 19 | Uenohara |
| 377 | Kwasan Observatory, Kyoto University (Kwasan and Hida Observatories) | | 26 | Kwasan Observatory, Kyoto |
| 378 | Murou Observatory | | 29 | Murou |
| 379 | Hamamatsu-Yuto Observatory | | 22 | Hamamatsu-Yuto |
| 380 | Ishiki Observatory | | 23 | Ishiki |
| 381 | Kiso Observatory, University of Tokyo | | 20 | Tokyo-Kiso |
| 382 | Norikura Observatory, of Tokyo Astronomical Observatory | | 13 | Tokyo-Norikura |
| 383 | Chirorin Observatory | | 20 | Chirorin |
| 384 | Shimada Observatory | | 22 | Shimada |
| 385 | Nihondaira Observatory | | 22 | Nihondaira Observatory |
| 386 | Yatsugatake-Kobuchizawa | | 19 | Yatsugatake-Kobuchizawa |
| 387 | Dodaira Observatory of Tokyo Astronomical Obs. | | 11 | Tokyo-Dodaira |
| 388 | Mitaka Observatory, Mitaka, Tokyo (of National Astronomical Observatory) | | 13 | Tokyo-Mitaka |
| 389 | Tokyo Astronomical Observatory (before 1938) | | 13 | Tokyo (before 1938) |
| 390 | Utsunomiya Observatory | | 09 | Utsunomiya |
| 391 | Ayashi Station of the Sendai Obs. | | 04 | Sendai Observatory, Ayashi Station |
| 392 | JCPM Sapporo Station | | 01 | JCPM Sapporo Station |
| 393 | JCPM Sakura Station | | 08 | JCPM Sakura Station |
| 394 | JCPM Hamatonbetsu Station | | 01 | JCPM Hamatonbetsu Station |
| 395 | Tokyo-Asahikawa | | 01 | Tokyo-Asahikawa |
| 396 | Asahikawa Observatory | | 01 | Asahikawa |
| 397 | Sapporo Science Center | | 01 | Sapporo Science Center |
| 398 | Nagatoro Observatory | | 11 | Nagatoro |
| 399 | Kushiro Observatory | | 01 | Kushiro |
| 400 | Kitami Observatory | | 01 | Kitami |
| 401 | Oosato Observatory | | 11 | Oosato |
| 402 | Dynic Astronomical Observatory | | 25 | Dynic Astronomical Observatory |
| 403 | Kani Observatory | | 21 | Kani |
| 404 | Yamamoto Observatory | | 07 | Yamamoto |
| 405 | Kamihoriguchi Observatory | | 10 | Kamihoriguchi |
| 406 | Bibai Observatory | | 01 | Bibai |
| 407 | Kahoku Observatory | | 06 | Kahoku |
| 408 | Mount Nyukasa Station | | 20 | Nyukasa |
| 409 | Kiyose and Mizuho | | 13 | Kiyose and Mizuho |
| 410 | Sengamine Observatory | | 28 | Sengamine |
| 411 | Oizumi Observatory | | 10 | Oizumi |
| 412 | Iwaki Observatory | | 07 | Iwaki |
| 413 | Siding Spring Observatory | | NSW | Siding Spring Observatory |
| 414 | Mount Stromlo Observatory | | ACT | Mount Stromlo |
| 415 | Kambah Observatory, near Canberra | | ACT | Kambah |
| 416 | Barton Observatory, near Canberra | | ACT | Barton |
| 417 | Yanagida Astronomical Observatory | | 17 | Yanagida Astronomical Observatory |
| 418 | Tamworth Observatory | | NSW | Tamworth |
| 419 | Windsor Observatory | | NSW | Windsor |
| 420 | Sydney Observatory | | NSW | Sydney |
| 421 | Mt. Kajigamori | | 39 | Mt. Kajigamori, Otoyo |
| 422 | Loomberah Observatory | | NSW | Loomberah |
| 423 | North Ryde Observatory | | NSW | North Ryde |
| 424 | Macquarie Observatory, near Canberra | | ACT | Macquarie |
| 425 | Taylor Range Observatory | | Qld | Taylor Range Observatory, Brisbane |
| 426 | Woomera Observatory | | SA | Woomera |
| 427 | Stockport Observatory | | SA | Stockport |
| 428 | Reedy Creek Observatory | | Qld | Reedy Creek |
| 429 | Hawker Observatory | | ACT | Hawker |
| 430 | Rainbow Observatory | | NSW | Rainbow Observatory, near Coonabarabran |
| 431 | Mount Tarana Observatory | | NSW | Mt. Tarana Observatory, Bathurst |
| 432 | Boambee Observatory | | NSW | Boambee |
| 433 | Bagnall Beach Observatory | | NSW | Bagnall Beach Observatory |
| 434 | S. Benedetto Po Observatory | | Lo | S. Benedetto Po |
| 435 | G. Colombo Astronomical Observatory | | V | G. Colombo Astronomical Observatory, Padua |
| 436 | Livergnano Observatory (Osservatorio di Livergnano) | | ER | Osservatorio di Livergnano |
| 437 | Haverford Observatory | | PA | Haverford |
| 438 | Smith College Observatory | | MA | Smith College Observatory, Northampton |
| 439 | ROTSE-III | | NM | ROTSE-III, Los Alamos |
| 440 | Elginfield Observatory | | ON | Elginfield Observatory |
| 441 | Swilken Brae Observatory | | SCT | Swilken Brae, St. Andrews |
| 442 | Gualba Observatory | | CL | Gualba Observatory |
| 443 | Plomer Observatory (Observatorio Astronomico Plomer) |  | BA | Obs. Astronomico Plomer, Buenos Aires |
| 444 | Star Cruiser Observatory, Anza | | CA | Star Cruiser Observatory |
| 445 | Observatori d'Ontinyent | | V | Observatorio d'Ontinyent |
| 446 | Kingsnake Observatory | | TX | Kingsnake Observatory, Seguin |
| 447 | Centennial Observatory | | CO | Centennial Observatory |
| 448 | Desert Moon Observatory; observers: Janet and Berton L. Stevens (Src, Src) | | NM | Desert Moon Observatory, Las Cruces |
| 449 | Griffin Hunter Observatory | | SC | Griffin Hunter Observatory, Bethune |
| 450 | Carla Jane Observatory | | NC | Carla Jane Observatory, Charlotte |
| 451 | West Skies Observatory | | KS | West Skies Observatory, Mulvane |
| 452 | Big Cypress Observatory | | FL | Big Cypress Observatory, Fort Lauderdale |
| 453 | Edwards Raven Observatory | | CA | Edwards Raven Observatory |
| 454 | Maryland Space Grant Consortium Observatory | | CA | Maryland Space Grant Consortium Observatory |
| 455 | CBA Concord | | CA | CBA Concord |
| 456 | Daventry Observatory | | ENG | Daventry Observatory |
| 457 | Partizanske Observatory | | Trenčín | Partizanske |
| 458 | Guadarrama Observatory | | MD | Guadarrama Observatory |
| 459 | Smith River Observatory | | NH | Smith River Observatory, Danbury |
| 460 | Area 52 Observatory | | AR | Area 52 Observatory, Nashville |
| 461 | Piszkéstető Station – of the Konkoly Obs., see #561 and #053; Src | | - | University of Szeged, Piszkesteto Stn. (Konkoly) |
| 462 | Mount Belleview Observatory | | MD | Mount Belleview Observatory |
| 463 | Sommers–Bausch Observatory | | CO | Sommers-Bausch Observatory, Boulder |
| 464 | Toby Point Observatory | | RI | Toby Point Observatory, Narragansett |
| 465 | Takapuna Observatory |  | Au | Takapuna |
| 466 | Mount Molehill Observatory | | Au | Mount Molehill Observatory, Auckland |
| 467 | Stardome Observatory (Auckland Observatory) | | Au | Auckland Observatory |
| 468 | Campo Catino Astronomical Observatory (Osservatorio Astronomico Campo Catino) | | La | Astronomical Observatory, Campo Catino |
| 469 | Courroux Observatory | | SWF | Courroux |
| 470 | Ceccano Observatory (Osservatorio Astronomico Bellatrix) | | La | Ceccano |
| 471 | Houstrup Observatory | | - | Houstrup |
| 472 | Merlette Observatory | | PACA | Merlette |
| 473 | Remanzacco Observatory | | F | Remanzacco |
| 474 | Mount John University Observatory (University of Canterbury Mount John Observatory; UCMJO), | | Ca | Mount John Observatory, Lake Tekapo |
| 475 | Observatory of Turin (before 1913) | | P | Turin (before 1913) |
| 476 | Grange Observatory Src | | P | Grange Observatory, Bussoleno |
| 477 | Galleywood Observatory | | ENG | Galleywood |
| 478 | Lamalou-les-Bains Observatory | | Occ | Lamalou-les-Bains |
| 479 | Sollies-Pont Observatory | | PACA | Sollies-Pont |
| 480 | Cockfield Observatory | | ENG | Cockfield |
| 481 | Moorwarfen Observatory | | SCT | Moorwarfen |
| 482 | St. Andrews Observatory (Observatory of the University of St Andrews) | | SCT | St. Andrews |
| 483 | Carter Observatory | | Mrl | Carter Observatory, Black Birch Station |
| 484 | Happy Valley Observatory | | W | Happy Valley, Wellington |
| 485 | Carter Observatory | | W | Carter Observatory, Wellington |
| 486 | Palmerston North Observatory | | MW | Palmerston North |
| 487 | Macnairston Observatory | | SCT | Macnairston Observatory |
| 488 | Newcastle upon Tyne | | ENG | Newcastle upon Tyne |
| 489 | Hemingford Abbots Observatory | | ENG | Hemingford Abbots |
| 490 | Wimborne Minster Observatory | | ENG | Wimborne Minster |
| 491 | Centro Astronómico de Yebes | | CM | Centro Astronomico de Yebes |
| 492 | Mickleover Observatory | | ENG | Mickleover |
| 493 | Calar Alto Observatory | | AN | Calar Alto |
| 494 | Stakenbridge Observatory, near Kidderminster | | ENG | Stakenbridge |
| 495 | Altrincham Observatory | | ENG | Altrincham |
| 496 | Bishopstoke Observatory | | ENG | Bishopstoke |
| 497 | Ascot-Loudwater Observatory | | ENG | Ascot-Loudwater |
| 498 | Earls Barton Observatory | | ENG | Earls Barton |
| 499 | Cheam Observatory | | ENG | Cheam |
| 500 | Geocentric (e.g. IRAS) | SPACE | - | Geocentric |
| 501 | Herstmonceux Observatory | | ENG | Herstmonceux |
| 502 | Colchester Observatory | | ENG | Colchester |
| 503 | Cambridge Observatory | | ENG | Cambridge |
| 504 | Le Creusot Observatory (Src) | | BFC | Le Creusot |
| 505 | Simon Stevin Observatory | | Noord Brabant | Simon Stevin |
| 506 | Bendestorf Observatory | | NI | Bendestorf |
| 507 | Nyenheim Observatory | | Gelderland | Nyenheim |
| 508 | Zeist Observatory | | Gelderland | Zeist |
| 509 | La Seyne sur Mer Observatory | | PACA | La Seyne sur Mer |
| 510 | Siegen Observatory | | NRW | Siegen |
| 511 | Haute-Provence Observatory (Observatoire de Haute-Provence; OHP) | | PACA | Haute Provence |
| 512 | Leiden Observatory (Sterrewacht Leiden; before 1860) | | Zuid Holland | Leiden (before 1860) |
| 513 | Lyons Observatory | | ARA | Lyons |
| 514 | Mundenheim Observatory (1907–1913) | | RP | Mundenheim (1907-1913) |
| 515 | Dhaun Observatory (Volkssternwarte Dhaun) | | RP | Volkssternwarte Dhaun, near Kirn |
| 516 | Hamburg Observatory (before 1909), German Empire | | H | Hamburg (before 1909) |
| 517 | Geneva Observatory (Observatory of Geneva) (from 1967) | | SWF | Geneva (from 1967) |
| 518 | Marine Observatory | | H | Marine Observatory, Hamburg |
| 519 | Meschede Observatory | | NRW | Meschede |
| 520 | Bonn Observatory | | NRW | Bonn |
| 521 | Remeis Observatory (Dr. Remeis-Sternwarte) | | FB | Remeis Observatory, Bamberg |
| 522 | Observatory of Strasbourg (Observatoire de Strasbourg) | | GE | Strasbourg |
| 523 | Frankfurt Observatory | | HE | Frankfurt |
| 524 | Mannheim Observatory | | BW | Mannheim |
| 525 | Marburg Observatory Src | | HE | Marburg |
| 526 | Kiel Observatory | | SH | Kiel |
| 527 | Altona Observatory (Sternwarte Altona) | | H | Altona |
| 528 | Göttingen Observatory | | NI | Göttingen |
| 529 | Christiania Observatory | | - | Christiania |
| 530 | Lübeck Observatory | | SH | Lubeck |
| 531 | Collegio Romano Observatory (Osservatorio del Collegio Romano) | | La | Collegio Romano, Rome |
| 532 | Bogenhausen Observatory (1819–1938) (de:Universitäts-Sternwarte München; Bogenhausener Sternwarte; Sternwarte zu Bogenhausen) Königlichen Src | | FB | Munich |
| 533 | Padua Observatory | | V | Padua |
| 534 | Leipzig Observatory (since 1861) | | SN | Leipzig (since 1861) |
| 535 | Palermo Astronomical Observatory (Osservatorio Astronomico di Palermo "Giuseppe S. Vaiana") | | Si | Palermo |
| 536 | Babelsberg Observatory (Berlin Observatory after 1913) | | BB | Berlin-Babelsberg |
| 537 | Urania Observatory of Berlin; Berlin Urania Observatory (Urania (Berlin)) | | B | Urania Observatory, Berlin |
| 538 | Austrian Naval Observatory or Pola Observatory; (Sternwarte der kaiserlichen und königlichen Kriegsmarine in Pola; Marine-Sternwarte Pola) located in Pola, now Pula, Croatia | | - | Pola |
| 539 | Kremsmünster Observatory Scr | | UA | Kremsmunster |
| 540 | Davidschlag Observatory (Linz Observatory; Private Observatory Meyer/Obermair; Sternwarte Davidschlag) | | UA | Linz |
| 541 | Štefánik's Observatory (Prague Observatory) | | Prague | Prague |
| 542 | Falkensee Observatory | | BB | Falkensee |
| 543 | Leipzig Observatory (before 1861), German Empire | | SN | Leipzig (before 1861) |
| 544 | Wilhelm Foerster Observatory (Wilhelm-Foerster-Sternwarte) | | B | Schöneberg, Berlin |
| 545 | Vienna Observatory (before 1879), Austria-Hungary | | Vi | Vienna (before 1879) |
| 546 | Oppolzer Observatory | | Vi | Oppolzer Observatory, Vienna |
| 547 | Breslau Observatory (former German Empire; now: Wroclaw University Astronomical Observatory) | | LSV | Wroclaw, former Breslau |
| 548 | Berlin Observatory (1835–1913) (Berliner Sternwarte, Berlin Observatory, before 1913) | | B | Berlin (1835-1913) |
| 549 | Uppsala Astronomical Observatory (UAO; Astronomiska observatoriet i Uppsala) | | Up | Uppsala |
| 550 | Schwerin Observatory | | MV | Schwerin |
| 551 | Hurbanovo Observatory, formerly O'Gyalla | | Nitra | Hurbanovo, formerly O'Gyalla |
| 552 | San Vittore Observatory (Osservatorio San Vittore) | | ER | Osservatorio S. Vittore, Bologna |
| 553 | Chorzów Observatory | | SV | Chorzow |
| 554 | Burgsolms Observatory | | NI | Burgsolms Observatory, Wetzlar |
| 555 | Cracow-Fort Skała Observatory | | LPV | Cracow-Fort Skala |
| 556 | Reintal Observatory | | FB | Reintal, near Munich |
| 557 | Ondřejov Observatory (Observatoř Ondřejov); observers: Marek Wolf, Josef Hanuš[2] | | SK | Ondrejov |
| 558 | Warsaw Observatory | | MV | Warsaw |
| 559 | Serra La Nave Observatory | | Si | Serra La Nave |
| 560 | Madonna di Dossobuono Observatory (Osservatorio Madonna di Dossobuono) | | V | Madonna di Dossobuono |
| 561 | Piszkéstető Station – of the Konkoly Obs., Budapest,see #461 and #053 | | - | Piszkesteto Stn. (Konkoly) |
| 562 | Figl Observatory | | LA | Figl Observatory, Vienna |
| 563 | Seewalchen Observatory | | UA | Seewalchen |
| 564 | Herrsching Observatory | | FB | Herrsching |
| 565 | Bassano Bresciano Observatory (Osservatorio Astronomico di Bassano Bresciano) | | Lo | Bassano Bresciano |
| 566 | Haleakala-NEAT/GEODSS | | HI | Haleakala-NEAT/GEODSS |
| 567 | Chions Observatory (Osservatorio di Chions; Chaonis Observatory) | | F | Chions |
| 568 | Mauna Kea Observatory | | HI | Mauna Kea |
| 569 | Helsinki Observatory | | Uusimaa | Helsinki |
| 570 | Vilnius Observatory (since 1939) | | - | Vilnius (since 1939) |
| 571 | Cavriana Observatory (Osservatorio "Giordano Bruno") | | Lo | Cavriana |
| 572 | Cologne Observatory | | NRW | Cologne |
| 573 | Eldagsen Observatory | | NI | Eldagsen |
| 574 | Gottolengo Observatory | | Lo | Gottolengo |
| 575 | La Chaux de Fonds Observatory | | SWF | La Chaux de Fonds |
| 576 | Burwash Observatory | | ENG | Burwash |
| 577 | Metzerlen Observatory | | SWG | Metzerlen Observatory |
| 578 | Linden Observatory | | Gauteng | Linden Observatory |
| 579 | Novi Ligure Observatory | | P | Novi Ligure |
| 580 | Graz University Observatory | | S | Graz |
| 581 | Sedgefield Observatory | | WC | Sedgefield |
| 582 | Orwell Park Observatory | | ENG | Orwell Park |
| 583 | Mayaky (observation station) | | Odesa | Mayaky, Odesa Raion, Odesa Oblast |
| 584 | Leningrad Observatory | | Saint Petersburg | Leningrad |
| 585 | Lisnyky (observation station) | | Lisnyky. Kyiv region. Ukraine. | Lisnyky (observation station) |
| 586 | Pic du Midi Observatory (Observatoire du Pic du Midi) | | Occ | Pic du Midi |
| 587 | Sormano Astronomical Observatory (Osservatorio Astronomico Sormano) | | Lo | Sormano |
| 588 | Eremo di Tizzano Observatory | | ER | Eremo di Tizzano |
| 589 | Santa Lucia Stroncone Astronomical Observatory (Osservatorio Astrometrico Santa Lucia Stroncone); observers: Antonio Vagnozzi[2] | | U | Santa Lucia Stroncone |
| 590 | Metzerlen Observatory | | SWG | Metzerlen |
| 591 | Resse Observatory | | NI | Resse Observatory |
| 592 | Solingen Observatory | | NRW | Solingen |
| 593 | Monte Argentario Observatory | | Tu | Monte Argentario |
| 594 | Monte Autore Observatory | | La | Monte Autore |
| 595 | Farra d'Isonzo Observatory (Astronomical Observatory of Farra d'Isonzo; Osservatorio Astronomico di Farra d'Isonzo) | | F | Farra d'Isonzo |
| 596 | Colleverde di Guidonia Observatory (Osservatorio Colleverde di Guidonia) | | La | Colleverde di Guidonia |
| 597 | Springe Observatory | | NI | Springe |
| 598 | Loiano Observatory (Osservatorio Astronomico di Loiano) | | ER | Loiano |
| 599 | Campo Imperatore Near-Earth Object Survey (CINEOS) | | Ab | Campo Imperatore-CINEOS |
| 600 | TLC Observatory | | ER | TLC Observatory, Bologna |
| 601 | Engelhardt Observatory (Engelhardt-Sternwarte) in Dresden | | SN | Engelhardt Observatory, Dresden |
| 602 | Urania Observatory (Urania, Vienna) | | Vi | Urania Observatory, Vienna |
| 603 | Bothkamp Observatory (Sternwarte Bothkamp), near Kiel Src | | SH | Bothkamp |
| 604 | Archenhold Observatory (Archenhold Sternwarte) | | B | Archenhold Sternwarte, Berlin-Treptow |
| 605 | Marl Observatory | | NRW | Marl |
| 606 | Norderstedt Observatory | | SH | Norderstedt |
| 607 | Hagen Observatory; not to be confused with: #B86 | | NRW | Hagen Observatory, Ronkhausen |
| 608 | Air Force Maui Optical and Supercomputing observatory (AMOS) Haleakala-AMOS | | HI | Haleakala-AMOS |
| 609 | Polino Observatory (Osservatorio Polino) | | U | Osservatorio Polino |
| 610 | Pianoro Observatory | | ER | Pianoro |
| 611 | Starkenburg Observatory (Heppenheim Observatory; Starkenburg-Sternwarte) | | NI | Starkenburg Sternwarte, Heppenheim |
| 612 | Lenkerbeck Observatory | | NRW | Lenkerbeck |
| 613 | Heisingen Observatory | | NRW | Heisingen |
| 614 | Soisy-sur-Seine Observatory | | IDF | Soisy-sur-Seine |
| 615 | Observatory of Saint-Veran (Src) | | PACA | St. Veran |
| 616 | Brno Observatory | | South Moravia | Brno |
| 617 | Arbonne-la-Forêt Observatory | | IDF | Arbonne la Foret |
| 618 | Martigues Observatory | | PACA | Martigues |
| 619 | Sabadell Observatory | | CT | Sabadell |
| 620 | Astronomical Observatory of Mallorca (Observatorio Astronómico de Mallorca); observer: Reiner Stoss, Salvador Sánchez, Jaume Nomen[2] | | IB | Observatorio Astronomico de Mallorca |
| 621 | Bergisch Gladbach Observatory | | NRW | Bergisch Gladbach |
| 622 | Oberwichtrach Observatory | | SWG | Oberwichtrach |
| 623 | Liège Observatory | | WAL | Liege |
| 624 | Dertingen Observatory | | BW | Dertingen |
| 625 | Air Force Maui Optical and Supercomputing observatory (AMOS) Kihei | | HI | Kihei-AMOS Remote Maui Experimental Site |
| 626 | Geel Observatory | | VLG | Geel |
| 627 | Blauvac Observatory (Observatoire de Blauvac) observer: René Roy[2] | | PACA | Blauvac |
| 628 | Turtle Star Observatory Src | | NRW | Mulheim-Ruhr |
| 629 | Szeged Observatory, JATE Observatory | | - | Szeged Observatory |
| 630 | Osenbach Observatory | | GE | Osenbach |
| 631 | Hamburg-Georgswerder | | H | Hamburg-Georgswerder |
| 632 | San Paolo a Mosciano Observatory | | Tu | San Polo A Mosciano |
| 633 | Romito Observatory | | Lo | Romito |
| 634 | Crolles Observatory | | ARA | Crolles |
| 635 | Pergignan Observatory | | Occ | Pergignan |
| 636 | Walter Hohmann Observatory (Essen Observatory) Src | | NRW | Essen |
| 637 | Hamburg-Himmelsmoor Observatory | | H | Hamburg-Himmelsmoor |
| 638 | Detmold Observatory | | NRW | Detmold |
| 639 | Dresden Observatory | | SN | Dresden |
| 640 | Senftenberger Observatory (Senftenberger Sternwarte) | | SK | Senftenberger Sternwarte |
| 641 | Overberg Observatory | | WC | Overberg |
| 642 | Oak Bay | | BC | Oak Bay, Victoria |
| 643 | OCA-Anza Observatory (Orange County Astronomers – Anza) | | CA | OCA-Anza Observatory |
| 644 | Near-Earth Asteroid Tracking (NEAT) at (Palomar Observatory) | | CA | Palomar Mountain/NEAT |
| 645 | Sloan Digital Sky Survey (SDSS), Sunspot, at (Apache Point Observatory) | | NM | Apache Point-Sloan Digital Sky Survey |
| 646 | Santana Observatory: observer: Robert Stephens (see #G79, #U81)[2] | | CA | Santana Observatory, Rancho Cucamonga |
| 647 | Stone Finder Observatory | | AB | Stone Finder Observatory, Calgary |
| 648 | Winer Observatory | | AZ | Winer Observatory, Sonoita |
| 649 | Powell Observatory | | KS | Powell Observatory, Louisburg |
| 650 | Temecula Observatory | | CA | Temecula |
| 651 | Grasslands Observatory | | AZ | Grasslands Observatory, Tucson |
| 652 | Rock Finder Observatory | | AB | Rock Finder Observatory, Calgary |
| 653 | Torus Observatory | | WA | Torus Observatory, Buckley |
| 654 | Table Mountain Observatory, Wrightwood-PHMC |