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List 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.

ListEdit

Obs. code Description Country Region MPC-list Map
000 Royal Observatory, Greenwich   ENG Greenwich 000
001 Isaac Roberts' Observatory   ENG Crowborough 001
002 Rayleigh Observatory, Chelmsford borough, Essex   ENG Rayleigh 002
003 Montpellier Observatory (Observatoire de la Babote; Montpellier Babote Observatory)   Occ Montpellier 003
004 Toulouse Observatory   Occ Toulouse 004
005 Paris Observatory (Observatoire de Paris; Observatoire de Paris-Meudon)   IDF Meudon 005
006 Fabra Observatory (Observatori Fabra)   CT Fabra Observatory, Barcelona 006
007 Paris Observatory (Observatoire de Paris; Observatoire de Paris-Meudon)   IDF Paris 007
008 Algiers Observatory (Centre de Recherche en Astronomie Astrophysique et Géophysique)   - Algiers-Bouzareah 008
009 Uecht Observatory (Sternwarte Uecht, Solar Observatory at Uecht)   SWG Berne-Uecht 009
010 CERGA Observatory (Centre de recherches en géodynamique et astrométrie) Src   PACA Caussols 010
011 Wetzikon Observatory (Sternwarte Wetzikon)   SWG Wetzikon 011
012 Royal Observatory of Belgium (Uccle Observatory; Observatoire Royal de Belgique; Koninklijke Sterrenwacht van België)   BCR Uccle 012
013 Sterrewacht Leiden   ZH Leiden 013
014 Marseille Observatory   PACA Marseilles 014
015 Sonnenborgh Observatory   Utrecht Utrecht 015
016 Besançon Astronomical Observatory (Observatoire de Besançon)   BFC Besançon 016
017 Hoher List Observatory (Observatorium Hoher List)   RP Hoher List 017
018 Düsseldorf-Bilk Observatory (Sternwarte Bilk)   NRW Düsseldorf-Bilk 018
019 Neuchâtel Observatory   SWF Neuchatel 019
020 Nice Observatory (Observatoire de Nice); observer: Matthieu Conjat Src:21   PACA Nice 020
021 Karlsruhe Observatory (Sternwarte Karlsruhe)   BW Karlsruhe 021
022 Observatory of Turin (Pino Torinese; Osservatorio Astronomico di Torino)   P Pino Torinese 022
023 Wiesbaden Observatory (Sternwarte Wiesbaden)   HE Wiesbaden 023
024 Heidelberg-Königstuhl State Observatory (Heidelberg Observatory; Landessternwarte Heidelberg-Königstuhl)   BW Heidelberg-Konigstuhl 024
025 Stuttgart Observatory   BW Stuttgart 025
026 Zimmerwald Observatory (Observatorium Zimmerwald)   SWG Berne-Zimmerwald 026
027 Brera Astronomical Observatory (Osservatorio Astronomico di Brera)   Lo Milan 027
028 Würzburg Observatory (Sternwarte der Universität Würzburg)   FB Wurzburg 028
029 Hamburg Observatory (Bergedorf Observatory; Hamburger Sternwarte)   H Hamburg-Bergedorf 029
030 Arcetri Observatory (Osservatorio Astrofisico di Arcetri)   Tu Arcetri Observatory, Florence 030
031 Sonneberg Observatory   TH Sonneberg 031
032 Jena Observatory (Astrophysikalisches Institut und Universitäts-Sternwarte Jena)   TH Jena 032
033 Karl Schwarzschild Observatory (Karl-Schwarzschild-Observatorium)   TH Karl Schwarzschild Observatory, Tautenburg 033
034 Monte Mario Observatory (Osservatorio Astronomico di Roma Sede di Monte Mario)   La Monte Mario Observatory, Rome 034
035 Østervold Observatory (Copenhagen University Observatory; Københavns Universitet Astronomisk Observatorium)   - Copenhagen 035
036 Vatican Observatory (Specola Vaticana)   - Castel Gandolfo 036
037 Collurania-Teramo Observatory (Osservatorio Astronomico di Collurania-Teramo)   Ab Collurania Observatory, Teramo 037
038 Astronomical Observatory of Trieste (Osservatorio Astronomico di Trieste)   F Trieste 038
039 Lund Observatory (Lunds Universitet Institutionen för astronomi)   Skåne Lund 039
040 Lohrmann Institute   SN Lohrmann Institute, Dresden 040
041 Innsbruck Observatory   Ty Innsbruck 041
042 Einstein Tower   BB Potsdam 042
043 Asiago Astrophysical Observatory (Osservatorio Astrofisico di Asiago)   V Asiago Astrophysical Observatory, Padua 043
044 Astronomical Observatory of Capodimonte (Osservatorio Astronomico di Capodimonte)   Cam Capodimonte Observatory, Naples 044
045 Vienna Observatory (since 1879) (Universitäts-Sternwarte Wien)   Vi Vienna (since 1879) 045
046 Kleť Observatory, České Budějovice (Hvězdárna Kleť)   JC Klet Observatory, Ceske Budejovice 046
047 Poznań Observatory (Obserwatorium Astronomiczne Uniwersytet im. Adama Mickiewicza w Poznaniu)   WV Poznań 047
048 Hradec Králové Observatory (Hvězdárna Hradec Králové)   Hradec Králové Hradec Kralove 048
049 Kvistaberg Observatory   Up Uppsala-Kvistaberg 049
050 Stockholm Observatory (before 1931) (Stockholms observatorium)   Stockholm (before 1931) 050
051 Royal Observatory, Cape of Good Hope   WC Cape 051
052 Stockholm Observatory (since 1931) (Saltsjöbaden Observatory)   Stockholm-Saltsjobaden 052
053 Konkoly Observatory (Konkoly Obszervatórium)   Budapest Konkoly Observatory, Budapest (since 1934) 053
054 Brorfelde Observatory (Brorfelde Observatoriet)   - Brorfelde 054
055 Kraków Observatory   LPV Cracow 055
056 Skalnaté pleso Observatory (Observatórium Skalnaté pleso)   Prešov Skalnate Pleso 056
057 Belgrade Observatory   - Belgrade 057
058 Königsberg Observatory (before 1944)  
 
Kaliningrad Kaliningrad 058
059 Lomnický štít Observatory (Observatórium Lomnický štít)   Prešov Lomnicky Stit 059
060 Warsaw University Observatory   MV Warsaw-Ostrowik 060
061 Uzhgorod Observatory   Zakarpattia Uzhgorod 061
062 Iso-Heikkilä Observatory (Turku Observatory; Turun observatorio)   SW Turku 062
063 Tuorla Observatory (Turku-Tuorla; Tuorlan observatorio)   SW Turku-Tuorla 063
064 Kevola Observatory (Turku-Kevola; Kevolan tähtitorni)   SW Turku-Kevola 064
065 Traunstein Observatory   FB Traunstein 065
066 National Observatory of Athens   - Athens 066
067 Lvov University Observatory, Lviv University   Lviv Lvov University Observatory 067
068 Lvov Polytechnic Institute   Lviv Lvov Polytechnic Institute 068
069 Baldone, near Riga   - Baldone 069
070 Vilnius Observatory (before 1939)  
 
Vilnius Vilnius (before 1939) 070
071 Rozhen Observatory or Bulgarian National Astronomical Observatory   - NAO Rozhen, Smolyan 071
072 Scheuren Observatory   NRW Scheuren Observatory 072
073 Bucharest Astronomical Observatory   - Bucharest 073
074 Boyden Observatory   Free State Boyden Observatory, Bloemfontein 074
075 Tartu Observatory (formerly Dorpat Observatory until 1919)   Tartu Tartu 075
076 Johannesburg-Hartbeespoort Observatory (Union Observatory Annex), Hartbeespoort   North West Johannesburg-Hartbeespoort 076
077 Yale-Columbia Southern Station (1925–1951) Src   Gauteng Yale-Columbia Station, Johannesburg 077
078 Union Observatory (Johannesburg Observatory; Republic Observatory; Transvaal Observatory)   Gauteng Johannesburg 078
079 Radcliffe Observatory   Gauteng Radcliffe Observatory, Pretoria 079
080 Istanbul Observatory   - Istanbul 080
081 Leiden Southern Station, Hartbeespoort (Leiden Station, Johannesburg)   North West Leiden Station, Johannesburg 081
082 St. Pölten Observatory   LA St. Polten 082
083 Golosseevo-Kiev Observatory   Kiev (city) Golosseevo-Kiev 083
084 Pulkovo Observatory   Saint Petersburg Pulkovo 084
085 Kiev Observatory   Kiev (city) Kiev 085
086 Odessa Observatory   - Odessa 086
087 Helwan Observatory   - Helwan 087
088 Kottomia Observatory   - Kottomia 088
089 Nikolaev Astronomical Observatory   Mikolaiv Nikolaev 089
090 Mainz Observatory   RP Mainz 090
091 Nurol Observatory (Observatoire de Nurol)   ARA Observatoire de Nurol, Aurec sur Loire 091
092 Toruń Centre for Astronomy (Piwnice Astronomical Observatory; Piwnice Obserwatorium Astronomiczne)   KPV Torun-Piwnice 092
093 Skibotn Observatory   - Skibotn 093
094 Simeiz Observatory   - Crimea-Simeis 094
095 Crimean Astrophysical Observatory   - Crimea-Nauchnij 095
096 Merate Observatory   Lo Merate 096
097 Wise Observatory   - Wise Observatory, Mitzpeh Ramon 097
098 Cima Ekar Observing Station (Stazione osservativa di Asiago Cima Ekar; also see #043 and #209)   V Asiago Observatory, Cima Ekar 098
099 Lahti Ursa Observatory (Lahden Ursan tähtitorni)   Päijät-Häme Lahti 099
100 Ähtäri Observatory   South Ostrobothnia Ahtari 100
101 Kharkov Observatory (Astronomical Observatory of Kharkov National University, ХАО)   Kharkiv Kharkov 101
102 Zvenigorod Observatory   Moscow Zvenigorod 102
103 Ljubljana Observatory   Ljubljana Ljubljana 103
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 104
105 Moscow Observatory   Moscow Moscow 105
106 Črni Vrh Observatory (Observatorij Črni Vrh)   Primorska Crni Vrh 106
107 Cavezzo Observatory, (Osservatorio Astronomico Geminiamo Montanari)   ER Cavezzo 107
108 Montelupo Observatory   Tu Montelupo 108
109 Kouba Observatory   - Algiers-Kouba 109
110 Rostov Observatory   Yaroslavl Rostov 110
111 Piazzano Observatory   Tu Piazzano Observatory, Florence 111
112 Pleiade Observatory   V Pleiade Observatory, Verona 112
113 Drebach Observatory (Volkssternwarte Drebach), Schönbrunn   SN Volkssternwarte Drebach, Schoenbrunn 113
114 Zelenchukskaya Station of the Engelhardt Observatory (see #136), Kazan University Observatory)   Karachay-Cherkessia Engelhardt Observatory, Zelenchukskaya Station 114
115 Special Astrophysical Observatory (SAO) (also see #114)   Karachay-Cherkessia Zelenchukskaya 115
116 Giesing Observatory, München-Giesing   FB Giesing 116
117 Sendling Observatory, Munich   FB Sendling 117
118 Modra Observatory (Astronomické observatórium Modra; Astronomical and Geophysical Observatory, Modra)   Bratislava Astronomical and Geophysical Observatory, Modra 118
119 Abastuman Observatory   - Abastuman 119
120 Višnjan Observatory (Zvjezdarnica Višnjan)   - Visnjan 120
121 Kharkov University, Chuguevskaya Station   Kharkiv Kharkov University, Chuguevskaya Station 121
122 Pises Observatory (Observatoire des Pises)   Occ Pises Observatory 122
123 Byurakan Observatory   - Byurakan 123
124 Castres Observatory (Observatoire de Castres)   Occ Castres 124
125 Tbilisi Observatory   - Tbilisi 125
126 Monte Viseggi Observatory (Osservatorio Astronomico di Monte Viseggi)   Li Monte Viseggi 126
127 Bornheim Observatory   NRW Bornheim 127
128 Saratov Observatory of the Saratov State University   Saratov Saratov 128
129 Ordubad Observatory   - Ordubad 129
130 Lumezzane Observatory (Osservatorio Astronomico Serafino Zani)   Lo Lumezzane 130
131 Observatoire de l'Ardèche   ARA Observatoire de l'Ardeche 131
132 Bédoin Observatory (Observatoire de Bédoin); observer: Pierre Antonini   PACA Bedoin 132
133 Les Tardieux Observatory   PACA Les Tardieux 133
134 Großschwabhausen Observatory of the Jena Observatory (see #032) near Jena   TH Groszschwabhausen 134
135 Kasan Observatory   Tatarstan Kasan 135
136 Engelhardt Observatory of the Kazan University Observatory   Tatarstan Engelhardt Observatory, Kasan 136
137 Givatayim Observatory   - Givatayim Observatory 137
138 Village-Neuf Observatory   GE Village-Neuf 138
139 Antibes Observatory; observer: Laurent Brunetto[2]   PACA Antibes 139
140 Augerolles Observatory   ARA Augerolles 140
141 Hottviller Observatory (Observatoire de Hottviller)   GE Hottviller 141
142 Sinsen Observatory   NRW Sinsen 142
143 Gnosca Observatory (Osservatorio Astronomico di Gnosca; observer: Stefano Sposetti)   SWI Gnosca 143
144 Bray et Lu Observatory   IDF Bray et Lu 144
145 's-Gravenwezel Observatory   VLG 's-Gravenwezel 145
146 Frignano Observatory   - Frignano 146
147 Suno Observatory (Osservatorio Astronomico di Suno; Osservatorio Astronomico Galileo Galilei) Src   P Osservatorio Astronomico di Suno 147
148 Guitalens Observatory (Observatoire de Guitalens; observer: Alain Klotz)[2]   Occ Guitalens 148
149 Beine-Nauroy Observatory   GE Beine-Nauroy 149
150 Maisons Laffitte Observatory   IDF Maisons Laffitte 150
151 Eschenberg Observatory (Sternwarte Eschenberg)   SWG Eschenberg Observatory, Winterthur 151
152 Moletai Astronomical Observatory (MAO)   - Moletai Astronomical Observatory 152
153 Stuttgart-Hoffeld Observatory   BW Stuttgart-Hoffeld 153
154 Cortina Obsrevatory (Associazione Astronomica Cortina; Osservatorio Astronomico del Col Drusciè "Helmut Ullrich"), Cortina d'Ampezzo   V Cortina 154
155 Ole Rømer Observatory   - Ole Romer Observatory, Aarhus 155
156 Catania Astrophysical Observatory   Si Catania Astrophysical Observatory 156
157 Frasso Sabino Observatory (Osservatorio Astronomico Virginio Cesarini – Frasso Sabino) Src   La Frasso Sabino 157
158 Promiod Observatory (Osservatorio Dalai Lama di Promiod)   Ao Promiod 158
159 Monte Agliale Observatory (Osservatorio Astronomico di Monte Agliale)   Tu Monte Agliale 159
160 Castelmartini Observatory Src   Tu Castelmartini 160
161 Cerrina Tololo Observatory   P Cerrina Tololo Observatory 161
162 Potenza Observatory   B Potenza 162
163 Roeser Observatory   - Roeser Observatory, Luxembourg 163
164 St. Michel sur Meurthe Observatory   GE St. Michel sur Meurthe 164
165 Piera Observatory (Observatori Astronomic de Piera)   CT Piera Observatory, Barcelona 165
166 Úpice Observatory (Hvězdárna v Úpici)   Hradec Králové Upice 166
167 Bülach Observatory (Sternwarte Bülach)   SWG Bulach Observatory 167
168 Kourovskaya Observatory   Sverdlovsk Kourovskaya 168
169 Airali Observatory   P Airali Observatory 169
170 Begues Observatory (Observatorio de Begues)   CT Observatorio de Begues 170
171 Flarestar Observatory   - Flarestar Observatory, San Gwann 171
172 Onnens Observatory   SWF Onnens 172
173 St Clotilde Observatory (Observatoire Sainte-Clotilde)  
 
Réunion St. Clotilde, Reunion 173
174 Nyrölä Observatory (Nyrölän observatorio), Jyväskylä   CF Nyrola Observatory, Jyvaskyla 174
175 Bagnoud Observatory   SWF F.-X. Bagnoud Observatory, St-Luc 175
176 Consell Observatory (Observatorio Astronómico de Consell)   IB Observatorio Astronomico de Consell 176
177 Le Cres Observatory, observer: Raymond Poncy [2]   Occ Le Cres 177
178 Collonges Observatory observer: Jean-Gabriel Bosch[2]   ARA Collonges 178
179 Monte Generoso Observatory (Osservatorio del Monte Generoso)   SWI Monte Generoso 179
180 Mauguio Observatory   Occ Mauguio 180
181 Makes Observatory (Observatoire des Makes; observers: Jean-Paul Teng, Andre Peyrot, Alain Klotz)[2]  
 
Réunion Observatoire des Makes, Saint-Louis 181
182 St Paul Observatory  
 
Réunion St. Paul, Reunion 182
183 Starlab Observatory   Karachay-Cherkessia Starlab Observatory, Karachay-Cherkessia 183
184 Valmeca Observatory   PACA Valmeca Observatory, Puimichel 184
185 Jura Observatory (Observatoire astronomique jurassien)   SWF Observatoire Astronomique Jurassien-Vicques 185
186 Kitab Observatory, Mt. Maydanak   Kashkadarya Kitab 186
187 Borowiec Astrogeodynamic Observatory   WV Astronomical Observatory, Borowiec 187
188 Majdanak Observatory   Kashkadarya Majdanak 188
189 Geneva Observatory (old observatory; before 1967)   SWF Geneva (before 1967) 189
190 Gissar Observatory   RR Gissar 190
191 Dushanbe Observatory   RR Dushanbe 191
192 Tashkent Observatory   Tashkent Tashkent 192
193 Sanglok Observatory   Khatlon Sanglok 193
194 Tivoli Observatory   - Tivoli 194
195 Untermenzing Observatory   FB Untermenzing Observatory, Munich 195
196 Homburg-Erbach Observatory   SL Homburg-Erbach 196
197 Bastia Observatory   ER Bastia 197
198 Wildberg Observatory Src   BW Wildberg 198
199 Buthiers Observatory (Observatoire de Buthiers)   CVL Buthiers 199
200 Beersel Hills Observatory   VLG Beersel Hills Observatory 200
201 Jonathan B. Postel Observatory, Bareggio   Ao Jonathan B. Postel Observatory 201
202 Tamaris Observatoire   PACA Tamaris Observatoire, La Seyne sur Mer 202
203 GiaGa Observatory   Lo GiaGa Observatory 203
204 Schiaparelli Observatory   Lo Schiaparelli Observatory 204
205 Osservatorio Casalecchio di Reno   ER Obs. Casalecchio di Reno, Bologna 205
206 Haagaar Observatory   - Haagaar Observatory, Eina 206
207 Osservatorio Antonio Grosso   Lo Osservatorio Antonio Grosso 207
208 Rivalta Observatory   ER Rivalta 208
209 Asiago-DLR Asteroid Survey (ADAS) at the Cima Ekar Station (#098) of the Asiago Observatory (#043)   V Asiago Observatory, Cima Ekar-ADAS 209
210 Almaty Observatory (Alma-Ata Observatory; now: Tien Shan Astronomical Observatory, #N42, near Big Almaty Lake)   - Alma-Ata 210
211 Scandicci Observatory   Tu Scandicci 211
212 La Dehesilla Observatory (Observatorio La Dehesilla)  
 
AN Observatorio La Dehesilla 212
213 Montcabre Observatory (Observatorio Montcabre)  
 
CT Observatorio Montcabre 213
214 Garching Observatory   FB Garching Observatory 214
215 Buchloe Observatory   FB Buchloe 215
216 Côtes de Meuse Observatory (Observatoire des Côtes de Meuse)   GE Observatoire des Cote de Meuse 216
217 Assah Observatory   - Assah 217
218 Hyderabad Observatory   - Hyderabad 218
219 Japal-Rangapur Observatory   - Japal-Rangapur 219
220 Vainu Bappu Observatory   - Vainu Bappu Observatory, Kavalur 220
221 IAS Observatory   - IAS Observatory, Hakos 221
222 Yerres-Canotiers Observatory   IDF Yerres-Canotiers 222
223 Madras Observatory (Indian Institute of Astrophysics)   - Madras 223
224 Ottmarsheim Observatory, observer: Claudine Rinner   GE Ottmarsheim 224
225 Northwood Ridge Observatory, Northwood   NH Northwood Ridge Observatory 225
226 Guido Ruggieri Observatory   V Guido Ruggieri Observatory, Padua 226
227 OrbitJet Observatory   NY OrbitJet Observatory, Colden 227
228 Bruno Zugna Observatory   F Bruno Zugna Observatory, Trieste 228
229 G. C. Gloriosi Astronomical Observatory   Cam G. C. Gloriosi Astronomical Observatory, Salerno 229
230 Mount Wendelstein Observatory   FB Mt. Wendelstein Observatory 230
231 Vesqueville Observatory   WAL Vesqueville 231
232 Masquefa Observatory   CT Masquefa Observatory 232
233 Sauro Donati Astronomical Observatory   Tu Sauro Donati Astronomical Observatory, San Vito 233
234 Coddenham Observatory   ENG Coddenham Observatory 234
235 CAST Observatory   F CAST Observatory, Talmassons 235
236 Tomsk Observatory   Tomsk Tomsk 236
237 Baugy Observatory   CVL Baugy 237
238 Grorudalen Optical Observatory   - Grorudalen Optical Observatory 238
239 Michael Adrian Observatory   HE Trebur 239
240 Herrenberg Observatory (Herrenberg Sternwarte) at Herrenberg   BW Herrenberg Sternwarte 240
241 Schaerding Observatory   UA Schaerding 241
242 Varennes Observatory   Occ Varennes 242
243 Umbrella Observatory   NI Umbrella Observatory, Fredenbeck 243
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 246
247 Roving Observer SPACE 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 251
252 Goldstone DSS 13, at Goldstone Deep Space Communications Complex   CA Goldstone DSS 13, Fort Irwin 252
253 Goldstone DSS 14, at Goldstone Deep Space Communications Complex   CA Goldstone DSS 14, Fort Irwin 253
254 Haystack Observatory   MA Haystack, Westford 254
255 Evpatoria Observatory   - Evpatoria 255
256 Green Bank Telescope   WV Green Bank 256
257 Goldstone DSS 25, at Goldstone Deep Space Communications Complex   CA Goldstone DSS 25, Fort Irwin 257
258 Gaia space observatory SPACE L2 Gaia
259 EISCAT Tromso UHF   - EISCAT Tromso UHF 259
260 Digitized Sky Survey (DSS) at Siding Spring Observatory (see #413)   NSW Siding Spring Observatory-DSS 260
261 Digitized Sky Survey (DSS) at Palomar Observatory (see #675)   CA Palomar Mountain-DSS 261
262 Digitized Sky Survey (DSS) at ESA's La Silla see #809   Co European Southern Observatory, La Silla-DSS 262
266 New Horizons KBO Search with the Subaru Telescope   HI New Horizons KBO Search-Subaru 266
267 New Horizons KBO Search with the Canada–France–Hawaii Telescope   HI New Horizons KBO Search-CFHT 267
268 New Horizons KBO Search with the Magellan II (Clay) telescope   Af New Horizons KBO Search-Magellan/Clay 268
269 New Horizons KBO Search with the Magellan I (Baade) telescope   Af New Horizons KBO Search-Magellan/Baade 269
277 Royal Observatory, Edinburgh (ROE)   SCT Royal Observatory, Blackford Hill, Edinburgh 277
278 Peking, Transit of Venus site   Beijing Peking, Transit of Venus site 278
279 Seeberg Observatory, Gotha (1787–1857)   TH Seeberg Observatory, Gotha (1787-1857) 279
280 Lilienthal Observatory   SH Lilienthal 280
281 Bologna Observatory   ER Bologna 281
282 Nîmes Observatory   Occ Nîmes 282
283 Bremen Observatory   HB Bremen 283
284 Driesen Observatory, formerly Germany   LV Driesen 284
285 Flammarion Observatory   IDF Flammarion Observatory, Juvisy 285
286 Yunnan Observatory   Yunnan Yunnan Observatory 286
290 Vatican Advanced Technology Telescope (VATT) at Mount Graham (also see #G83)   AZ Mt. Graham-VATT 290
291 LPL/Spacewatch II   AZ LPL/Spacewatch II 291
292 Burlington Observatory   NJ Burlington, New Jersey 292
293 Burlington remote site Observatory   NJ Burlington remote site 293
294 Astrophysical Observatory, College of Staten Island   NY Astrophysical Obs., College of Staten Island 294
295 Catholic University Observatory   DC Catholic University Observatory, Washington 295
296 Dudley Observatory (after 1893), Schenectady   NY Dudley Observatory, Albany (after 1893) 296
297 Middlebury College Observatory of Middlebury College   VT Middlebury 297
298 Van Vleck Observatory, Middletown   CT Van Vleck Observatory 298
299 Bosscha Observatory   - Bosscha Observatory, Lembang 299
300 Bisei Spaceguard CenterBATTeRS   33 Bisei Spaceguard Center-BATTeRS 300
301 Observatoire du Mont Mégantic   QC Mont Megantic 301
302 University of the Andes, Venezuela station (not built)   Mérida University of the Andes station 302
303 Llano del Hato National Astronomical Observatory (Observatorio Astronómico Nacional de Llano del Hato)   Mérida OAN de Llano del Hato, Mérida 303
304 Las Campanas Observatory   Af Las Campanas Observatory 304
305 Hainan Island Station – (of the Purple Mountain Obs.; see #330)   Shaanxi Purple Mountain, Hainan Island station 305
306 Taya Beixo Observatory   Lara Observatorio Taya Beixo, Barquisimeto 306
307 Shattuck Observatory   NH Shattuck Observatory, Hanover 307
309 Paranal Observatory   Af Cerro Paranal 309
312 Tsingtao field Station, Xisha Islands   Kaohsiung Tsingtao field station, Xisha Islands 312
318 Quinns Rock Observatory   WA Quinns Rock 318
319 Perth Observatory, Perth-Lowell Telescope   WA Perth Observatory, Perth-Lowell Telescope 319
320 Chiro Observatory   WA Chiro Observatory 320
321 Craigie Observatory   WA Craigie 321
322 Perth Observatory, (Bickley-MCT)   WA Perth Observatory, Bickley-MCT 322
323 Perth Observatory, (Bickley)   WA Perth Observatory, Bickley 323
324 Shaho Station of the Beijing Astronomical Observatory   Beijing Peking Observatory, Shaho Station 324
327 Xinglong Station (NAOC) of the Beijing Astronomical Obs.   Hebei Peking Observatory, Xinglong Station 327
330 Purple Mountain Observatory   Jiangsu Purple Mountain Observatory, Nanking 330
333 Desert Eagle Observatory   AZ Desert Eagle Observatory 333
334 Tsingtao Observatory   Shangdong Tsingtao 334
337 Sheshan Observatory, formerly Zô-Sé   Shanghai Sheshan, formerly Zo-Se 337
340 Toyonaka Observatory   27 Toyonaka 340
341 Akashina Observatory   20 Akashina 341
342 Shishikui Observatory   36 Shishikui 342
343 Younchun Observatory   Gyeonggi Younchun 343
344 Bohyunsan Optical Astronomy Observatory (BOAO)   North Gyeongsang Bohyunsan Optical Astronomy Observatory 344
345 Sobaeksan Optical Astronomy Observatory   North Chungcheong Sobaeksan Optical Astronomy Observatory 345
346 KNUE Astronomical Observatory   Sejong-si KNUE Astronomical Observatory 346
347 Utsunomiya-Imaizumi Observatory   - Utsunomiya-Imaizumi 347
348 Ayabe Observatory   26 Ayabe 348
349 Ageo Observatory   11 Ageo 349
350 Kurohone Observatory   10 Kurohone 350
351 Sakamoto Observatory   25 Sakamoto 351
352 Konan Observatory   25 Konan 352
353 Nishi Kobe Observatory   28 Nishi Kobe 353
354 Kawachi Observatory   09 Kawachi 354
355 Hadano Observatory   14 Hadano 355
356 Kogota Observatory   04 Kogota 356
357 Shimotsuma Observatory   08 Shimotsuma 357
358 Nanyo Observatory   06 Nanyo 358
359 Wakayama Observatory   30 Wakayama 359
360 Kuma Kogen Astronomical Observatory   38 Kuma Kogen 360
361 Sumoto Observatory   28 Sumoto 361
362 Ray Observatory   01 Ray Observatory 362
363 Yamada Observatory   40 Yamada 363
364 YCPM Kagoshima Station   46 YCPM Kagoshima Station 364
365 Uto Observatory   29 Uto Observatory 365
366 Miyasaka Observatory   19 Miyasaka Observatory 366
367 Yatsuka Observatory   32 Yatsuka 367
368 Ochiai Observatory   19 Ochiai 368
369 Chichibu Astronomical Observatory, Naoto Satō   11 Chichibu 369
370 Kochi Observatory   39 Kochi 370
371 Tokyo-Okayama (Okayama Astrophysical Observatory; OAO) of the Tokyo Observatory   33 Tokyo-Okayama 371
372 Geisei Observatory   39 Geisei 372
373 Oishi Observatory   30 Oishi 373
374 Minami-Oda Observatory   28 Minami-Oda Observatory 374
375 Uzurano Observatory   28 Uzurano 375
376 Uenohara Observatory   19 Uenohara 376
377 Kwasan Observatory, Kyoto University (Kwasan and Hida Observatories) Src   26 Kwasan Observatory, Kyoto 377
378 Murou Observatory   29 Murou 378
379 Hamamatsu-Yuto Observatory   22 Hamamatsu-Yuto 379
380 Ishiki Observatory   23 Ishiki 380
381 Kiso Observatory, University of Tokyo   20 Tokyo-Kiso 381
382 Norikura Observatory, of Tokyo Astronomical Observatory   13 Tokyo-Norikura 382
383 Chirorin Observatory   20 Chirorin 383
384 Shimada Observatory   22 Shimada 384
385 Nihondaira Observatory   22 Nihondaira Observatory 385
386 Yatsugatake-Kobuchizawa   19 Yatsugatake-Kobuchizawa 386
387 Dodaira Observatory of Tokyo Astronomical Obs.   11 Tokyo-Dodaira 387
388 Mitaka Observatory, Mitaka, Tokyo (of National Astronomical Observatory)   13 Tokyo-Mitaka 388
389 Tokyo Astronomical Observatory (before 1938)   13 Tokyo (before 1938) 389
390 Utsunomiya Observatory   09 Utsunomiya 390
391 Ayashi Station of the Sendai Obs.   04 Sendai Observatory, Ayashi Station 391
392 JCPM Sapporo Station   01 JCPM Sapporo Station 392
393 JCPM Sakura Station   08 JCPM Sakura Station 393
394 JCPM Hamatonbetsu Station   01 JCPM Hamatonbetsu Station 394
395 Tokyo-Asahikawa   01 Tokyo-Asahikawa 395
396 Asahikawa Observatory   01 Asahikawa 396
397 Sapporo Science Center   01 Sapporo Science Center 397
398 Nagatoro Observatory   11 Nagatoro 398
399 Kushiro Observatory   01 Kushiro 399
400 Kitami Observatory   01 Kitami 400
401 Oosato Observatory   11 Oosato 401
402 Dynic Astronomical Observatory   25 Dynic Astronomical Observatory 402
403 Kani Observatory   21 Kani 403
404 Yamamoto Observatory   07 Yamamoto 404
405 Kamihoriguchi Observatory   10 Kamihoriguchi 405
406 Bibai Observatory   01 Bibai 406
407 Kahoku Observatory   06 Kahoku 407
408 Mount Nyukasa Station   20 Nyukasa 408
409 Kiyose and Mizuho   13 Kiyose and Mizuho 409
410 Sengamine Observatory   28 Sengamine 410
411 Oizumi Observatory   10 Oizumi 411
412 Iwaki Observatory   07 Iwaki 412
413 Siding Spring Observatory   NSW Siding Spring Observatory 413
414 Mount Stromlo Observatory   ACT Mount Stromlo 414
415 Kambah Observatory, near Canberra   ACT Kambah 415
416 Barton Observatory, near Canberra   ACT Barton 416
417 Yanagida Astronomical Observatory   17 Yanagida Astronomical Observatory 417
418 Tamworth Observatory   NSW Tamworth 418
419 Windsor Observatory   NSW Windsor 419
420 Sydney Observatory   NSW Sydney 420
421 Mt. Kajigamori   39 Mt. Kajigamori, Otoyo 421
422 Loomberah Observatory   NSW Loomberah 422
423 North Ryde Observatory   NSW North Ryde 423
424 Macquarie Observatory, near Canberra   ACT Macquarie 424
425 Taylor Range Observatory   Qld Taylor Range Observatory, Brisbane 425
426 Woomera Observatory   SA Woomera 426
427 Stockport Observatory   SA Stockport 427
428 Reedy Creek Observatory   Qld Reedy Creek 428
429 Hawker Observatory   ACT Hawker 429
430 Rainbow Observatory   NSW Rainbow Observatory, near Coonabarabran 430
431 Mount Tarana Observatory   NSW Mt. Tarana Observatory, Bathurst 431
432 Boambee Observatory   NSW Boambee 432
433 Bagnall Beach Observatory   NSW Bagnall Beach Observatory 433
434 S. Benedetto Po Observatory   Lo S. Benedetto Po 434
435 G. Colombo Astronomical Observatory   V G. Colombo Astronomical Observatory, Padua 435
436 Livergnano Observatory (Osservatorio di Livergnano)   ER Osservatorio di Livergnano 436
437 Haverford Observatory   PA Haverford 437
438 Smith College Observatory   MA Smith College Observatory, Northampton 438
439 ROTSE-III   NM ROTSE-III, Los Alamos 439
440 Elginfield Observatory   ON Elginfield Observatory 440
441 Swilken Brae Observatory   SCT Swilken Brae, St. Andrews 441
442 Gualba Observatory   CL Gualba Observatory 442
443 Plomer Observatory (Observatorio Astronomico Plomer)   BA Obs. Astronomico Plomer, Buenos Aires 443
444 Star Cruiser Observatory, Anza   CA Star Cruiser Observatory 444
445 Observatori d'Ontinyent   V Observatorio d'Ontinyent 445
446 Kingsnake Observatory   TX Kingsnake Observatory, Seguin 446
447 Centennial Observatory   CO Centennial Observatory 447
448 Desert Moon Observatory, observers: Janet and Berton L. Stevens Src, Src   NM Desert Moon Observatory, Las Cruces 448
449 Griffin Hunter Observatory   SC Griffin Hunter Observatory, Bethune 449
450 Carla Jane Observatory   NC Carla Jane Observatory, Charlotte 450
451 West Skies Observatory   KS West Skies Observatory, Mulvane 451
452 Big Cypress Observatory   FL Big Cypress Observatory, Fort Lauderdale 452
453 Edwards Raven Observatory   CA Edwards Raven Observatory 453
454 Maryland Space Grant Consortium Observatory   CA Maryland Space Grant Consortium Observatory 454
455 CBA Concord   CA CBA Concord 455
456 Daventry Observatory   ENG Daventry Observatory 456
457 Partizanske Observatory   Trenčín Partizanske 457
458 Guadarrama Observatory   MD Guadarrama Observatory 458
459 Smith River Observatory   NH Smith River Observatory, Danbury 459
460 Area 52 Observatory   AR Area 52 Observatory, Nashville 460
461 Piszkéstető Station – of the Konkoly Obs., see #561 and #053; Src   - University of Szeged, Piszkesteto Stn. (Konkoly) 461
462 Mount Belleview Observatory   MD Mount Belleview Observatory 462
463 Sommers–Bausch Observatory   CO Sommers-Bausch Observatory, Boulder 463
464 Toby Point Observatory   RI Toby Point Observatory, Narragansett 464
465 Takapuna Observatory   Au Takapuna 465
466 Mount Molehill Observatory   Au Mount Molehill Observatory, Auckland 466
467 Stardome Observatory (Auckland Observatory)   Au Auckland Observatory 467
468 Campo Catino Astronomical Observatory (Osservatorio Astronomico Campo Catino)   La Astronomical Observatory, Campo Catino 468
469 Courroux Observatory   SWF Courroux 469
470 Ceccano Observatory   La Ceccano 470
471 Houstrup Observatory   - Houstrup 471
472 Merlette Observatory   PACA Merlette 472
473 Remanzacco Observatory   F Remanzacco 473
474 Mount John University Observatory (University of Canterbury Mount John Observatory; UCMJO),   Ca Mount John Observatory, Lake Tekapo 474
475 Observatory of Turin (before 1913)   P Turin (before 1913) 475
476 Grange Observatory Src   P Grange Observatory, Bussoleno 476
477 Galleywood Observatory   ENG Galleywood 477
478 Lamalou-les-Bains Observatory   Occ Lamalou-les-Bains 478
479 Sollies-Pont Observatory   PACA Sollies-Pont 479
480 Cockfield Observatory   ENG Cockfield 480
481 Moorwarfen Observatory  
 
SCT Moorwarfen 481
482 St. Andrews Observatory (Observatory of the University of St Andrews)   - St. Andrews 482
483 Carter Observatory   Mrl Carter Observatory, Black Birch Station 483
484 Happy Valley Observatory   W Happy Valley, Wellington 484
485 Carter Observatory   W Carter Observatory, Wellington 485
486 Palmerston North Observatory   MW Palmerston North 486
487 Macnairston Observatory   SCT Macnairston Observatory 487
488 Newcastle upon Tyne   ENG Newcastle upon Tyne 488
489 Hemingford Abbots Observatory   ENG Hemingford Abbots 489
490 Wimborne Minster Observatory   ENG Wimborne Minster 490
491 Centro Astronómico de Yebes   CM Centro Astronomico de Yebes 491
492 Mickleover Observatory   ENG Mickleover 492
493 Calar Alto Observatory   AN Calar Alto 493
494 Stakenbridge Observatory, near Kidderminster   ENG Stakenbridge 494
495 Altrincham Observatory   ENG Altrincham 495
496 Bishopstoke Observatory   ENG Bishopstoke 496
497 Ascot-Loudwater Observatory   ENG Ascot-Loudwater 497
498 Earls Barton Observatory   ENG Earls Barton 498
499 Cheam Observatory   ENG Cheam 499
500 Geocentric (e.g. IRAS) SPACE - Geocentric
501 Herstmonceux Observatory   ENG Herstmonceux 501
502 Colchester Observatory   ENG Colchester 502
503 Cambridge Observatory   ENG Cambridge 503
504 Le Creusot Observatory Src   BFC Le Creusot 504
505 Simon Stevin Observatory   North Brabant Simon Stevin 505
506 Bendestorf Observatory   NI Bendestorf 506
507 Nyenheim Observatory   Gelderland Nyenheim 507
508 Zeist Observatory   Gelderland Zeist 508
509 La Seyne sur Mer Observatory   PACA La Seyne sur Mer 509
510 Siegen Observatory   NRW Siegen 510
511 Haute-Provence Observatory (Observatoire de Haute-Provence; OHP)   PACA Haute Provence 511
512 Leiden Observatory (before 1860)   ZH Leiden (before 1860) 512
513 Lyons Observatory   ARA Lyons 513
514 Mundenheim Observatory (1907–1913)   RP Mundenheim (1907-1913) 514
515 Dhaun Observatory (Volkssternwarte Dhaun)   RP Volkssternwarte Dhaun, near Kirn 515
516 Hamburg Observatory (before 1909), German Empire   H Hamburg (before 1909) 516
517 Geneva Observatory (Observatory of Geneva) (from 1967)   SWF Geneva (from 1967) 517
518 Marine Observatory   H Marine Observatory, Hamburg 518
519 Meschede Observatory   NRW Meschede 519
520 Bonn Observatory   NRW Bonn 520
521 Remeis Observatory (Dr. Remeis-Sternwarte)   FB Remeis Observatory, Bamberg 521
522 Observatory of Strasbourg (Observatoire de Strasbourg)   GE Strasbourg 522
523 Frankfurt Observatory   HE Frankfurt 523
524 Mannheim Observatory   BW Mannheim 524
525 Marburg Observatory Src   HE Marburg 525
526 Kiel Observatory   SH Kiel 526
527 Altona Observatory (Sternwarte Altona)   H Altona 527
528 Göttingen Observatory   NI Göttingen 528
529 Christiania Observatory   - Christiania 529
530 Lübeck Observatory   SH Lubeck 530
531 Collegio Romano Observatory (Osservatorio del Collegio Romano)   La Collegio Romano, Rome 531
532 Munich Observatory (Universitäts-Sternwarte München; Bogenhausener Sternwarte; Sternwarte zu Bogenhausen) Königlichen Src   FB Munich 532
533 Padua Observatory   V Padua 533
534 Leipzig Observatory (since 1861)   SN Leipzig (since 1861) 534
535 Palermo Astronomical Observatory (Osservatorio Astronomico di Palermo "Giuseppe S. Vaiana")   Si Palermo 535
536 Babelsberg Observatory (Berlin Observatory after 1913)   BB Berlin-Babelsberg 536
537 Urania Sternwarte of Berlin (Urania Sternwarte)   B Urania Observatory, Berlin 537
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 538
539 Kremsmünster Observatory Scr   UA Kremsmunster 539
540 Davidschlag Observatory (Linz Observatory; Private Observatory Meyer/Obermair; Sternwarte Davidschlag)   UA Linz 540
541 Štefánik's Observatory (Prague Observatory)   Prague Prague 541
542 Falkensee Observatory   BB Falkensee 542
543 Leipzig Observatory (before 1861), German Empire  
 
SN Leipzig (before 1861) 543
544 Wilhelm Foerster Observatory (Wilhelm-Foerster-Sternwarte)   B Wilhelm Foerster Observatory, Berlin 544
545 Vienna Observatory (before 1879), Austria-Hungary   Vi Vienna (before 1879) 545
546 Oppolzer Observatory   Vi Oppolzer Observatory, Vienna 546
547 Breslau Observatory (former German Empire; now: Wroclaw University Astronomical Observatory)   LSV Wroclaw, former Breslau 547
548 Berlin Observatory (1835–1913) (Berliner Sternwarte, Berlin Observatory, before 1913)   B Berlin (1835-1913) 548
549 Uppsala Astronomical Observatory (UAO; Astronomiska observatoriet i Uppsala)   Up Uppsala 549
550 Schwerin Observatory   MV Schwerin 550
551 Hurbanovo Observatory, formerly O'Gyalla   Nitra Hurbanovo, formerly O'Gyalla 551
552 San Vittore Observatory (Osservatorio San Vittore)   ER Osservatorio S. Vittore, Bologna 552
553 Chorzów Observatory   SV Chorzow 553
554 Burgsolms Observatory   NI Burgsolms Observatory, Wetzlar 554
555 Cracow-Fort Skała Observatory   LPV Cracow-Fort Skala 555
556 Reintal Observatory   FB Reintal, near Munich 556
557 Ondřejov Observatory (Observatoř Ondřejov); observers: Marek Wolf, Josef Hanuš[2]   SK Ondrejov 557
558 Warsaw Observatory   MV Warsaw 558
559 Serra La Nave Observatory   Si Serra La Nave 559
560 Madonna di Dossobuono Observatory (Osservatorio Madonna di Dossobuono)   V Madonna di Dossobuono 560
561 Piszkéstető Station – of the Konkoly Obs., Budapest,see #461 and #053   - Piszkesteto Stn. (Konkoly) 561
562 Figl Observatory   LA Figl Observatory, Vienna 562
563 Seewalchen Observatory   UA Seewalchen 563
564 Herrsching Observatory   FB Herrsching 564
565 Bassano Bresciano Observatory (Osservatorio Astronomico di Bassano Bresciano)   Lo Bassano Bresciano 565
566 Haleakala-NEAT/GEODSS   HI Haleakala-NEAT/GEODSS 566
567 Chions Observatory (Osservatorio di Chions; Chaonis Observatory)   F Chions 567
568 Mauna Kea Observatory   HI Mauna Kea 568
569 Helsinki Observatory   Uusimaa Helsinki 569
570 Vilnius Observatory (since 1939)   - Vilnius (since 1939) 570
571 Cavriana Observatory (Osservatorio "Giordano Bruno")   Lo Cavriana 571
572 Cologne Observatory   NRW Cologne 572
573 Eldagsen Observatory   NI Eldagsen 573
574 Gottolengo Observatory   Lo Gottolengo 574
575 La Chaux de Fonds Observatory   SWF La Chaux de Fonds 575
576 Burwash Observatory   ENG Burwash 576
577 Metzerlen Observatory   SWG Metzerlen Observatory 577
578 Linden Observatory  
 
Gauteng Linden Observatory 578
579 Novi Ligure Observatory   P Novi Ligure 579
580 Graz University Observatory   S Graz 580
581 Sedgefield Observatory   WC Sedgefield 581
582 Orwell Park Observatory   ENG Orwell Park 582
583 Odessa-Mayaki Observatory   Odessa Odessa-Mayaki 583
584 Leningrad Observatory   Saint Petersburg Leningrad 584
585 Kiev comet station   Kiev (Oblast) Kyiv comet station 585
586 Pic du Midi Observatory (Observatoire du Pic du Midi)   Occ Pic du Midi 586
587 Sormano Astronomical Observatory (Osservatorio Astronomico Sormano)   Lo Sormano 587
588 Eremo di Tizzano Observatory   ER Eremo di Tizzano 588
589 Santa Lucia Stroncone Astronomical Observatory (Osservatorio Astrometrico Santa Lucia Stroncone); observers: Antonio Vagnozzi[2]   U Santa Lucia Stroncone 589
590 Metzerlen Observatory   SWG Metzerlen 590
591 Resse Observatory   NI Resse Observatory 591
592 Solingen Observatory   NRW Solingen 592
593 Monte Argentario Observatory   Tu Monte Argentario 593
594 Monte Autore Observatory   La Monte Autore 594
595 Farra d'Isonzo Observatory (Astronomical Observatory of Farra d'Isonzo; Osservatorio Astronomico di Farra d'Isonzo)   F Farra d'Isonzo 595
596 Colleverde di Guidonia Observatory (Osservatorio Colleverde di Guidonia)   La Colleverde di Guidonia 596
597 Springe Observatory   NI Springe 597
598 Loiano Observatory (Osservatorio Astronomico di Loiano)   ER Loiano 598
599 Campo Imperatore Near-Earth Object Survey (CINEOS)   Ab Campo Imperatore-CINEOS 599
600 TLC Observatory   ER TLC Observatory, Bologna 600
601 Engelhardt Observatory   SN Engelhardt Observatory, Dresden 601
602 Urania Observatory   Vi Urania Observatory, Vienna 602
603 Bothkamp Observatory (Sternwarte Bothkamp), near Kiel Src   SH Bothkamp 603
604 Archenhold Observatory (Archenhold Sternwarte)   B Archenhold Sternwarte, Berlin-Treptow 604
605 Marl Observatory   NRW Marl 605
606 Norderstedt Observatory   SH Norderstedt 606
607 Hagen Observatory   NRW Hagen Observatory, Ronkhausen 607
608 Air Force Maui Optical and Supercomputing observatory (AMOS) Haleakala-AMOS   HI Haleakala-AMOS 608
609 Osservatorio Polino Observatory   U Osservatorio Polino 609
610 Pianoro Observatory   ER Pianoro 610
611 Starkenburg Observatory (Heppenheim Observatory; Starkenburg-Sternwarte)   NI Starkenburg Sternwarte, Heppenheim 611
612 Lenkerbeck Observatory   NRW Lenkerbeck 612
613 Heisingen Observatory   NRW Heisingen 613
614 Soisy-sur-Seine Observatory   IDF Soisy-sur-Seine 614
615 St. Véran Observatory Src   PACA St. Veran 615
616 Brno Observatory   South Moravia Brno 616
617 Arbonne-la-Forêt Observatory   IDF Arbonne la Foret 617
618 Martigues Observatory   PACA Martigues 618
619 Sabadell Observatory   CT Sabadell 619
620 Observatorio Astronómico de Mallorca, observer: Reiner Stoss, Salvador Sánchez, Jaume Nomen[2]   IB Observatorio Astronomico de Mallorca 620
621 Bergisch Gladbach Observatory   NRW Bergisch Gladbach 621
622 Oberwichtrach Observatory   SWG Oberwichtrach 622
623 Liège Observatory   WAL Liege 623
624 Dertingen Observatory   BW Dertingen 624
625 Air Force Maui Optical and Supercomputing observatory (AMOS) Kihei   HI Kihei-AMOS Remote Maui Experimental Site 625
626 Geel Observatory   VLG Geel 626
627 Blauvac Observatory ; observer: René Roy[2]   PACA Blauvac 627
628 Turtle Star Observatory Src   NRW Mulheim-Ruhr 628
629 Szeged Observatory, JATE Observatory   - Szeged Observatory 629
630 Osenbach Observatory   GE Osenbach 630
631 Hamburg-Georgswerder   H Hamburg-Georgswerder 631
632 San Polo A Mosciano   Tu San Polo A Mosciano 632
633 Romito Observatory   Lo Romito 633
634 Crolles Observatory   ARA Crolles 634
635 Pergignan Observatory   Occ Pergignan 635
636 Walter Hohmann Observatory (Essen Observatory) Src   NRW Essen 636
637 Hamburg-Himmelsmoor Observatory   H Hamburg-Himmelsmoor 637
638 Detmold Observatory   NRW Detmold 638
639 Dresden Observatory   SN Dresden 639
640 Senftenberger Observatory (Senftenberger Sternwarte)   SK Senftenberger Sternwarte 640
641 Overberg Observatory   WC Overberg 641
642 Oak Bay   BC Oak Bay, Victoria 642
643 OCA-Anza Observatory   CA OCA-Anza Observatory 643
644 Near-Earth Asteroid Tracking (NEAT) at (Palomar Observatory)   CA Palomar Mountain/NEAT 644
645 Sloan Digital Sky Survey (SDSS), Sunspot, at (Apache Point Observatory)   NM Apache Point-Sloan Digital Sky Survey 645
646 Santana Observatory, observer: Robert Stephens, see #G79 and #U81[2]   CA Santana Observatory, Rancho Cucamonga 646
647 Stone Finder Observatory   AB Stone Finder Observatory, Calgary 647
648 Winer Observatory, Sonoita   AZ Winer Observatory, Sonoita 648
649 Powell Observatory, Louisburg   KS Powell Observatory, Louisburg 649
650 Temecula Observatory   CA Temecula 650
651 Grasslands Observatory, Tucson   AZ Grasslands Observatory, Tucson 651
652 Rock Finder Observatory   AB Rock Finder Observatory, Calgary 652
653 Torus Observatory   WA Torus Observatory, Buckley 653
654 Table Mountain Observatory, Wrightwood-PHMC   CA Table Mountain Observatory, Wrightwood-PHMC 654
655 Sooke Observatory   BC Sooke 655
656 Victoria Observatory   BC Victoria 656
657 Climenhaga Observatory   BC Climenhaga Observatory, Victoria 657
658 National Research Council of Canada (Dominion Astrophysical Observatory, Saanich)   BC National Research Council of Canada 658
659 Heron Cove Observatory, Orcas   WA Heron Cove Observatory, Orcas 659
660 Leuschner Observatory, Berkeley   CA Leuschner Observatory, Berkeley 660
661 Rothney Astrophysical Observatory, Priddis   AB Rothney Astrophysical Observatory, Priddis 661
662 Lick Observatory, Mount Hamilton   CA Lick Observatory, Mount Hamilton 662
663 Red Mountain Observatory, Ivins   UT Red Mountain Observatory 663
664 Manastash Ridge Observatory, Ellensburg   WA Manastash Ridge Observatory 664
665 Wallis Observatory   CA Wallis Observatory 665
666 Moorpark College Observatory, Ventura County   CA Moorpark College Observatory 666
667 Wanapum Dam Observatory   WA Wanapum Dam 667
668 San Emigdio Peak   CA San Emigdio Peak 668
669 Ojai Observatory   CA Ojai 669
670 Camarillo Observatory   CA Camarillo 670
671 Stony Ridge Observatory   CA Stony Ridge 671
672 Mount Wilson Observatory   CA Mount Wilson 672
673 Table Mountain Observatory   CA Table Mountain Observatory, Wrightwood 673
674 Ford Observatory   CA Ford Observatory, Wrightwood 674
675 Palomar Observatory   CA Palomar Mountain 675
676 San Clemente Observatory   CA San Clemente 676
677 Lake Arrowhead   CA Lake Arrowhead 677
678 Fountain Hills Observatory   AZ Fountain Hills 678
679 National Astronomical Observatory (Mexico)   Baja California San Pedro Martir 679
680 Los Angeles Observatory   CA Los Angeles 680
681 Calgary Observatory   AB Calgary 681
682 Crescent Butte Observatory; observer Edwin E. Sheridan (discoverer of minor planets)   UT Kanab 682
683 Goodricke-Pigott Observatory, Tucson   AZ Goodricke-Pigott Observatory, Tucson 683
684 Prescott Observatory   AZ Prescott 684
685 Williams Observatory   AZ Williams 685
686 U. of Minn. Infrared Obs., Mt. Lemmon (UMN Mount Lemmon Observing Facility)   AZ U. of Minn. Infrared Obs., Mt. Lemmon 686
687 Northern Arizona University   AZ Northern Arizona University, Flagstaff 687
688 Lowell Observatory, Anderson Mesa Station   AZ Lowell Observatory, Anderson Mesa Station 688
689 United States Naval Observatory Flagstaff Station (NOFS)   AZ U.S. Naval Observatory, Flagstaff 689
690 Lowell Observatory, observer: Brian Skiff   AZ Lowell Observatory, Flagstaff 690
691 Spacewatch at Kitt Peak, Steward Observatory   AZ Steward Observatory, Kitt Peak-Spacewatch 691
692 Steward Observatory   AZ Steward Observatory, Tucson 692
693 Catalina Station   AZ Catalina Station, Tucson 693
694 Tumamoc Hill at Steward Observatory   AZ Tumamoc Hill, Tucson 694
695 Kitt Peak National Observatory   AZ Kitt Peak 695
696 Fred Lawrence Whipple Observatory   AZ Whipple Observatory, Mt. Hopkins 696
697 MDM Observatory at Kitt Peak, McGraw-Hill   AZ Kitt Peak, McGraw-Hill 697
698 Mt. Bigelow   AZ Mt. Bigelow 698
699 Lowell Observatory Near-Earth-Object Search (LONEOS) at Anderson Mesa Station, Lowell Observatory   AZ Lowell Observatory-LONEOS 699
700 Chinle Observatory   AZ Chinle 700
701 Junk Bond Observatory, Sierra Vista   AZ Junk Bond Observatory, Sierra Vista 701
702 Joint Observatory for cometary research (now the site of Magdalena Ridge Observatory)   NM Joint Obs. for cometary research, Socorro 702
703 Catalina Sky Survey, Tucson   AZ Catalina Sky Survey 703
704 Lincoln Laboratory ETS (Lincoln Laboratory's Experimental Test Site), Socorro, (also see LINEAR)   NM Lincoln Laboratory ETS, New Mexico 704
705 Apache Point, Sunspot (Apache Point Observatory)   NM Apache Point 705
706 Salida Observatory   CO Salida 706
707 Chamberlin field station   CO Chamberlin field station 707
708 Chamberlin Observatory, Denver   CO Chamberlin Observatory, Denver 708
709 W & B Observatory, Warren & Beverly" Offutt Observatory   NM W & B Observatory, Cloudcroft 709
710 MPO Observatory   CO MPO Observatory, Florissant 710
711 McDonald Observatory   TX McDonald Observatory, Fort Davis 711
712 USAF Academy Observatory   CO USAF Academy Observatory, Colorado Springs 712
713 Thornton Observatory   CO Thornton 713
714 Bagdad Observatory   AZ Bagdad 714
715 Jornada Observatory   NM Jornada Observatory, Las Cruces 715
716 Palmer Divide Observatory; observer: Brian D. Warner   CO Palmer Divide Observatory, Colorado Springs 716
717 Prude Ranch Observatory   TX Prude Ranch 717
718 University of Utah, Tooele   UT Tooele 718
719 Etscorn Observatory (Frank T. Etscorn Campus Observatory, Socorro New Mexico Tech Astronomy Club Src   NM Etscorn Observatory 719
720 Universidad de Monterrey Observatory, Nuevo León   - Universidad de Monterrey 720
721 Lime Creek Observatory   NE Lime Creek 721
722 Missouri City Observatory   TX Missouri City 722
723 Cottonwood Observatory   OK Cottonwood Observatory, Ada 723
724 National Observatory (Observatorio Astronómico Nacional; Observatorio de Tacubaya)   - National Observatory, Tacubaya 724
725 Fair Oaks Ranch Observatory   TX Fair Oaks Ranch 725
726 Fire in the Sky Observatory   MN Brainerd 726
727 Zeno Observatory   OK Zeno Observatory, Edmond 727
728 Corpus Christi   TX Corpus Christi 728
729 Glenlea Astronomical Observatory   MB Glenlea Astronomical Observatory, Winnipeg 729
730 University of North Dakota, Grand Forks   ND University of North Dakota, Grand Forks 730
731 Rose-Hulman Observatory   IN Rose-Hulman Observatory, Terre Haute 731
732 Oaxaca Observatory   - Oaxaca 732
733 Allen Observatory   TX Allen, Texas 733
734 Farpoint Observatory   KS Farpoint Observatory, Eskridge 734
735 George Observatory (Needville Observatory)   TX George Observatory, Needville 735
736 Houston Observatory   TX Houston 736
737 New Bullpen Observatory   GA New Bullpen Observatory, Alpharetta 737
738 Observatory of the State University of Missouri   MO Observatory of the State University of Missouri 738
739 Sunflower Observatory   KS Sunflower Observatory, Olathe 739
740 SFA Observatory   TX SFA Observatory, Nacogdoches 740
741 Goodsell Observatory   MN Goodsell Observatory, Northfield 741
742 Drake University   IA Drake University, Des Moines 742
743 University of Minnesota   MN University of Minnesota, Minneapolis 743
744 Doyan Rose Observatory   IN Doyan Rose Observatory, Indianapolis 744
745 Glasgow Observatory   MO Morrison Obervatory, Glasgow 745
746 Brooks Astronomical Observatory   MI Brooks Observatory, Mt. Pleasant 746
747 Highland Road Park Observatory (a.k.a. Baton Rouge Observatory)   LA Highland Road Park Observatory 747
748 Van Allen Observatory   IA Van Allen Observatory, Iowa City 748
749 Oakwood Observatory   GA Oakwood 749
750 Hobbs Observatory   WI Hobbs Observatory, Fall Creek 750
751 Lake Saint Louis Observatory   MO Lake Saint Louis 751
752 Puckett Observatory   GA Puckett Observatory, Mountain Town 752
753 Washburn Observatory   WI Washburn Observatory, Madison 753
754 Yerkes Observatory   WI Yerkes Observatory, Williams Bay 754
755 Optec Observatory   MI Optec Observatory 755
756 Dearborn Observatory   IL Dearborn Observatory, Evanston 756
757 High Point Observatory   NC High Point 757
758 Astronaut Memorial Planetarium & Observatory (BCC Observatory; Brevard Community College Observatory)   FL BCC Observatory, Cocoa 758
759 Nashville Observatory   TN Nashville 759
760 Goethe Link Observatory   IN Goethe Link Observatory, Brooklyn 760
761 Quail Hollow Observatory   FL Zephyrhills 761
762 Four Winds Observatory   MI Four Winds Observatory, Lake Leelanau 762
763 King City Observatory   ON King City 763
764 Puckett Observatory   GA Puckett Observatory, Stone Mountain 764
765 Cincinnati Observatory   OH Cincinnati 765
766 Michigan State University Observatory   MI Michigan State University Obs., East Lansing 766
767 Angell Hall Observatory   MI Ann Arbor 767
768 UM-Dearborn Observatory   MI Dearborn Observatory 768
769 McMillin Observatory   OH McMillin Observatory, Columbus 769
770 Crescent Moon Observatory   OH Crescent Moon Observatory, Columbus 770
771 Boyeros Observatory (Observatorio de Rancho Boyeros)   - Boyeros Observatory, Havana 771
772 Boltwood Observatory   ON Boltwood Observatory, Stittsville 772
773 Warner and Swasey Observatory – Cleveland   OH Warner and Swasey Observatory, Cleveland 773
774 Warner and Swasey Nassau Station – Chardon   OH Warner and Swasey Nassau Station, Chardon 774
775 Sayre Observatory   PA Sayre Observatory, South Bethlehem 775
776 Foggy Bottom Observatory   NY Foggy Bottom, Hamilton 776
777 Toronto Observatory   ON Toronto 777
778 Allegheny Observatory   PA Allegheny Observatory, Pittsburgh 778
779 David Dunlap Observatory   ON David Dunlap Observatory, Richmond Hill 779
780 Leander McCormick Observatory   VA Leander McCormick Observatory, Charlottesville 780
781 Quito Observatory   - Quito 781
782 Quito, comet astrograph station   - Quito, comet astrograph station 782
783 Rixeyville Observatory   VA Rixeyville 783
784 Stull Observatory   NY Stull Observatory, Alfred University 784
785 Fitz-Randolph Observatory   NJ Fitz-Randolph Observatory, Princeton 785
786 United States Naval Observatory (USNO; since 1893)   D.C. U.S. Naval Obs., Washington (since 1893) 786
787 United States Naval Observatory (USNO; before 1893)   D.C. U.S. Naval Obs., Washington (before 1893) 787
788 Mount Cuba Observatory   DE Mount Cuba Observatory, Wilmington 788
789 Litchfield Observatory (Hamilton College), Oneida County; not to be confused with #845   NY Litchfield Observatory, Clinton 789
790 Dominion Observatory   ON Dominion Observatory, Ottawa 790
791 Flower and Cook Observatory   PA Flower and Cook Observatory, Philadelphia 791
792 University of Rhode Island   RI University of Rhode Island, Quonochontaug 792
793 Dudley Observatory (before 1893)   NY Dudley Observatory, Albany (before 1893) 793
794 Vassar College Observatory   NY Vassar College Observatory, Poughkeepsie 794
795 Rutherford Observatory   NY Rutherford 795
796 Stamford Observatory   CT Stamford 796
797 Yale University Observatory – New Haven   CT Yale Observatory, New Haven 797
798 Yale University Observatory – Bethany   CT Yale Observatory, Bethany 798
799 Winchester Observatory   MA Winchester 799
800 Boyden Station of the Harvard Observatory   - Harvard Observatory, Arequipa 800
801 Oak Ridge Observatory (George R. Agassiz Station)   MA Oak Ridge Observatory 801
802 Harvard College Observatory   MA Harvard Observatory, Cambridge 802
803 Taunton Observatory   MA Taunton 803
804 Santiago-San Bernardo Observatory   - Santiago-San Bernardo 804
805 Cerro El Roble Station (of Chile's National Astronomical Observatory, see #806), Santiago   - Santiago-Cerro El Roble 805
806 National Astronomical Observatory (Chile)   - Santiago-Cerro Calán 806
807 Cerro Tololo Inter-American Observatory   Co Cerro Tololo Observatory, La Serena 807
808 Félix Aguilar Observatory (Observatorio Félix Aguilar; Observatorio Astronómico Félix Aguilar; Dr. Carlos U. Cesco Observatory; Estación de Altura Carlos Ulrico Cesco)   J El Leoncito 808
809 La Silla Observatory of the European Southern Observatory (ESO)   Co European Southern Observatory, La Silla 809
810 George R. Wallace Jr. Astrophysical Observatory (WAO)   MA Wallace Observatory, Westford 810
811 Maria Mitchell Observatory   MA Maria Mitchell Observatory, Nantucket 811
812 Viña del Mar Observatory   - Vina del Mar 812
813 Santiago-Quinta Normal (1862–1920) (see #806, National Astronomical Observatory)   - Santiago-Quinta Normal (1862-1920) 813
814 North Scituate Observatory   RI North Scituate 814
815 Santiago-Santa Lucia (1849–1861) (see #806, National Astronomical Observatory)   - Santiago-Santa Lucia (1849-1861) 815
816 Rand Observatory   NY Rand Observatory 816
817 Sudbury Observatory   MA Sudbury 817
818 Gémeaux Observatory (Observatoire Gémeaux)   QC Gemeaux Observatory, Laval 818
819 Val-des-Bois Observatory   QC Val-des-Bois 819
820 Tarija Observatory   - Tarija 820
821 Bosque Alegre Station (Estación Astrofísica de Bosque Alegre) of the Córdoba Observatory, see #822   Cór Cordoba-Bosque Alegre 821
822 Argentine National Observatory (Córdoba Observatory; Astronomical Observatory of Córdoba; Observatorio Astronómico de Córdoba)   Cór Cordoba 822
823 Fitchburg Observatory   MA Fitchburg 823
824 Lake Clear Observatory   NY Lake Clear 824
825 Granville Observatory   MA Granville 825
826 Plessisville Observatory, Plessisville   QC Plessissville 826
827 Saint-Félicien Observatory   QC Saint-Felicien 827
828 Assonet Observatory   MA Assonet 828
829 Leoncito Astronomical Complex (Complejo Astronómico El Leoncito), also see #808   J Complejo Astronomico El Leoncito 829
830 Hudson Observatory   NH Hudson 830
831 Rosemary Hill Observatory   FL Rosemary Hill Observatory, University of Florida 831
832 Etters Observatory   PA Etters 832
833 Mercedes Observatory (Observatorio Astronomico de Mercedes)   BA Obs. Astronomico de Mercedes, Buenos Aires 833
834 Argentinian Association of Amateur Astronomers (Asociación Argentina Amigos de la Astronomía; A.A.A.A., asaramas)   BA Buenos Aires-AAAA 834
835 Drum Hill Station   MA Drum Hill Station, Chelmsford 835
836 Furnace Brook Observatory   RI Furnace Brook Observatory, Cranston 836
837 Jupiter Observatory; Boca Raton Observatory at Boca Raton; observer: B. A. Segal Src   FL Jupiter 837
838 Dayton Observatory   OH Dayton 838
839 La Plata Astronomical Observatory (Observatorio Astronómico de La Plata)   LP La Plata 839
840 Flint Observatory   MI Flint 840
841 Martin Observatory   VA Martin Observatory, Blacksburg 841
842 Gettysburg College Observatory   PA Gettysburg College Observatory 842
843 Emerald Lane Observatory   AL Emerald Lane Observatory, Decatur 843
844 Los Molinos Observatory (Observatorio Astronómico Los Molinos)   - Observatorio Astronomico Los Molinos 844
845 Clinton B. Ford Observatory; not to be confused with #789   NY Ford Observatory, Ithaca 845
846 Principia Astronomical Observatory   IL Principia Astronomical Observatory, Elsah 846
847 Lunar Cafe Observatory   MI Lunar Cafe Observator, Flint 847
848 Tenagra Observatory Src   OR Tenagra Observatory, Cottage Grove 848
849 Everstar Observatory (EverStaR Observatory)   KS Everstar Observatory, Olathe 849
850 Cordell-Lorenz Observatory   TN Cordell-Lorenz Observatory, Sewanee 850
851 Burke-Gaffney Observatory   NS Burke-Gaffney Observatory, Halifax 851
852 River Moss Observatory   MO River Moss Observatory, St. Peters 852
853 Biosphere 2 Observatory   AZ Biosphere 2 Observatory 853
854 Sabino Canyon Observatory   AZ Sabino Canyon Observatory, Tucson 854
855 Wayside Observatory   MN Wayside Observatory, Minnetonka 855
856 Roach Motel Observatory   CA Riverside 856
857 Iowa Robotic Observatory   AZ Iowa Robotic Observatory, Sonoita 857
858 Tebbutt Observatory   NM Tebbutt Observatory, Edgewood 858
859 Wykrota Observatory (Observatório Wykrota) at CEAMIG (Centro de Estudos Astronômicos de Minas Gerais)   MG Wykrota Observatory-CEAMIG 859
860 Valinhos Observatory   SP Valinhos 860
861 Barão Geraldo Observatory   SP Barao Geraldo 861
862 Saku Observatory   - Saku 862
863 Furukawa Observatory   - Furukawa 863
864 Kumamoto Civil Astronomical Observatory (KCAO)   - Kumamoto 864
865 Emmy Observatory   NY Emmy Observatory, New Paltz 865
866 United States Naval Academy   MD U.S. Naval Academy, Michelson 866
867 Saji Observatory   - Saji Observatory 867
868 Hidaka Observatory   - Hidaka Observatory 868
869 Tosa Observatory   - Tosa 869
870 Campinas Observatory (Observatório de Campinas; Observatório Municipal de Campinas "Jean Nicolini")   SP Campinas 870
871 Akou Observatory   - Akou 871
872 Tokushima Observatory   36 Tokushima 872
873 Kurashiki Observatory, Okayama Astrophysical Observatory   33 Kurashiki Observatory 873
874 Pico dos Dias Observatory (Observatório Pico dos Dias)   MG Observatorio do Pico dos Dias, Itajubá 874
875 Yorii Observatory   - Yorii 875
876 Honjo Observatory   - Honjo 876
877 Okutama Observatory   - Okutama 877
878 Kagiya Observatory   - Kagiya 878
879 Tōkai Observatory   23 Tokai 879
880 National Observatory (Brazil) (Rio de Janeiro Observatory; Observatório Nacional; ON)   RJ Rio de Janeiro 880
881 Toyota Observatory   23 Toyota 881
882 JCPM Oi Station   - JCPM Oi Station 882
883 Shizuoka Observatory   22 Shizuoka 883
884 Kawane Observatory   - Kawane 884
885 JCPM Yakiimo Station   22 JCPM Yakiimo Station 885
886 Mishima Observatory (at Susono, Shizuoka and Mishima, Shizuoka)   22 Mishima 886
887 Ojima Observatory   10 Ojima 887
888 Gekko Observatory   22 Gekko 888
889 Karasuyama Observatory   - Karasuyama 889
890 JCPM Tone Station   - JCPM Tone Station 890
891 JCPM Kimachi Station   - JCPM Kimachi Station 891
892 YGCO Hoshikawa and Nagano Stations   20 YGCO Hoshikawa and Nagano Stations 892
893 Sendai Astronomical Observatory (Sendai Municipal Observatory)   - Sendai Municipal Observatory 893
894 Kiyosato Observatory   - Kiyosato 894
895 Hatamae Observatory   - Hatamae 895
896 Yatsugatake South Base Observatory (near #386 Yatsugatake-Kobuchizawa)   13 Yatsugatake South Base Observatory 896
897 YGCO Chiyoda Station (YGCO: Yamaneko Group of Comet Observers)   - YGCO Chiyoda Station 897
898 Fujieda Observatory   22 Fujieda 898
899 Toma Observatory   - Toma 899
900 Moriyama Observatory   25 Moriyama 900
901 Tajimi Observatory   21 Tajimi 901
902 Ootake Observatory   - Ootake 902
903 Fukuchiyama and Kannabe Observatory   - Fukuchiyama and Kannabe 903
904 Go-Chome and Kobe-Suma Observatory   - Go-Chome and Kobe-Suma 904
905 Nachi-Katsuura Observatory   30 Nachi-Katsuura Observatory 905
906 Cobram Observatory   Vic Cobram 906
907 Melbourne Observatory   Vic Melbourne 907
908 Toyama Observatory   - Toyama 908
909 Snohomish Hilltop Observatory   WA Snohomish Hilltop Observatory 909
910 OCA–DLR Asteroid Survey (ODAS) at Caussols   - Caussols-ODAS 910
911 Collins Observatory (Eileen M. Collins Observatory), Corning   NY Collins Observatory, Corning Community College 911
912 Carbuncle Hill Observatory, observer: Donald Pray; also see #I00   RI Carbuncle Hill Observatory, Greene 912
913 Kappa Crucis Observatory (Observatorio Kappa Crucis)   - Observatorio Kappa Crucis, Montevideo 913
914 Underwood Observatory   MA Underwood Observatory, Hubbardston 914
915 River Oaks Observatory   TX River Oaks Observatory, New Braunfels 915
916 Oakley Observatory   IN Oakley Observatory, Terre Haute 916
917 Pacific Lutheran University Keck Observatory   WA Pacific Lutheran University Keck Observatory 917
918 Badlands Observatory   SD Badlands Observatory, Quinn 918
919 Desert Beaver Observatory   AZ Desert Beaver Observatory 919
920 RIT Observatory (Rochester Institute of Technology)   NY RIT Observatory, Rochester 920
921 SW Institute for Space Research   NM SW Institute for Space Research, Cloudcroft 921
922 Timberland Observatory   AL Timberland Observatory, Decatur 922
923 Bradstreet Observatory   PA The Bradstreet Observatory, St. Davids 923
924 Cégep de Trois-Rivières Observatory (Observatoire du Cégep de Trois-Rivières)   - Observatoire du Cegep de Trois-Rivieres 924
925 Palominas Observatory   AZ Palominas Observatory 925
926 Tenagra II Observatory   AZ Tenagra II Observatory, Nogales 926
927 Madison-YRS   WI Madison-YRS 927
928 Moonedge Observatory   NY Moonedge Observatory, Northport 928
929 Blackberry Observatory   LA Port Allen 929
930 Southern Stars Observatory   - Southern Stars Observatory, Tahiti 930
931 Punaauia Observatory   - Punaauia 931
932 John J. McCarthy Observatory   CT John J. McCarthy Obs., New Milford 932
933 Rockland Observatory   AZ Rockland Observatory, Sierra Vista 933
934 Poway Valley Observatory   CA Poway Valley 934
935 Wyrick Observatory   VA Wyrick Observatory, Haymarket 935
936 Ibis Observatory   KS Ibis Observatory, Manhattan 936
937 Bradbury Observatory   - Bradbury Observatory, Stockton-on-Tees