MPC observations statistics

UNNOBS - Observations of unnumbered minor planets

Sorted by number of observations

The statistics were made with a self-developed program by Jost Jahn, Amrum, Germany, itfstat@jostjahn.de.

They will be updated some days after publication of new files by the MPC, mostly each 2 months or so.
Date of this file is 12-08-2024

Number of observations of top 15 stations at Minor Planet Center for UNNOBS class
Number of observations of top 15 stations at Minor Planet Center for UNNOBS class
Rank Station Observations Objects Observation per object Years of observation Years Station name
No. Code Number Number   Range span  
1 F51 11602916 630164 18.41 2008 – 2024 17 Pan-STARRS 1, Haleakala
2 G96 7739300 544363 14.22 2004 – 2024 21 Mt. Lemmon Survey
3 F52 4564051 464060 9.84 2015 – 2024 10 Pan-STARRS 2, Haleakala
4 W84 1709468 122046 14.01 2012 – 2024 13 Cerro Tololo-DECam
5 691 871806 173806 5.02 1985 – 2024 40 Steward Observatory, Kitt Peak-Spacewatch
6 V00 479310 101937 4.70 2016 – 2024 9 Kitt Peak-Bok
7 D29 314354 59901 5.25 2006 – 2024 19 Purple Mountain Observatory, XuYi Station
8 703 295524 36941 8.00 1998 – 2024 27 Catalina Sky Survey
9 T09 262805 33585 7.83 2002 – 2024 23 Subaru Telescope, Maunakea
10 I41 247468 23918 10.35 2002 – 2024 23 Palomar Mountain--ZTF
11 C51 236334 21159 11.17 2010 – 2024 15 WISE
12 I52 185534 20917 8.87 2012 – 2024 13 Steward Observatory, Mt. Lemmon Station
13 291 160370 35734 4.49 2001 – 2024 24 LPL/Spacewatch II
14 H21 157545 21522 7.32 2009 – 2024 16 Astronomical Research Observatory, Westfield
15 568 153221 22951 6.68 1989 – 2023 35 Maunakea
16 807 133870 27698 4.83 1988 – 2024 37 Cerro Tololo Observatory, La Serena
17 G45 131212 10712 12.25 2012 – 2017 6 Space Surveillance Telescope, Atom Site
18 O18 123119 21539 5.72 2023 – 2024 2 WFST, Lenghu
19 309 103735 10613 9.77 2000 – 2024 25 Cerro Paranal
20 704 80959 7657 10.57 1981 – 2013 33 Lincoln Laboratory ETS, New Mexico
21 695 63908 20201 3.16 1990 – 2024 35 Kitt Peak
22 T08 61453 5674 10.83 2017 – 2024 8 ATLAS-MLO, Mauna Loa
23 T05 58074 5326 10.90 2015 – 2024 10 ATLAS-HKO, Haleakala
24 033 53371 8305 6.43 1960 – 2024 65 Karl Schwarzschild Observatory, Tautenburg
25 645 46736 15914 2.94 1998 – 2009 12 Apache Point-Sloan Digital Sky Survey
26 644 46230 8264 5.59 2001 – 2007 7 Palomar Mountain/NEAT
27 926 44358 6997 6.34 2000 – 2018 19 Tenagra II Observatory, Nogales
28 J04 42296 12672 3.34 2009 – 2024 16 ESA Optical Ground Station, Tenerife
29 P07 41100 4865 8.45 2020 – 2024 5 Space Surveillance Telescope, HEH Station
30 J43 40812 7667 5.32 2011 – 2024 14 Oukaimeden Observatory, Marrakech
31 474 38826 6426 6.04 1985 – 2024 40 Mount John Observatory, Lake Tekapo
32 J95 37699 8310 4.54 2002 – 2024 23 Great Shefford
33 H01 35859 7190 4.99 2007 – 2024 18 Magdalena Ridge Observatory, Socorro
34 L01 34470 7984 4.32 2017 – 2024 8 Visnjan Observatory, Tican
35 H45 28714 1343 21.38 2005 – 2023 19 Arkansas Sky Obs., Petit Jean Mountain South
36 246 28347 3172 8.94 2002 – 2024 23 Klet Observatory-KLENOT
37 V06 28261 5713 4.95 2017 – 2024 8 Catalina Sky Survey-Kuiper
38 204 26643 8332 3.20 2002 – 2024 23 Schiaparelli Observatory
39 W68 19783 1817 10.89 2022 – 2024 3 ATLAS Chile, Rio Hurtado
40 E12 19653 3079 6.38 2003 – 2013 11 Siding Spring Survey
41 H36 19396 5321 3.65 2003 – 2024 22 Sandlot Observatory, Scranton
42 705 18880 3424 5.51 1998 – 2024 27 Apache Point
43 W94 18245 5077 3.59 2016 – 2024 9 MAP, San Pedro de Atacama
44 C57 17886 249 71.83 2018 – 2021 4 TESS
45 950 17191 3426 5.02 1995 – 2024 30 La Palma
46 I93 14046 4454 3.15 2010 – 2024 15 St Pardon de Conques
47 K88 13973 2464 5.67 2016 – 2024 9 GINOP-KHK, Piszkesteto
48 W16 13909 3967 3.51 2019 – 2024 6 Pleasant Groves Observatory
49 G36 13736 1569 8.75 2011 – 2023 13 Calar Alto-CASADO
50 M22 13682 1432 9.55 2022 – 2024 3 ATLAS South Africa, Sutherland
51 160 13644 1574 8.67 2002 – 2024 23 Castelmartini
52 H55 13575 1398 9.71 2004 – 2009 6 Astronomical Research Observatory, Charleston
53 T12 13263 3849 3.45 2000 – 2024 25 University of Hawaii 88-inch telescope, Maunakea
54 699 13134 2552 5.15 1998 – 2009 12 Lowell Observatory-LONEOS
55 104 11477 3649 3.15 1995 – 2024 30 San Marcello Pistoiese
56 Z80 10477 1736 6.04 2015 – 2024 10 Northolt Branch Observatory
57 461 10457 2053 5.09 1998 – 2018 21 University of Szeged, Piszkesteto Stn. (Konkoly)
58 809 10150 1915 5.30 1974 – 2023 50 European Southern Observatory, La Silla
59 734 10107 2417 4.18 1998 – 2024 27 Farpoint Observatory, Eskridge
60 C95 10034 2608 3.85 2012 – 2024 13 SATINO Remote Observatory, Haute Provence
61 K87 9501 1422 6.68 2017 – 2024 8 Dettelbach Vineyard Observatory
62 J75 8912 2031 4.39 2006 – 2014 9 OAM Observatory, La Sagra
63 595 8705 2831 3.07 1995 – 2024 30 Farra d'Isonzo
64 046 8682 1574 5.52 1978 – 2023 46 Klet Observatory, Ceske Budejovice
65 G37 8608 2909 2.96 2012 – 2024 13 Lowell Discovery Telescope
66 Z84 8589 2228 3.86 2015 – 2024 10 Calar Alto-Schmidt
67 711 8530 2116 4.03 1950 – 2021 72 McDonald Observatory, Fort Davis
68 H15 8466 2120 3.99 2010 – 2018 9 ISON-NM Observatory, Mayhill
69 448 8302 1670 4.97 2001 – 2016 16 Desert Moon Observatory, Las Cruces
70 095 8216 3707 2.22 1964 – 2024 61 Crimea-Nauchnyi
71 958 8016 2409 3.33 1998 – 2024 27 Observatoire de Dax
72 Q62 7858 1390 5.65 2013 – 2024 12 iTelescope Observatory, Siding Spring
73 300 7848 1360 5.77 2000 – 2017 18 Bisei Spaceguard Center-BATTeRS
74 858 7649 2353 3.25 2000 – 2024 25 Tebbutt Observatory, Edgewood
75 A17 7580 1805 4.20 2003 – 2024 22 Guidestar Observatory, Weinheim
76 673 7559 1795 4.21 1996 – 2024 29 Table Mountain Observatory, Wrightwood
77 K74 6868 1188 5.78 2016 – 2024 9 Muensterschwarzach Observatory, Schwarzach
78 621 6087 1364 4.46 1997 – 2019 23 Bergisch Gladbach
79 290 5923 878 6.75 2001 – 2024 24 Mt. Graham-VATT
80 U52 5693 908 6.27 2021 – 2024 4 Shasta Valley Observatory, Grenada
81 654 5622 1446 3.89 2015 – 2024 10 Table Mountain Observatory, Wrightwood-PHMC
82 L18 5328 787 6.77 2017 – 2024 8 QOS Observatory, Zalistsi
83 T14 5259 1367 3.85 2000 – 2024 25 Canada-France-Hawaii Telescope, Maunakea
84 Y00 5198 1103 4.71 2013 – 2023 11 SONEAR Observatory, Oliveira
85 198 5151 572 9.01 2001 – 2021 21 Wildberg
86 106 5105 1157 4.41 1998 – 2024 27 Crni Vrh
87 F65 5027 951 5.29 2004 – 2024 21 Haleakala-Faulkes Telescope North
88 649 4886 862 5.67 1999 – 2009 11 Powell Observatory, Louisburg
89 K19 4694 1281 3.66 2015 – 2024 10 PASTIS Observatory, Banon
90 587 4640 1449 3.20 1993 – 2024 32 Sormano
91 W86 4611 910 5.07 2013 – 2024 12 Cerro Tololo-LCO B
92 413 4528 846 5.35 1974 – 2013 40 Siding Spring Observatory
93 M49 4522 854 5.30 2023 – 2024 2 IAS Remote Observatory, Hakos
94 118 4477 879 5.09 1996 – 2024 29 Astronomical and Geophysical Observatory, Modra
95 H06 4260 998 4.27 2003 – 2022 20 iTelescope Observatory, Mayhill
96 A24 4191 399 10.50 2006 – 2016 11 New Millennium Observatory, Mozzate
97 C40 4086 327 12.50 2012 – 2024 13 Kuban State University Astrophysical Observatory
98 608 4028 1013 3.98 1995 – 2006 12 Haleakala-AMOS
99 266 3963 262 15.13 2011 – 2023 13 New Horizons KBO Search-Subaru
100 658 3957 790 5.01 1993 – 2024 32 Dominion Astrophysical Observatory
101 B74 3937 807 4.88 2008 – 2024 17 Santa Maria de Montmagastrell
102 W85 3914 706 5.54 2012 – 2024 13 Cerro Tololo-LCO A
103 J69 3827 820 4.67 2005 – 2024 20 North Observatory, Clanfield
104 854 3816 1266 3.01 2000 – 2013 14 Sabino Canyon Observatory, Tucson
105 557 3800 569 6.68 1995 – 2024 30 Ondrejov
106 L87 3791 899 4.22 2022 – 2024 3 Moonbase South Observatory, Hakos
107 L04 3695 1011 3.65 2013 – 2024 12 ROASTERR-1 Observatory, Cluj-Napoca
108 203 3625 1304 2.78 2001 – 2024 24 GiaGa Observatory
109 379 3605 122 29.55 2002 – 2012 11 Hamamatsu-Yuto
110 Z99 3586 904 3.97 2014 – 2023 10 Clixby Observatory, Cleethorpes
111 G40 3530 793 4.45 2012 – 2024 13 Slooh.com Canary Islands Observatory
112 E23 3524 986 3.57 2010 – 2024 15 Arcadia
113 151 3517 495 7.11 1998 – 2019 22 Eschenberg Observatory, Winterthur
114 130 3512 1030 3.41 2002 – 2024 23 Lumezzane
115 493 3473 821 4.23 1989 – 2023 35 Calar Alto
116 N87 3448 983 3.51 2013 – 2024 12 Nanshan Station, Xinjiang Observatory
117 511 3431 381 9.01 1980 – 2024 45 Haute Provence
118 K63 3408 1057 3.22 2015 – 2024 10 G. Pascoli Observatory, Barga (before June 2023)
119 W93 3367 727 4.63 2017 – 2024 8 Korea Microlensing Telescope Network-CTIO
120 900 3347 888 3.77 1994 – 2024 31 Moriyama
121 089 3302 209 15.80 2008 – 2024 17 Mykolaiv
122 850 3290 559 5.89 2000 – 2020 21 Cordell-Lorenz Observatory, Sewanee
123 G34 3256 583 5.58 2012 – 2024 13 Oberfrauendorf
124 B72 3196 636 5.03 2021 – 2024 4 Soerth Observatory
125 113 3169 681 4.65 1999 – 2023 25 Volkssternwarte Drebach, Schoenbrunn
126 G32 3109 375 8.29 2012 – 2017 6 Elena Remote Observatory, San Pedro de Atacama
127 G48 3056 477 6.41 2011 – 2019 9 Harlingten Research Observatory, Rancho Hildalgo
128 K38 2982 674 4.42 2013 – 2024 12 M57 Observatory, Saltrio
129 941 2975 375 7.93 2001 – 2022 22 Observatorio Pla D'Arguines
130 W34 2879 841 3.42 2016 – 2024 9 Squirrel Valley Observatory, Columbus
131 258 2873 73 39.36 2018 – 2022 5 Gaia
132 718 2834 400 7.09 2009 – 2024 16 Tooele
133 304 2816 463 6.08 2001 – 2024 24 Las Campanas Observatory
134 Y05 2786 877 3.18 2023 – 2024 2 SONEAR Wykrota-CEAMIG, Serra da Piedade
135 K91 2740 554 4.95 2013 – 2024 12 Sutherland-LCO A
136 N86 2613 656 3.98 2021 – 2024 4 Xingming Observatory-KATS, Nanshan
137 V37 2597 450 5.77 2013 – 2024 12 McDonald Observatory-LCO ELP
138 C77 2578 718 3.59 2012 – 2024 13 Bernezzo Observatory
139 M45 2547 647 3.94 2023 – 2024 2 Starhopper Observatory, Sfantu Gheorghe
140 B67 2547 596 4.27 2008 – 2024 17 Sternwarte Mirasteilas, Falera
141 A48 2502 444 5.64 2004 – 2024 21 Povegliano Veronese
142 Z32 2498 221 11.30 2017 – 2021 5 Observatorio Astrofisico de Javalambre
143 K93 2470 493 5.01 2013 – 2024 12 Sutherland-LCO C
144 L51 2454 583 4.21 2015 – 2024 10 MARGO, Nauchnyi
145 O85 2352 149 15.79 2019 – 2024 6 LiShan Observatory, Lintong
146 P93 2337 545 4.29 2017 – 2024 8 Space Tracking and Communications Center, JAXA
147 A50 2300 463 4.97 2002 – 2020 19 Andrushivka Astronomical Observatory
148 H26 2276 216 10.54 2009 – 2011 3 Doc Greiner Research Observatory, Janesvillle
149 C47 2269 394 5.76 2011 – 2022 12 Nonndorf
150 K51 2264 709 3.19 2013 – 2024 12 Osservatorio del Celado, Castello Tesino
151 K92 2257 461 4.90 2013 – 2024 12 Sutherland-LCO B
152 K61 2241 534 4.20 2014 – 2024 11 Rokycany Observatory
153 W76 2241 548 4.09 2018 – 2024 7 CHILESCOPE Observatory, Rio Hurtado
154 W87 2238 391 5.72 2012 – 2024 13 Cerro Tololo-LCO C
155 B49 2220 638 3.48 2007 – 2022 16 Paus Observatory, Sabadell
156 E10 2210 395 5.59 2007 – 2024 18 Siding Spring-Faulkes Telescope South
157 I08 2186 203 10.77 2007 – 2015 9 Alianza S4, Cerro Burek
158 M32 2179 173 12.60 2022 – 2024 3 Sunny Transcarpathian, Mukachevo
159 K83 2169 680 3.19 2017 – 2024 8 Beppe Forti Astronomical Observatory, Montelupo
160 C23 2150 160 13.44 2012 – 2024 13 Olmen
161 U68 2050 422 4.86 2018 – 2024 7 JPL SynTrack Robotic Telescope, Auberry
162 A13 2035 490 4.15 2004 – 2018 15 Observatoire Naef, Ependes
163 Q60 2003 542 3.70 2015 – 2017 3 ISON-SSO Observatory, Siding Spring
164 J13 1999 215 9.30 2009 – 2024 16 La Palma-Liverpool Telescope
165 A77 1973 391 5.05 2007 – 2024 18 Observatoire Chante-Perdrix, Dauban
166 069 1964 422 4.65 2008 – 2024 17 Baldone
167 A53 1950 337 5.79 2005 – 2022 18 Peschiera del Garda
168 B88 1931 278 6.95 2009 – 2024 16 Bigmuskie Observatory, Mombercelli
169 B18 1918 304 6.31 2000 – 2022 23 Terskol
170 D90 1903 479 3.97 2008 – 2015 8 RAS Observatory, Moorook
171 651 1855 630 2.94 1999 – 2014 16 Grasslands Observatory, Tucson
172 599 1820 462 3.94 1996 – 2005 10 Campo Imperatore-CINEOS
173 W95 1784 289 6.17 2014 – 2024 11 Observatorio Panameno, San Pedro de Atacama
174 L65 1770 306 5.78 2020 – 2024 5 Bredenkamp Observatory, Bremen
175 L34 1769 597 2.96 2019 – 2024 6 Galhassin Robotic Telescope, Isnello
176 G02 1766 472 3.74 2021 – 2024 4 KYSUCE Observatory, Kysucke Nove Mesto
177 M58 1757 369 4.76 2023 – 2024 2 VdS Remote Observatory, Hakos
178 157 1687 450 3.75 2000 – 2024 25 Frasso Sabino
179 585 1680 150 11.20 2006 – 2024 19 Kyiv comet station
180 176 1669 298 5.60 2001 – 2012 12 Observatorio Astronomico de Consell
181 954 1657 273 6.07 1998 – 2022 25 Teide Observatory
182 Z43 1657 345 4.80 2017 – 2024 8 Landehen
183 C20 1637 16 102.31 2008 – 2023 16 Kislovodsk Mtn. Astronomical Stn., Pulkovo Obs.
184 114 1565 259 6.04 2008 – 2012 5 Engelhardt Observatory, Zelenchukskaya Station
185 Y89 1546 442 3.50 2023 – 2024 2 Proxima Centauri Observatory, Valdin
186 C42 1518 417 3.64 2010 – 2020 11 Xingming Observatory, Mt. Nanshan
187 675 1489 445 3.35 1952 – 2021 70 Palomar Mountain
188 020 1486 901 1.65 1935 – 1975 41 Nice
189 G58 1486 412 3.61 2008 – 2024 17 Chabot Space and Science Center, Oakland
190 I15 1474 368 4.01 2010 – 2020 11 Wishing Star Observatory, Barrington
191 670 1450 285 5.09 1995 – 2009 15 Camarillo
192 C43 1445 382 3.78 2012 – 2024 13 Hoyerswerda
193 H51 1418 111 12.77 2005 – 2008 4 Greiner Research Observatory, Verona
194 W88 1412 323 4.37 2014 – 2024 11 Slooh.com Chile Observatory, La Dehesa
195 696 1376 483 2.85 1996 – 2022 27 Whipple Observatory, Mt. Hopkins
196 D35 1372 287 4.78 2005 – 2024 20 Lulin Observatory
197 X74 1341 264 5.08 2018 – 2024 7 Observatorio Campo dos Amarais
198 C73 1325 95 13.95 2011 – 2023 13 Galati Observatory
199 844 1320 135 9.78 1999 – 2018 20 Observatorio Astronomico Los Molinos
200 381 1282 190 6.75 1976 – 2023 48 Tokyo-Kiso
201 024 1282 752 1.70 1891 – 2013 123 Heidelberg-Konigstuhl
202 A84 1281 11 116.45 2002 – 2013 12 TUBITAK National Observatory
203 D03 1241 302 4.11 2012 – 2023 12 Rantiga Osservatorio, Tincana
204 402 1240 232 5.34 1989 – 2001 13 Dynic Astronomical Observatory
205 428 1224 169 7.24 1998 – 2010 13 Reedy Creek
206 N88 1222 307 3.98 2020 – 2023 4 Xingming Observatory #3, Nanshan
207 I27 1221 10 122.10 2010 – 2015 6 Barred Owl Observatory, Carp
208 J57 1221 361 3.38 2013 – 2024 12 Centro Astronomico Alto Turia, Valencia
209 H10 1215 176 6.90 2008 – 2011 4 Tzec Maun Observatory, Mayhill
210 N89 1206 339 3.56 2020 – 2024 5 Xingming Observatory #2, Nanshan
211 932 1192 281 4.24 2002 – 2024 23 John J. McCarthy Obs., New Milford
212 C85 1169 126 9.28 2012 – 2017 6 Observatorio Cala d'Hort, Ibiza
213 G19 1140 169 6.75 2022 – 2024 3 Immanuel Kant Observatory,Limbach
214 084 1134 86 13.19 1906 – 2023 118 Pulkovo
215 G17 1102 253 4.36 2020 – 2024 5 BAS Observatory, Scandicci
216 Q63 1087 196 5.55 2013 – 2024 12 Siding Spring-LCO A
217 170 1058 239 4.43 2002 – 2008 7 Observatorio de Begues
218 L81 1046 327 3.20 2020 – 2024 5 Skygems Namibia Remote Observatory
219 G98 1045 95 11.00 2004 – 2014 11 Calvin-Rehoboth Observatory, Rehoboth
220 560 1044 264 3.95 2001 – 2016 16 Madonna di Dossobuono
221 012 1037 485 2.14 1924 – 2014 91 Uccle
222 W25 1026 275 3.73 2016 – 2019 4 RMS Observatory, Cincinnati
223 A14 1021 305 3.35 2006 – 2014 9 Les Engarouines Observatory
224 G01 994 179 5.55 2021 – 2024 4 Universitaetssternwarte Oldenburg
225 422 994 187 5.32 1994 – 2004 11 Loomberah
226 I03 991 266 3.73 1999 – 2004 6 European Southern Obs., La Silla--ASTROVIRTEL
227 B03 989 209 4.73 2006 – 2013 8 Alter Satzberg, Vienna
228 Q20 979 237 4.13 2024 – 2024 1 Swan Reach Imaging, Glenalta
229 G53 951 159 5.98 2010 – 2013 4 Alder Springs Observatory, Auberry
230 540 934 222 4.21 1995 – 2011 17 Linz
231 611 928 204 4.55 1998 – 2011 14 Starkenburg Sternwarte, Heppenheim
232 Q64 912 161 5.66 2013 – 2024 12 Siding Spring-LCO B
233 A44 904 182 4.97 2005 – 2020 16 Altschwendt
234 V30 903 222 4.07 2014 – 2017 4 Heaven on Earth Observatory, Mayhill
235 L76 895 130 6.88 2020 – 2024 5 Nomad Observatory, Kochevanchik
236 M28 890 228 3.90 2022 – 2024 3 Lesedi Telescope-SAAO Observatory, Sutherland
237 M21 883 357 2.47 2022 – 2024 3 Schiaparelli Southern Observatory, Hakos
238 240 879 116 7.58 2002 – 2020 19 Herrenberg Sternwarte
239 715 874 227 3.85 2000 – 2009 10 Jornada Observatory, Las Cruces
240 360 872 182 4.79 1994 – 2006 13 Kuma Kogen
241 C97 870 129 6.74 2017 – 2024 8 Al-Fulaij Observatory, Oman
242 620 858 199 4.31 1997 – 2009 13 Observatorio Astronomico de Mallorca
243 701 857 175 4.90 2001 – 2008 8 Junk Bond Observatory, Sierra Vista
244 510 853 104 8.20 2006 – 2017 12 Siegen
245 683 833 193 4.32 2000 – 2010 11 Goodricke-Pigott Observatory, Tucson
246 473 830 269 3.09 1997 – 2012 16 Remanzacco
247 C48 825 110 7.50 2012 – 2019 8 Sayan Solar Observatory, Irkutsk
248 152 815 167 4.88 2001 – 2015 15 Moletai Astronomical Observatory
249 688 812 273 2.97 1977 – 2015 39 Lowell Observatory, Anderson Mesa Station
250 R57 812 145 5.60 2016 – 2022 7 Aorangi Iti Observatory, Lake Tekapo
251 333 808 112 7.21 2001 – 2014 14 Desert Eagle Observatory
252 G33 806 139 5.80 2012 – 2024 13 Wickede
253 143 788 209 3.77 1998 – 2013 16 Gnosca
254 L06 776 264 2.94 2018 – 2024 7 Sormano 2 Observatory, Bellagio Via Lattea
255 E94 766 190 4.03 2012 – 2024 13 Possum Observatory, Gisborne
256 C32 762 141 5.40 2010 – 2019 10 Ka-Dar Observatory, TAU Station, Nizhny Arkhyz
257 G56 749 177 4.23 2009 – 2020 12 Walnut Creek
258 G72 745 43 17.33 2003 – 2010 8 University Hills
259 V01 742 206 3.60 2018 – 2021 4 Mountainville Observatory, Alpine
260 D00 739 168 4.40 2012 – 2021 10 ASC-Kislovodsk Observatory
261 L47 735 147 5.00 2020 – 2024 5 Osservatorio Astronomico, Piobbico
262 X31 725 200 3.63 2017 – 2023 7 Galileo Galilei Observatory, Oro Verde
263 B04 725 194 3.74 2007 – 2019 13 OAVdA, Saint-Barthelemy
264 221 719 228 3.15 2020 – 2023 4 IAS Observatory, Hakos
265 H41 714 27 26.44 2003 – 2005 3 Petit Jean Mountain
266 G84 709 180 3.94 2009 – 2023 15 Mount Lemmon SkyCenter
267 W46 704 236 2.98 2019 – 2024 6 Foxfire Village
268 X09 701 267 2.63 2023 – 2024 2 Deep Random Survey, Rio Hurtado
269 250 697 103 6.77 1997 – 2022 26 Hubble Space Telescope
270 Q06 695 219 3.17 2024 – 2024 1 Tarui Observatory, Tarui
271 V21 693 122 5.68 2021 – 2024 4 Cewanee Observatory at DSNM
272 D21 689 137 5.03 2007 – 2010 4 Shenton Park
273 A78 689 154 4.47 2005 – 2013 9 Stia
274 W33 688 207 3.32 2017 – 2022 6 Transit Dreams Observatory, Campobello
275 W98 680 198 3.43 2013 – 2023 11 Polonia Observatory, San Pedro de Atacama
276 I77 664 174 3.82 2004 – 2012 9 CEAMIG-REA Observatory, Belo Horizonte
277 L54 663 104 6.38 2019 – 2024 6 Berthelot Observatory, Hunedoara
278 B01 651 125 5.21 2007 – 2011 5 Taunus Observatory, Frankfurt
279 L63 651 149 4.37 2020 – 2024 5 HOB Observatory, Capraia Fiorentina
280 V03 649 155 4.19 2016 – 2019 4 Big Water
281 J87 641 167 3.84 2002 – 2022 21 La Canada
282 A74 640 139 4.60 2005 – 2014 10 Bergen-Enkheim Observatory
283 I76 623 90 6.92 2012 – 2022 11 Observatorio Tesla, Valdemorillo
284 071 618 129 4.79 1983 – 2020 38 NAO Rozhen, Smolyan
285 X10 608 92 6.61 2023 – 2024 2 OVTLN, San Pedro de Atacama
286 355 606 113 5.36 1997 – 2014 18 Hadano
287 J86 606 48 12.63 2003 – 2020 18 Sierra Nevada Observatory
288 073 594 91 6.53 1943 – 2024 82 Bucharest
289 L99 586 103 5.69 2021 – 2024 4 Novosilky
290 C82 584 163 3.58 2018 – 2024 7 Osservatorio Astronomico Nastro Verde, Sorrento
291 185 582 135 4.31 2001 – 2024 24 Observatoire Astronomique Jurassien-Vicques
292 B75 580 49 11.84 2008 – 2017 10 Stazione Astronomica Betelgeuse, Magnago
293 I89 579 132 4.39 2011 – 2023 13 iTelescope Observatory, Nerpio
294 754 576 145 3.97 1924 – 2018 95 Yerkes Observatory, Williams Bay
295 G89 575 79 7.28 2008 – 2013 6 Kachina Observatory, Flagstaff
296 B15 574 116 4.95 2006 – 2021 16 Inastars Observatory, Potsdam (since 2006)
297 K62 558 114 4.89 2015 – 2024 10 Teplice Observatory
298 B38 549 49 11.20 2007 – 2024 18 Santa Mama
299 938 541 55 9.84 2001 – 2024 24 Linhaceira
300 F84 540 128 4.22 2006 – 2009 4 Hibiscus Observatory, Punaauia
301 F85 539 135 3.99 2007 – 2009 3 Tiki Observatory, Punaauia
302 Z21 536 86 6.23 2016 – 2024 9 Tenerife-LCO Aqawan A #1
303 L32 534 17 31.41 2016 – 2020 5 Korea Microlensing Telescope Network-SAAO
304 N94 528 110 4.80 2024 – 2024 1 Altay Astronomical Observatory
305 952 527 79 6.67 2000 – 2009 10 Marxuquera
306 122 524 135 3.88 1996 – 2024 29 Pises Observatory
307 A16 521 84 6.20 2004 – 2024 21 Tentlingen
308 808 516 185 2.79 1965 – 2009 45 El Leoncito
309 247 502 113 4.44 2016 – 2024 9 Roving Observer
310 I19 502 148 3.39 2009 – 2020 12 Observatorio El Gato Gris, Tanti
311 V27 502 94 5.34 2021 – 2024 4 North Mesa Observatory, Los Alamos
312 586 499 66 7.56 2001 – 2023 23 Pic du Midi
313 G92 498 111 4.49 2004 – 2011 8 Jarnac Observatory, Vail
314 I16 497 60 8.28 2010 – 2015 6 IAA-AI Atacama, San Pedro de Atacama
315 G15 491 187 2.63 2021 – 2024 4 Magroforte Observatory, Alessandria
316 K14 490 70 7.00 2014 – 2024 11 Observatorio de Sencelles
317 U55 487 144 3.38 2020 – 2024 5 Golden Ears Observatory, Maple Ridge
318 188 485 47 10.32 2007 – 2019 13 Majdanak
319 682 480 156 3.08 2000 – 2015 16 Kanab
320 L29 476 108 4.41 2018 – 2024 7 Drebach-South Observatory, Windhoek
321 J84 475 88 5.40 2006 – 2014 9 South Observatory, Clanfield
322 J22 473 145 3.26 2008 – 2024 17 Tacande Observatory, La Palma
323 O75 469 140 3.35 2014 – 2024 11 ISON-Hureltogoot Observatory
324 194 464 98 4.73 2007 – 2014 8 Tivoli
325 372 461 210 2.20 1981 – 2024 44 Geisei
326 L59 460 112 4.11 2019 – 2024 6 Compustar Observatory, Rouen
327 W71 459 43 10.67 2012 – 2023 12 Rand II Observatory, Lake Placid
328 H07 450 106 4.25 2004 – 2014 11 7300 Observatory, Cloudcroft
329 K78 448 137 3.27 2016 – 2024 9 iota Scorpii Observatory, La Spezia
330 H53 446 33 13.52 2007 – 2012 6 Thompsonville
331 094 443 217 2.04 1912 – 2024 113 Crimea-Simeiz
332 Z22 438 116 3.78 2015 – 2022 8 MASTER-IAC Observatory, Tenerife
333 U69 437 101 4.33 2014 – 2024 11 iTelescope SRO Observatory, Auberry
334 215 436 120 3.63 2001 – 2024 24 Buchloe
335 760 430 266 1.62 1948 – 1966 19 Goethe Link Observatory, Brooklyn
336 566 428 73 5.86 1996 – 2002 7 Haleakala-NEAT/GEODSS
337 I47 426 94 4.53 2012 – 2024 13 Pierre Auger Observatory, Malargue
338 181 425 26 16.35 2018 – 2023 6 Observatoire des Makes, Saint-Louis
339 Z81 423 80 5.29 2013 – 2015 3 Observatorio Estrella de Mar
340 I39 422 118 3.58 2011 – 2017 7 Observatorio Cruz del Sur, San Justo
341 270 420 13 32.31 2022 – 2024 3 Unistellar Network, Roving Observer
342 426 415 71 5.85 1997 – 1999 3 Woomera
343 N51 412 130 3.17 2020 – 2023 4 GROWTH India Telescope, IAO, Hanle
344 168 412 64 6.44 2011 – 2024 14 Kourovskaya
345 583 408 21 19.43 2012 – 2017 6 Odesa-Mayaky
346 323 406 56 7.25 1969 – 2022 54 Perth Observatory, Bickley
347 I20 398 111 3.59 2009 – 2018 10 Observatorio Astronomico Salvador, Rio Cuarto
348 K99 397 18 22.06 2019 – 2024 6 Derenivka Observatory
349 B37 395 93 4.25 2008 – 2024 17 Obs. de L' Ametlla del Valles, Barcelona
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1106 927 5 2 2.50 2004 – 2004 1 Madison-YRS
1107 I29 5 1 5.00 2012 – 2012 1 Middlesex School Observatory, Concord
1108 B48 5 1 5.00 2008 – 2008 1 Bocholt
1109 447 5 2 2.50 2001 – 2003 3 Centennial Observatory
1110 123 5 1 5.00 2015 – 2015 1 Byurakan
1111 A67 5 1 5.00 2004 – 2004 1 Chiusa di Pesio
1112 D14 4 1 4.00 2002 – 2002 1 Nanchuan Observatory, Guangzhou
1113 788 4 2 2.00 1972 – 1974 3 Mount Cuba Observatory, Wilmington
1114 Z08 4 2 2.00 2023 – 2023 1 Telescope Live, Oria
1115 541 4 1 4.00 2000 – 2000 1 Prague
1116 868 4 2 2.00 1994 – 1994 1 Hidaka Observatory
1117 D08 4 1 4.00 2016 – 2016 1 Ghezz Observatory, Leontica
1118 B44 4 2 2.00 2007 – 2007 1 Eygalayes
1119 293 4 4 1.00 1984 – 1989 6 Burlington remote site
1120 I53 4 2 2.00 2012 – 2012 1 Armilla
1121 641 4 1 4.00 2002 – 2002 1 Overberg
1122 B46 4 1 4.00 2009 – 2009 1 Sintini Observatory, Alfonsine
1123 397 4 1 4.00 1995 – 1995 1 Sapporo Science Center
1124 874 4 1 4.00 1983 – 1983 1 Observatorio do Pico dos Dias, Itajuba
1125 440 4 1 4.00 2002 – 2002 1 Elginfield Observatory
1126 M08 4 1 4.00 2023 – 2023 1 CHON, Stekene
1127 K36 4 1 4.00 2013 – 2013 1 Ebersheim
1128 981 4 1 4.00 2013 – 2013 1 Armagh
1129 672 4 3 1.33 1926 – 2003 78 Mount Wilson
1130 837 4 1 4.00 2000 – 2000 1 Jupiter
1131 043 4 3 1.33 1961 – 1962 2 Asiago Astrophysical Observatory, Padua
1132 714 4 2 2.00 1999 – 1999 1 Bagdad
1133 I01 4 1 4.00 2007 – 2007 1 Clay Center Observatory, Brookline
1134 A95 4 1 4.00 2008 – 2008 1 Taurus Hill Observatory, Varkaus
1135 B94 4 1 4.00 2009 – 2009 1 Petrozavodsk
1136 A72 4 1 4.00 2008 – 2008 1 Radebeul Observatory
1137 D17 4 1 4.00 2015 – 2015 1 Hong Kong
1138 D06 4 1 4.00 2019 – 2019 1 Associazione Tuscolana di Astronomia, Domatore
1139 M56 4 1 4.00 2023 – 2023 1 Varedo
1140 U96 4 1 4.00 2019 – 2019 1 Athabasca University Geophysical Observatory
1141 Z30 4 1 4.00 2020 – 2020 1 Glyn Marsh Observatory, Douglas
1142 K42 4 1 4.00 2019 – 2019 1 Knielingen
1143 449 4 1 4.00 2024 – 2024 1 Griffin Hunter Observatory, Bethune
1144 D40 4 1 4.00 2024 – 2024 1 Frosinone
1145 B12 4 2 2.00 2007 – 2009 3 Koschny Observatory, Noordwijkerhout
1146 E19 3 1 3.00 2008 – 2008 1 Kingsgrove
1147 G93 3 1 3.00 2004 – 2004 1 Sonoita Research Observatory, Sonoita
1148 158 3 1 3.00 1998 – 1998 1 Promiod
1149 V58 3 1 3.00 2021 – 2021 1 Medina Dome, Medina
1150 350 3 1 3.00 2000 – 2000 1 Kurohone
1151 V88 3 1 3.00 2021 – 2021 1 River Ridge Observatory, Conway
1152 075 3 3 1.00 1949 – 1953 5 Tartu
1153 C80 3 1 3.00 2022 – 2022 1 Don Astronomical Observatory, Rostov-on-Don
1154 X60 3 1 3.00 2023 – 2023 1 Guaraciaba Observatory
1155 K47 3 1 3.00 2023 – 2023 1 BSCR Observatory, Santa Maria a Monte
1156 912 3 1 3.00 2000 – 2000 1 Carbuncle Hill Observatory, Greene
1157 D27 3 1 3.00 2023 – 2023 1 Observatoire de Fontcaude, Juvignac
1158 G46 3 1 3.00 2011 – 2011 1 Pinto Valley Observatory
1159 730 3 1 3.00 2003 – 2003 1 University of North Dakota, Grand Forks
1160 410 3 1 3.00 1995 – 1995 1 Sengamine
1161 V08 3 1 3.00 2015 – 2015 1 Mountain Creek Ranch, Vail
1162 L17 3 1 3.00 2023 – 2023 1 Observatori Astronomic Albanya
1163 K48 3 1 3.00 2013 – 2013 1 Keyhole Observatory, San Giorgio di Mantova
1164 O54 3 1 3.00 2024 – 2024 1 TSky Observatory, Chonburi
1165 983 3 2 1.50 1949 – 1959 11 San Fernando
1166 M30 3 1 3.00 2022 – 2022 1 Zeta Aquarii Observatory, Brasov
1167 D81 3 1 3.00 2015 – 2015 1 Nagano
1168 031 3 2 1.50 1940 – 1957 18 Sonneberg
1169 E25 3 1 3.00 2004 – 2004 1 Rochedale (APTA)
1170 337 3 3 1.00 1931 – 1960 30 Sheshan, formerly Zo-Se
1171 G47 3 1 3.00 2012 – 2012 1 HillTopTop Observatory, Edgewood
1172 454 3 1 3.00 2001 – 2001 1 Maryland Space Grant Consortium Observatory
1173 Z87 3 1 3.00 2016 – 2016 1 Stanley Laver Observatory, Pontesbury
1174 J44 3 1 3.00 2008 – 2008 1 Observatorio Iturrieta, Alava
1175 124 3 1 3.00 1997 – 1997 1 Castres
1176 086 3 3 1.00 1947 – 1950 4 Odesa
1177 047 3 2 1.50 1947 – 1947 1 Poznan
1178 J42 3 1 3.00 2014 – 2014 1 Puzol
1179 I10 3 1 3.00 2005 – 2005 1 CAO, San Pedro de Atacama (until 2012)
1180 O47 3 1 3.00 2021 – 2021 1 Yunling Observatory, Yunnan
1181 X72 3 1 3.00 2023 – 2023 1 Waccobs, Sao Leopoldo
1182 Q56 3 1 3.00 2024 – 2024 1 Heaven's Mirror Observatory, Yass
1183 J20 3 1 3.00 2008 – 2008 1 Aravaca
1184 J55 3 1 3.00 2008 – 2008 1 Los Altos de Arguineguin Observatory
1185 908 3 1 3.00 2000 – 2000 1 Toyama
1186 115 3 1 3.00 1982 – 1982 1 Zelenchukskaya
1187 199 3 1 3.00 2001 – 2001 1 Telescope Jean-Marc Salomon, Buthiers
1188 342 3 1 3.00 2001 – 2001 1 Shishikui
1189 334 3 3 1.00 1961 – 1963 3 Tsingtao
1190 D02 3 1 3.00 2012 – 2012 1 Observatori Petit Sant Feliu
1191 V15 3 1 3.00 2022 – 2022 1 OWL-Net, Mt. Lemmon
1192 B43 3 1 3.00 2008 – 2008 1 Hennef
1193 L79 3 1 3.00 2024 – 2024 1 BOSZA Observatory, Szalanta
1194 Z86 3 1 3.00 2020 – 2020 1 St. Mellons
1195 J67 3 1 3.00 2017 – 2017 1 Observatorio La Puebla de Vallbona
1196 Z37 3 1 3.00 2017 – 2017 1 Northolt Branch Observatory 3, Blandford Forum
1197 Z03 3 1 3.00 2022 – 2022 1 Rio Cofio, Robledo de Chavela
1198 D87 3 1 3.00 2004 – 2004 1 Brooklyn Park
1199 045 3 3 1.00 1890 – 1940 51 Vienna (since 1879)
1200 717 3 1 3.00 2006 – 2006 1 Prude Ranch
1201 A91 3 1 3.00 2019 – 2019 1 Hankasalmi Observatory
1202 M54 3 1 3.00 2024 – 2024 1 Observatoire Albireo de Biot
1203 Z93 3 1 3.00 2023 – 2023 1 Observatorio Polop, Alicante
1204 G91 2 2 1.00 1999 – 2000 2 Whipple Observatory, Mt. Hopkins--2MASS
1205 I86 2 1 2.00 2013 – 2013 1 Observatorio UCM, Madrid
1206 770 2 1 2.00 1996 – 1996 1 Crescent Moon Observatory, Columbus
1207 420 2 2 1.00 1958 – 1959 2 Sydney
1208 347 2 1 2.00 2001 – 2001 1 Utsunomiya-Imaizumi
1209 K81 2 1 2.00 2020 – 2020 1 P.M.P.H.R. Deep Sky Observatory, Atina
1210 032 2 1 2.00 1967 – 1967 1 Jena
1211 074 2 2 1.00 1951 – 1952 2 Boyden Observatory, Bloemfontein
1212 389 2 1 2.00 1930 – 1930 1 Tokyo (before 1938)
1213 358 2 1 2.00 1997 – 1997 1 Nanyo
1214 905 2 1 2.00 1995 – 1995 1 Nachi-Katsuura Observatory
1215 H86 2 1 2.00 2004 – 2004 1 CBA-East Observatory, Laurel
1216 685 2 1 2.00 1990 – 1990 1 Williams
1217 898 2 1 2.00 1990 – 1990 1 Fujieda
1218 K68 2 1 2.00 2016 – 2016 1 Osservatorio Elianto, Pontecagnano
1219 485 2 1 2.00 1978 – 1978 1 Carter Observatory, Wellington
1220 141 2 1 2.00 1998 – 1998 1 Hottviller
1221 571 2 1 2.00 1983 – 1983 1 Cavriana
1222 849 2 1 2.00 2000 – 2000 1 Everstar Observatory, Olathe
1223 D88 2 1 2.00 2010 – 2010 1 Hiratsuka
1224 999 2 2 1.00 1938 – 1938 1 Bordeaux-Floirac
1225 166 2 1 2.00 2018 – 2018 1 Upice
1226 M13 2 1 2.00 2023 – 2023 1 Lucie Berger Observatory, Strasbourg
1227 727 2 1 2.00 2013 – 2013 1 Zeno Observatory, Edmond
1228 491 2 2 1.00 1982 – 1985 4 Centro Astronomico de Yebes
1229 D49 2 1 2.00 2024 – 2024 1 L'Ametlla de Mar
1230 P72 2 1 2.00 2022 – 2022 1 OWL-Net, Mt. Bohyun
1231 Y98 2 1 2.00 2024 – 2024 1 Southside Observatory, Steeple Aston
1232 K85 2 1 2.00 2023 – 2023 1 Kelmis
1233 X87 2 1 2.00 2018 – 2018 1 Dogsheaven Observatory, Brasilia
1234 G25 2 1 2.00 2013 – 2013 1 Sherbrooke
1235 480 2 2 1.00 2003 – 2008 6 Cockfield
1236 220 2 1 2.00 1987 – 1987 1 Vainu Bappu Observatory, Kavalur
1237 E22 2 1 2.00 2009 – 2009 1 Univ. of Southern Queensland Obs., Mt. Kent
1238 T02 2 1 2.00 2024 – 2024 1 SNX-NET, Wailuku
1239 O44 2 1 2.00 2015 – 2015 1 Lijiang Station, Yunnan Observatories
1240 978 1 1 1.00 1989 – 1989 1 Conder Brow
1241 548 1 1 1.00 1878 – 1878 1 Berlin (1835-1913)
1242 H03 1 1 1.00 2005 – 2005 1 Sandia View Observatory, Rio Rancho
1243 767 1 1 1.00 1873 – 1873 1 Ann Arbor
1244 J78 1 1 1.00 2004 – 2004 1 Murcia
1245 007 1 1 1.00 1892 – 1892 1 Paris
1246 067 1 1 1.00 1949 – 1949 1 Lviv University Observatory
1247 871 1 1 1.00 1990 – 1990 1 Akou
1248 103 1 1 1.00 2003 – 2003 1 Ljubljana
1249 710 1 1 1.00 1996 – 1996 1 MPO Observatory, Florissant
1250 787 1 1 1.00 1874 – 1874 1 U.S. Naval Obs., Washington (before 1893)
1251 052 1 1 1.00 1974 – 1974 1 Stockholm-Saltsjobaden
1252 537 1 1 1.00 1898 – 1898 1 Urania Observatory, Berlin
1253 804 1 1 1.00 1945 – 1945 1 Santiago-San Bernardo
1254 055 1 1 1.00 1936 – 1936 1 Cracow
Sum 1254 31291222 757919 41.29 1873 – 2024 152 1254 names