MPC observations statistics

UNNOBS - Observations of unnumbered minor planets

Sorted by observations per object

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 04-16-2024

Part of observations per object of top 15 stations at Minor Planet Center for UNNOBS class
Part of observations per object 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 L50 296 1 296.00 2019 – 2019 1 GenShtab Observatory, Nauchnyi
2 E09 162 1 162.00 2008 – 2008 1 Oakley Southern Sky Observatory, Coonabarabran
3 A84 1281 11 116.45 2002 – 2013 12 TUBITAK National Observatory
4 I27 1240 13 95.38 2010 – 2015 6 Barred Owl Observatory, Carp
5 C20 1655 18 91.94 2008 – 2023 16 Kislovodsk Mtn. Astronomical Stn., Pulkovo Obs.
6 C57 24422 396 61.67 2018 – 2021 4 TESS
7 H78 299 5 59.80 2010 – 2016 7 University of Narino Observatory, Pasto
8 B30 236 4 59.00 2007 – 2007 1 Szamotuly-Galowo
9 I23 50 1 50.00 2010 – 2010 1 Frosty Cold Observatory, Mash Harbor
10 Z73 98 2 49.00 2015 – 2017 3 Observatorio Nuevos Horizontes, Camas
11 C54 98 2 49.00 2020 – 2020 1 New Horizons
12 851 191 4 47.75 2021 – 2022 2 Burke-Gaffney Observatory, Halifax
13 W08 46 1 46.00 2017 – 2017 1 Jimginny Observatory, Naperville
14 H25 41 1 41.00 2009 – 2009 1 Harvest Moon Observatory, Northfield
15 258 3707 96 38.61 2018 – 2022 5 Gaia
16 L32 799 24 33.29 2016 – 2020 5 Korea Microlensing Telescope Network-SAAO
17 P65 33 1 33.00 2022 – 2022 1 OWL-Net, Daedeok
18 G63 32 1 32.00 2006 – 2006 1 Mill Creek Observatory, The Dalles
19 270 318 10 31.80 2022 – 2024 3 Unistellar Network, Roving Observer
20 G78 88 3 29.33 2002 – 2002 1 Desert Wanderer Observatory, El Centro
21 379 3640 125 29.12 2002 – 2012 11 Hamamatsu-Yuto
22 J38 55 2 27.50 2012 – 2012 1 Observatorio La Vara, Valdes
23 V15 53 2 26.50 2022 – 2022 1 OWL-Net, Mt. Lemmon
24 H41 714 27 26.44 2003 – 2005 3 Petit Jean Mountain
25 664 26 1 26.00 1993 – 1993 1 Manastash Ridge Observatory
26 L96 156 6 26.00 2015 – 2019 5 ISON-Byurakan Observatory
27 C01 382 15 25.47 2009 – 2013 5 Lohrmann-Observatorium, Triebenberg
28 268 351 14 25.07 2011 – 2013 3 New Horizons KBO Search-Magellan/Clay
29 C24 49 2 24.50 2012 – 2013 2 Seveso
30 Z01 73 3 24.33 2022 – 2023 2 OWL-Net, Oukaimeden
31 B26 23 1 23.00 2008 – 2008 1 Observatoire des Terres Blanches, Reillanne
32 134 89 4 22.25 2017 – 2019 3 Groszschwabhausen
33 I50 133 6 22.17 2012 – 2012 1 P2 Observatory, Mayhill
34 181 698 32 21.81 2018 – 2023 6 Observatoire des Makes, Saint-Louis
35 H45 30248 1392 21.73 2005 – 2023 19 Arkansas Sky Obs., Petit Jean Mountain South
36 N42 173 8 21.63 2014 – 2024 11 Tien-Shan Astronomical Observatory
37 C53 43 2 21.50 2018 – 2023 6 NEOSSat
38 F51 13905136 675026 20.60 2008 – 2024 17 Pan-STARRS 1, Haleakala
39 H44 82 4 20.50 2004 – 2004 1 Cascade Mountain
40 K25 20 1 20.00 2013 – 2017 5 Haute Provence Sud, Saint-Michel-l'Observatoire
41 463 20 1 20.00 2023 – 2023 1 Sommers-Bausch Observatory, Boulder
42 G99 19 1 19.00 2004 – 2004 1 NF Observatory, Silver City
43 W73 19 1 19.00 2020 – 2020 1 Observatorio Astronomico de Moquegua, Carumas
44 Z23 56 3 18.67 2020 – 2022 3 Nordic Optical Telescope, La Palma
45 115 37 2 18.50 1982 – 1998 17 Zelenchukskaya
46 415 127 7 18.14 2005 – 2010 6 Kambah
47 V17 18 1 18.00 2022 – 2022 1 Leo Observatory, Tucson
48 174 18 1 18.00 2002 – 2002 1 Nyrola Observatory, Jyvaskyla
49 A86 18 1 18.00 2008 – 2008 1 Albigneux
50 K99 269 15 17.93 2019 – 2024 6 Derenivka Observatory
51 610 143 8 17.88 1996 – 2000 5 Pianoro
52 E85 53 3 17.67 2010 – 2023 14 Farm Cove
53 G72 781 45 17.36 2003 – 2010 8 University Hills
54 P72 34 2 17.00 2022 – 2022 1 OWL-Net, Mt. Bohyun
55 627 17 1 17.00 2002 – 2002 1 Blauvac
56 W50 17 1 17.00 2015 – 2015 1 Apex
57 467 150 9 16.67 2000 – 2014 15 Auckland Observatory
58 G96 9801016 593203 16.52 2004 – 2024 21 Mt. Lemmon Survey
59 W74 66 4 16.50 2021 – 2024 4 Danish Telescope, La Silla
60 089 3448 213 16.19 2008 – 2023 16 Mykolaiv
61 A62 193 12 16.08 2005 – 2007 3 Aichtal
62 C55 16 1 16.00 2015 – 2015 1 Kepler
63 916 16 1 16.00 2001 – 2001 1 Oakley Observatory, Terre Haute
64 J21 16 1 16.00 2008 – 2008 1 El Boalo
65 Z36 159 10 15.90 2019 – 2021 3 Cancelada
66 583 460 29 15.86 2012 – 2020 9 Odesa-Mayaky
67 H67 158 10 15.80 2004 – 2006 3 Stonegate Observatory, Ann Arbor
68 O85 2347 149 15.75 2019 – 2024 6 LiShan Observatory, Lintong
69 266 3963 262 15.13 2011 – 2023 13 New Horizons KBO Search-Subaru
70 A32 226 15 15.07 2004 – 2013 10 Panker
71 940 165 11 15.00 2002 – 2008 7 Waterlooville
72 920 15 1 15.00 2002 – 2002 1 RIT Observatory, Rochester
73 A66 15 1 15.00 2007 – 2007 1 Stazione Osservativa Astronomica, Livorno
74 W84 1645812 111199 14.80 2012 – 2024 13 Cerro Tololo-DECam
75 U82 129 9 14.33 2013 – 2013 1 CS3-Palmer Divide Station, Landers
76 716 71 5 14.20 2010 – 2012 3 Palmer Divide Observatory, Colorado Springs
77 269 140 10 14.00 2011 – 2011 1 New Horizons KBO Search-Magellan/Baade
78 193 14 1 14.00 2016 – 2016 1 Sanglok
79 153 14 1 14.00 2002 – 2002 1 Stuttgart-Hoffeld
80 I09 28 2 14.00 2007 – 2007 1 Cerro Armazones
81 K05 14 1 14.00 2017 – 2017 1 Eden Observatory, Banham
82 138 153 11 13.91 2000 – 2010 11 Village-Neuf
83 L11 139 10 13.90 2017 – 2019 3 Sandvreten Observatory
84 C40 3026 219 13.82 2012 – 2024 13 Kuban State University Astrophysical Observatory
85 C73 1344 99 13.58 2011 – 2023 13 Galati Observatory
86 C36 407 30 13.57 2010 – 2023 14 Starry Wanderer Observatory, Baran'
87 H53 446 33 13.52 2007 – 2012 6 Thompsonville
88 188 855 64 13.36 2007 – 2019 13 Majdanak
89 084 1149 88 13.06 1906 – 2023 118 Pulkovo
90 E20 13 1 13.00 2009 – 2009 1 Marsfield
91 J15 26 2 13.00 2016 – 2017 2 Muxagata
92 G45 225467 17543 12.85 2012 – 2017 6 Space Surveillance Telescope, Atom Site
93 C23 1991 155 12.85 2012 – 2024 13 Olmen
94 M32 1567 122 12.84 2022 – 2024 3 Sunny Transcarpathian, Mukachevo
95 H51 1501 118 12.72 2005 – 2008 4 Greiner Research Observatory, Verona
96 W19 38 3 12.67 2014 – 2017 4 Kalamazoo
97 652 25 2 12.50 1999 – 1999 1 Rock Finder Observatory, Calgary
98 D62 25 2 12.50 2007 – 2008 2 Miyaki-Argenteus
99 H72 236 19 12.42 2003 – 2004 2 Evelyn L. Egan Observatory, Fort Myers
100 145 62 5 12.40 2002 – 2009 8 's-Gravenwezel
101 K90 322 26 12.38 2013 – 2016 4 Sopot Astronomical Observatory
102 J86 668 54 12.37 2003 – 2020 18 Sierra Nevada Observatory
103 121 74 6 12.33 1996 – 2019 24 Kharkiv University, Chuguevskaya Station
104 726 330 27 12.22 1999 – 2013 15 Brainerd
105 Z79 341 28 12.18 2015 – 2016 2 Calar Alto TNO Survey
106 Z32 3849 320 12.03 2016 – 2021 6 Observatorio Astrofisico de Javalambre
107 B58 48 4 12.00 2008 – 2008 1 Polaris Observatory, Budapest
108 Z06 12 1 12.00 2021 – 2021 1 Marina Sky, Nerpio
109 A27 130 11 11.82 2008 – 2014 7 Eridanus Observatory, Langelsheim
110 A97 82 7 11.71 2006 – 2009 4 Stammersdorf
111 M33 35 3 11.67 2022 – 2023 2 OWL-Net, Mitzpe Ramon
112 B75 581 50 11.62 2008 – 2017 10 Stazione Astronomica Betelgeuse, Magnago
113 I22 197 17 11.59 2013 – 2023 11 Abbey Ridge Observatory, Stillwater Lake
114 I63 23 2 11.50 2012 – 2012 1 Cygnus Observatory, New Airesford
115 585 1704 150 11.36 2006 – 2020 15 Kyiv comet station
116 340 34 3 11.33 2001 – 2002 2 Toyonaka
117 L71 215 19 11.32 2016 – 2018 3 Vedrus Observatory, Azovskaya
118 B31 79 7 11.29 2007 – 2016 10 Southern African Large Telescope, Sutherland
119 J13 2258 201 11.23 2009 – 2024 16 La Palma-Liverpool Telescope
120 I41 401056 35999 11.14 2002 – 2024 23 Palomar Mountain--ZTF
121 D44 367 33 11.12 2013 – 2023 11 Ishigakijima Astronomical Observatory
122 W68 22409 2019 11.10 2022 – 2024 3 ATLAS Chile, Rio Hurtado
123 B38 554 50 11.08 2007 – 2023 17 Santa Mama
124 J47 519 47 11.04 2008 – 2012 5 Observatorio Nazaret
125 I08 3341 303 11.03 2007 – 2015 9 Alianza S4, Cerro Burek
126 C51 344705 31327 11.00 2010 – 2024 15 WISE
127 H75 44 4 11.00 2012 – 2013 2 Indian Hill North Observatory, Huntsburg
128 P22 11 1 11.00 2023 – 2023 1 LW-3, NAOC-Xinglong
129 841 11 1 11.00 2003 – 2003 1 Martin Observatory, Blacksburg
130 W48 22 2 11.00 2021 – 2021 1 BKH Observatory, Chapel Hill
131 T05 76662 7049 10.88 2015 – 2024 10 ATLAS-HKO, Haleakala
132 T08 85146 7856 10.84 2017 – 2024 8 ATLAS-MLO, Mauna Loa
133 G98 1395 130 10.73 2004 – 2014 11 Calvin-Rehoboth Observatory, Rehoboth
134 I33 95 9 10.56 2010 – 2024 15 SOAR, Cerro Pachon
135 W71 475 45 10.56 2012 – 2023 12 Rand II Observatory, Lake Placid
136 A24 4315 410 10.52 2006 – 2016 11 New Millennium Observatory, Mozzate
137 H26 2313 220 10.51 2009 – 2011 3 Doc Greiner Research Observatory, Janesvillle
138 F52 5015711 480475 10.44 2015 – 2024 10 Pan-STARRS 2, Haleakala
139 U83 163 16 10.19 2020 – 2021 2 Mount Laguna Observatory
140 G77 61 6 10.17 2005 – 2006 2 Baldwin Lake
141 704 100836 10035 10.05 1981 – 2013 33 Lincoln Laboratory ETS, New Mexico
142 J26 20 2 10.00 2009 – 2012 4 The Spaceguard Centre, Knighton
143 A23 10 1 10.00 2002 – 2002 1 Weinheim
144 O68 10 1 10.00 2022 – 2022 1 LW-2, NAOC-Zhongwei
145 Z82 10 1 10.00 2014 – 2014 1 BOOTES-2 Observatory, Algarrobo
146 686 10 1 10.00 1998 – 1998 1 U. of Minn. Infrared Obs., Mt. Lemmon
147 H52 20 2 10.00 2010 – 2010 1 Hawkeye Observatory, Durand
148 E03 10 1 10.00 2011 – 2011 1 RAS Observatory, Officer
149 552 150 15 10.00 1979 – 2004 26 Osservatorio S. Vittore, Bologna
150 844 1382 139 9.94 1999 – 2018 20 Observatorio Astronomico Los Molinos
151 198 6818 690 9.88 2001 – 2021 21 Wildberg
152 938 539 55 9.80 2001 – 2023 23 Linhaceira
153 589 68 7 9.71 1992 – 2013 22 Santa Lucia Stroncone
154 309 112634 11631 9.68 2000 – 2024 25 Cerro Paranal
155 L92 344 36 9.56 2022 – 2023 2 San Costantino
156 A21 86 9 9.56 2003 – 2007 5 Irmtraut
157 048 38 4 9.50 2004 – 2008 5 Hradec Kralove
158 K20 76 8 9.50 2013 – 2014 2 Danastro Observatory, Romeree
159 712 19 2 9.50 2004 – 2004 1 USAF Academy Observatory, Colorado Springs
160 Q33 19 2 9.50 2018 – 2019 2 Nayoro Observatory, Hokkaido University
161 V16 57 6 9.50 2018 – 2023 6 Dark Sky New Mexico, Animas
162 C85 1632 172 9.49 2011 – 2017 7 Observatorio Cala d'Hort, Ibiza
163 Y90 208 22 9.45 2022 – 2023 2 Observatorio ESTELIA, Ladines
164 H55 14128 1500 9.42 2004 – 2009 6 Astronomical Research Observatory, Charleston
165 511 3396 367 9.25 1980 – 2024 45 Haute Provence
166 619 203 22 9.23 2007 – 2023 17 Sabadell
167 M22 14063 1526 9.22 2022 – 2024 3 ATLAS South Africa, Sutherland
168 784 91 10 9.10 1997 – 2012 16 Stull Observatory, Alfred University
169 I16 691 76 9.09 2009 – 2015 7 IAA-AI Atacama, San Pedro de Atacama
170 848 316 35 9.03 1999 – 2002 4 Tenagra Observatory, Cottage Grove
171 P07 45488 5048 9.01 2021 – 2024 4 Space Surveillance Telescope, HEH Station
172 A60 9 1 9.00 2006 – 2006 1 YSTAR-NEOPAT Station, Sutherland
173 I24 9 1 9.00 2012 – 2012 1 Lake of the Woods Observatory, Locust Grove
174 K28 9 1 9.00 2018 – 2018 1 Sternwarte Eckdorf
175 B34 90 10 9.00 2008 – 2017 10 Green Island Observatory, Gecitkale
176 657 9 1 9.00 1993 – 1993 1 Climenhaga Observatory, Victoria
177 246 28894 3237 8.93 2002 – 2024 23 Klet Observatory-KLENOT
178 A57 116 13 8.92 2004 – 2022 19 Osservatorio Astron. Margherita Hack, Firenze
179 I21 187 21 8.90 2009 – 2009 1 El Condor Observatory, Cordoba
180 Q68 187 21 8.90 2013 – 2022 10 Blue Mountains Observatory, Leura
181 G36 17464 1963 8.90 2011 – 2023 13 Calar Alto-CASADO
182 B82 213 24 8.88 2010 – 2015 6 Maidbronn
183 160 14050 1593 8.82 2002 – 2024 23 Castelmartini
184 Z92 44 5 8.80 2017 – 2022 6 Almalex Observatory, Leeds
185 I52 179138 20402 8.78 2012 – 2024 13 Steward Observatory, Mt. Lemmon Station
186 A55 549 63 8.71 2004 – 2014 11 Osservatorio Astronomico Vallemare di Borbona
187 J24 165 19 8.68 2009 – 2013 5 Observatorio Altamira
188 Z53 69 8 8.63 2018 – 2024 7 TRAPPIST-North, Oukaimeden
189 D20 370 43 8.60 2009 – 2023 15 Zadko Observatory, Wallingup Plain
190 L16 17 2 8.50 2019 – 2020 2 Stardreams Observatory, Valenii de Munte
191 987 17 2 8.50 2012 – 2017 6 Isle of Man Observatory, Foxdale
192 G73 17 2 8.50 2004 – 2004 1 Mount Wilson-TIE
193 703 435706 51921 8.39 1998 – 2024 27 Catalina Sky Survey
194 J65 151 18 8.39 2006 – 2011 6 Celbridge
195 W77 134 16 8.38 2015 – 2017 3 Skyledge Observatory, Killingworth
196 V38 25 3 8.33 2018 – 2023 6 McDonald Observatory-LCO ELP Aqawan A #1
197 D39 116 14 8.29 2008 – 2013 6 Shandong University Observatory, Weihai
198 G32 4830 583 8.28 2012 – 2017 6 Elena Remote Observatory, San Pedro de Atacama
199 C60 57 7 8.14 2011 – 2012 2 Argelander Institute for Astronomy Obs., Bonn
200 941 3631 447 8.12 2001 – 2022 22 Observatorio Pla D'Arguines
201 468 73 9 8.11 1998 – 2003 6 Astronomical Observatory, Campo Catino
202 186 259 32 8.09 1942 – 2023 82 Kitab
203 A98 323 40 8.07 2010 – 2023 14 Observatory Mazzarot-1, Baran'
204 510 880 109 8.07 2006 – 2017 12 Siegen
205 423 137 17 8.06 2005 – 2007 3 North Ryde
206 642 169 21 8.05 2000 – 2003 4 Oak Bay, Victoria
207 Z98 8 1 8.00 2017 – 2017 1 Observatorio TRZ, Betera
208 K47 16 2 8.00 2022 – 2023 2 BSCR Observatory, Santa Maria a Monte
209 629 32 4 8.00 2002 – 2008 7 Szeged Observatory
210 V93 232 29 8.00 2020 – 2022 3 Pin Oak Observatory, Fort Madison
211 I54 8 1 8.00 2012 – 2012 1 Observatorio Las Vaguadas, Badajoz
212 H31 8 1 8.00 2007 – 2008 2 Star Ridge Observatory, Weimar
213 J68 48 6 8.00 2006 – 2006 1 Tweenhills Observatory, Hartpury
214 N83 8 1 8.00 2023 – 2023 1 LW-1, NAOC-Korla
215 K26 48 6 8.00 2016 – 2023 8 Contern
216 I66 8 1 8.00 2015 – 2015 1 Taurus Australis Observatory, Brasilia
217 750 127 16 7.94 1999 – 2004 6 Hobbs Observatory, Fall Creek
218 K73 274 35 7.83 2015 – 2023 9 Gravina in Puglia
219 C91 140 18 7.78 2012 – 2013 2 Montevenere Observatory, Monzuno
220 661 31 4 7.75 2008 – 2010 3 Rothney Astrophysical Observatory, Priddis
221 V63 23 3 7.67 2021 – 2021 1 Tara Observatory, Cherokee
222 L76 751 98 7.66 2020 – 2024 5 Nomad Observatory, Kochevanchik
223 240 901 119 7.57 2002 – 2020 19 Herrenberg Sternwarte
224 H10 1577 210 7.51 2008 – 2011 4 Tzec Maun Observatory, Mayhill
225 190 15 2 7.50 2009 – 2010 2 Gissar
226 Y88 15 2 7.50 2023 – 2023 1 ASERO, Valdin
227 V78 15 2 7.50 2014 – 2018 5 Spirit Marsh Observatory. Sauk Centre
228 M43 15 2 7.50 2020 – 2020 1 Al Sadeem Observatory, Abu Dhabi
229 Z25 15 2 7.50 2019 – 2022 4 Artemis Observatory, Teide
230 M46 45 6 7.50 2020 – 2021 2 Althuraya Astronomy Center, Dubai
231 127 313 42 7.45 2000 – 2016 17 Bornheim
232 C48 1087 146 7.45 2012 – 2019 8 Sayan Solar Observatory, Irkutsk
233 681 37 5 7.40 1999 – 2000 2 Calgary
234 126 37 5 7.40 1997 – 2004 8 Monte Viseggi
235 586 530 72 7.36 2001 – 2023 23 Pic du Midi
236 H21 155281 21156 7.34 2009 – 2024 16 Astronomical Research Observatory, Westfield
237 K82 22 3 7.33 2017 – 2018 2 Alphard Observatory, Ostuni
238 424 22 3 7.33 1996 – 1997 2 Macquarie
239 K14 502 69 7.28 2014 – 2023 10 Observatorio de Sencelles
240 L18 4925 679 7.25 2017 – 2024 8 QOS Observatory, Zalistsi
241 718 2844 393 7.24 2009 – 2024 16 Tooele
242 323 412 57 7.23 1969 – 2022 54 Perth Observatory, Bickley
243 073 636 88 7.23 1943 – 2024 82 Bucharest
244 W53 36 5 7.20 2022 – 2023 2 Hagerstown
245 G89 789 110 7.17 2008 – 2013 6 Kachina Observatory, Flagstaff
246 G19 723 101 7.16 2022 – 2024 3 Immanuel Kant Observatory,Limbach
247 J92 114 16 7.13 2003 – 2008 6 Beaconsfield
248 151 3594 505 7.12 1998 – 2019 22 Eschenberg Observatory, Winterthur
249 428 1312 185 7.09 1998 – 2010 13 Reedy Creek
250 452 85 12 7.08 2001 – 2005 5 Big Cypress Observatory, Fort Lauderdale
251 K87 9124 1293 7.06 2017 – 2024 8 Dettelbach Vineyard Observatory
252 322 155 22 7.05 1999 – 2009 11 Perth Observatory, Bickley-MCT
253 762 7 1 7.00 2003 – 2003 1 Four Winds Observatory, Lake Leelanau
254 964 7 1 7.00 1999 – 1999 1 Southend Bradfield
255 U75 7 1 7.00 2022 – 2022 1 Newport Beach
256 827 7 1 7.00 2002 – 2002 1 Saint-Felicien
257 A34 7 1 7.00 2004 – 2004 1 Grosshabersdorf
258 X08 7 1 7.00 2023 – 2023 1 ShAO Chile station, El Sauce
259 605 7 1 7.00 1996 – 1996 1 Marl
260 Z38 21 3 7.00 2017 – 2021 5 Picoto Observatory, Leiria
261 112 14 2 7.00 2002 – 2002 1 Pleiade Observatory, Verona
262 Z37 14 2 7.00 2017 – 2022 6 Northolt Branch Observatory 3, Blandford Forum
263 M47 14 2 7.00 2021 – 2022 2 Sharjah Observatory, Sharjah
264 Z35 14 2 7.00 2017 – 2017 1 OAO University Observatory Station Aras
265 C89 118 17 6.94 2022 – 2024 3 Astronomical Station Vidojevica
266 C97 909 131 6.94 2017 – 2024 8 Al-Fulaij Observatory, Oman
267 B88 1949 282 6.91 2009 – 2024 16 Bigmuskie Observatory, Mombercelli
268 A92 130 19 6.84 2007 – 2024 18 Urseanu Observatory, Bucharest
269 713 41 6 6.83 1998 – 2000 3 Thornton
270 I76 634 93 6.82 2012 – 2022 11 Observatorio Tesla, Valdemorillo
271 817 34 5 6.80 1995 – 1998 4 Sudbury
272 X10 596 88 6.77 2023 – 2024 2 OVTLN, San Pedro de Atacama
273 168 458 68 6.74 2011 – 2024 14 Kourovskaya
274 N31 195 29 6.72 2020 – 2023 4 Eden Astronomical Observatory, Lahore
275 333 911 136 6.70 2001 – 2014 14 Desert Eagle Observatory
276 250 702 105 6.69 1997 – 2022 26 Hubble Space Telescope
277 952 527 79 6.67 2000 – 2009 10 Marxuquera
278 290 6377 956 6.67 2001 – 2024 24 Mt. Graham-VATT
279 P25 20 3 6.67 2014 – 2014 1 Kinmen Educational Remote Observatory, Jincheng
280 709 73 11 6.64 1996 – 2000 5 W & B Observatory, Cloudcroft
281 J50 199 30 6.63 2004 – 2006 3 La Palma-NEON
282 Q57 53 8 6.63 2018 – 2020 3 Korea Microlensing Telescope Network-SSO
283 557 3897 592 6.58 1994 – 2023 30 Ondrejov
284 568 162710 24826 6.55 1989 – 2022 34 Maunakea
285 J93 39 6 6.50 2002 – 2012 11 Mount Tuffley Observatory, Gloucester
286 921 13 2 6.50 2000 – 2002 3 SW Institute for Space Research, Cloudcroft
287 D54 13 2 6.50 2012 – 2016 5 MASTER-II Observatory, Blagoveshchensk
288 Y65 26 4 6.50 2023 – 2024 2 Two-Meter Twin Telescope, TTT1, Teide
289 897 84 13 6.46 1988 – 1998 11 YGCO Chiyoda Station
290 H68 84 13 6.46 2006 – 2008 3 Red Barn Observatory, Ty Ty
291 L22 45 7 6.43 2013 – 2014 2 Barlad Observatory
292 G48 3116 486 6.41 2011 – 2019 9 Harlingten Research Observatory, Rancho Hildalgo
293 033 50049 7813 6.41 1960 – 2024 65 Karl Schwarzschild Observatory, Tautenburg
294 L54 602 94 6.40 2019 – 2024 6 Berthelot Observatory, Hunedoara
295 432 32 5 6.40 2008 – 2011 4 Boambee
296 381 1222 191 6.40 1976 – 2023 48 Tokyo-Kiso
297 Q21 358 56 6.39 2015 – 2024 10 Southern Utsunomiya
298 B18 2092 328 6.38 1999 – 2022 24 Terskol
299 924 51 8 6.38 2002 – 2013 12 Observatoire du Cegep de Trois-Rivieres
300 J01 146 23 6.35 2010 – 2015 6 Observatorio Cielo Profundo, Leon
301 K80 336 53 6.34 2017 – 2023 7 Platanus Observatory, Lusowko
302 B24 38 6 6.33 2007 – 2019 13 Cesson
303 J66 139 22 6.32 2007 – 2008 2 Kinver
304 954 1965 314 6.26 1998 – 2022 25 Teide Observatory
305 L23 25 4 6.25 2017 – 2017 1 Schela Observatory
306 C00 25 4 6.25 2009 – 2009 1 Velikie Luki
307 Z80 9979 1598 6.24 2015 – 2024 10 Northolt Branch Observatory
308 Z21 541 87 6.22 2016 – 2024 9 Tenerife-LCO Aqawan A #1
309 697 143 23 6.22 1993 – 2022 30 Kitt Peak, McGraw-Hill
310 K17 62 10 6.20 2016 – 2023 8 Observatoire des Valentines, Bex
311 165 31 5 6.20 2000 – 2001 2 Piera Observatory, Barcelona
312 304 2727 441 6.18 2001 – 2024 24 Las Campanas Observatory
313 E89 37 6 6.17 2013 – 2022 10 Geyserland Observatory, Pukehangi
314 A16 588 96 6.13 2004 – 2023 20 Tentlingen
315 G33 832 136 6.12 2012 – 2024 13 Wickede
316 G01 1038 170 6.11 2021 – 2024 4 Universitaetssternwarte Oldenburg
317 474 37373 6152 6.07 1985 – 2024 40 Mount John Observatory, Lake Tekapo
318 114 2625 433 6.06 2008 – 2012 5 Engelhardt Observatory, Zelenchukskaya Station
319 Z57 127 21 6.05 2019 – 2023 5 Observatorio Zuben, Alhaurin de la Torre
320 T09 117410 19426 6.04 2002 – 2023 22 Subaru Telescope, Maunakea
321 G53 1145 190 6.03 2010 – 2013 4 Alder Springs Observatory, Auberry
322 H49 6 1 6.00 2011 – 2011 1 ATU Astronomical Observatory, Russellville
323 C38 6 1 6.00 2012 – 2012 1 Varuna Observatory, Cuorgne
324 E24 12 2 6.00 2011 – 2015 5 Tangra Observatory, St. Clair
325 Z04 6 1 6.00 2022 – 2022 1 MAO, Ain Laqsab
326 U57 6 1 6.00 2015 – 2015 1 Black Mountain Observatory, Los Altos
327 G69 6 1 6.00 2011 – 2011 1 Via Capote Sky Observatory, Thousand Oaks
328 830 36 6 6.00 2003 – 2004 2 Hudson
329 H97 6 1 6.00 2004 – 2004 1 Talcott Mountain Science Center, Avon
330 B17 6 1 6.00 2010 – 2010 1 AZT-8 Yevpatoriya
331 239 48 8 6.00 2002 – 2013 12 Trebur
332 V33 6 1 6.00 2022 – 2022 1 Finlaystone Observatory, Angel Fire
333 659 6 1 6.00 1998 – 1998 1 Heron Cove Observatory, Orcas
334 H99 6 1 6.00 2006 – 2006 1 Sunhill Observatory, Newton
335 C03 6 1 6.00 2016 – 2016 1 Clayhole Observatory, Jokela
336 V25 6 1 6.00 2023 – 2023 1 Tortugas Mountain Observatory, Las Cruces
337 Q69 6 1 6.00 2019 – 2019 1 Hazelbrook
338 L73 6 1 6.00 2022 – 2022 1 Beato Ermanno Observatory, Impruneta
339 H33 6 1 6.00 2009 – 2009 1 Bixhoma Observatory, Bixby
340 456 6 1 6.00 2005 – 2005 1 Daventry Observatory
341 A49 6 1 6.00 2006 – 2006 1 Uppsala-Angstrom
342 D89 6 1 6.00 2008 – 2008 1 Yamagata
343 P66 6 1 6.00 2021 – 2021 1 Deokheung Optical Astronomy Observatory
344 612 6 1 6.00 1996 – 1996 1 Lenkerbeck
345 W95 1852 310 5.97 2014 – 2024 11 Observatorio Panameno, San Pedro de Atacama
346 926 48581 8149 5.96 2000 – 2018 19 Tenagra II Observatory, Nogales
347 K62 518 87 5.95 2015 – 2024 10 Teplice Observatory
348 426 428 72 5.94 1997 – 1999 3 Woomera
349 V20 101 17 5.94 2020 – 2022 3 Killer Rocks Observatory, Pie Town
350 H13 89 15 5.93 2009 – 2010 2 Lenomiya Observatory, Casa Grande
351 850 3546 598 5.93 2000 – 2020 21 Cordell-Lorenz Observatory, Sewanee
352 L65 1277 216 5.91 2020 – 2024 5 Bredenkamp Observatory, Bremen
353 E12 28404 4823 5.89 2003 – 2013 11 Siding Spring Survey
354 U63 212 36 5.89 2018 – 2020 3 Burnt Tree Hill Observatory, Cle Elum
355 201 159 27 5.89 2001 – 2005 5 Jonathan B. Postel Observatory
356 T04 206 35 5.89 2016 – 2022 7 Haleakala-LCO OGG B #2
357 B11 47 8 5.88 2006 – 2015 10 Osservatorio Cima Rest, Magasa
358 V37 2816 484 5.82 2013 – 2023 11 McDonald Observatory-LCO ELP
359 V21 349 60 5.82 2021 – 2024 4 Cewanee Observatory at DSNM
360 L47 649 112 5.79 2020 – 2024 5 Osservatorio Astronomico, Piobbico
361 W87 2374 411 5.78 2012 – 2023 12 Cerro Tololo-LCO C
362 K35 283 49 5.78 2023 – 2024 2 Huenfelden
363 A53 1992 345 5.77 2005 – 2022 18 Peschiera del Garda
364 C47 2320 402 5.77 2011 – 2022 12 Nonndorf
365 300 8865 1540 5.76 2000 – 2017 18 Bisei Spaceguard Center-BATTeRS
366 U52 3364 586 5.74 2021 – 2024 4 Shasta Valley Observatory, Grenada
367 N55 86 15 5.73 2014 – 2020 7 Corona Borealis Observatory, Ngari, Tibet
368 705 20835 3636 5.73 1998 – 2020 23 Apache Point
369 896 40 7 5.71 1989 – 1997 9 Yatsugatake South Base Observatory
370 B84 40 7 5.71 2009 – 2009 1 Cyclops Observatory, Oostkapelle
371 349 57 10 5.70 2000 – 2018 19 Ageo
372 A48 2553 448 5.70 2004 – 2024 21 Povegliano Veronese
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1109 372 464 211 2.20 1981 – 2024 44 Geisei
1110 053 37 17 2.18 1934 – 1943 10 Konkoly Observatory, Budapest (since 1933)
1111 M50 93 43 2.16 2023 – 2024 2 Virtual Telescope Project, Manciano
1112 235 155 72 2.15 2002 – 2013 12 CAST Observatory, Talmassons
1113 092 73 34 2.15 1986 – 1987 2 Torun-Piwnice
1114 094 465 217 2.14 1912 – 2021 110 Crimea-Simeiz
1115 017 40 19 2.11 1980 – 2004 25 Hoher List
1116 W57 156 77 2.03 2023 – 2024 2 ESA TBT La Silla Observatory
1117 877 26 13 2.00 1988 – 1992 5 Okutama
1118 256 4 2 2.00 2001 – 2008 8 Green Bank
1119 714 4 2 2.00 1999 – 1999 1 Bagdad
1120 875 8 4 2.00 1990 – 1991 2 Yorii
1121 119 112 56 2.00 1938 – 2021 84 Abastuman
1122 364 26 13 2.00 1988 – 1992 5 YCPM Kagoshima Station
1123 889 10 5 2.00 1984 – 1985 2 Karasuyama
1124 401 6 3 2.00 1988 – 1988 1 Oosato
1125 888 16 8 2.00 1987 – 1999 13 Gekko
1126 882 6 3 2.00 1983 – 1984 2 JCPM Oi Station
1127 K85 2 1 2.00 2023 – 2023 1 Kelmis
1128 E81 2 1 2.00 2011 – 2011 1 Nelson
1129 G25 2 1 2.00 2013 – 2013 1 Sherbrooke
1130 B12 4 2 2.00 2007 – 2009 3 Koschny Observatory, Noordwijkerhout
1131 220 2 1 2.00 1987 – 1987 1 Vainu Bappu Observatory, Kavalur
1132 E22 2 1 2.00 2009 – 2009 1 Univ. of Southern Queensland Obs., Mt. Kent
1133 O44 2 1 2.00 2015 – 2015 1 Lijiang Station, Yunnan Observatories
1134 898 2 1 2.00 1990 – 1990 1 Fujieda
1135 788 4 2 2.00 1972 – 1974 3 Mount Cuba Observatory, Wilmington
1136 I86 2 1 2.00 2013 – 2013 1 Observatorio UCM, Madrid
1137 770 2 1 2.00 1996 – 1996 1 Crescent Moon Observatory, Columbus
1138 868 4 2 2.00 1994 – 1994 1 Hidaka Observatory
1139 347 2 1 2.00 2001 – 2001 1 Utsunomiya-Imaizumi
1140 K81 2 1 2.00 2020 – 2020 1 P.M.P.H.R. Deep Sky Observatory, Atina
1141 032 2 1 2.00 1967 – 1967 1 Jena
1142 403 18 9 2.00 1989 – 1991 3 Kani
1143 389 2 1 2.00 1930 – 1930 1 Tokyo (before 1938)
1144 358 2 1 2.00 1997 – 1997 1 Nanyo
1145 905 2 1 2.00 1995 – 1995 1 Nachi-Katsuura Observatory
1146 L05 2 1 2.00 2019 – 2019 1 Dridri Observatory, Franciacorta
1147 685 2 1 2.00 1990 – 1990 1 Williams
1148 Z08 2 1 2.00 2023 – 2023 1 Telescope Live, Oria
1149 K68 2 1 2.00 2016 – 2016 1 Osservatorio Elianto, Pontecagnano
1150 485 2 1 2.00 1978 – 1978 1 Carter Observatory, Wellington
1151 141 2 1 2.00 1998 – 1998 1 Hottviller
1152 571 2 1 2.00 1983 – 1983 1 Cavriana
1153 849 2 1 2.00 2000 – 2000 1 Everstar Observatory, Olathe
1154 D88 2 1 2.00 2010 – 2010 1 Hiratsuka
1155 I53 4 2 2.00 2012 – 2012 1 Armilla
1156 166 2 1 2.00 2018 – 2018 1 Upice
1157 M13 2 1 2.00 2023 – 2023 1 Lucie Berger Observatory, Strasbourg
1158 727 2 1 2.00 2013 – 2013 1 Zeno Observatory, Edmond
1159 881 26 13 2.00 1984 – 1991 8 Toyota
1160 Y98 2 1 2.00 2024 – 2024 1 Southside Observatory, Steeple Aston
1161 026 67 34 1.97 1966 – 2015 50 Berne-Zimmerwald
1162 391 21 11 1.91 1987 – 1991 5 Sendai Observatory, Ayashi Station
1163 056 11 6 1.83 1954 – 2003 50 Skalnate Pleso
1164 Q55 9 5 1.80 2014 – 2016 3 SkyMapper, Siding Spring
1165 095 5308 2976 1.78 1964 – 2024 61 Crimea-Nauchnyi
1166 057 71 40 1.77 1937 – 2004 68 Belgrade
1167 388 298 168 1.77 1937 – 1996 60 Tokyo-Mitaka
1168 894 14 8 1.75 1991 – 1992 2 Kiyosato
1169 024 1292 754 1.71 1891 – 2013 123 Heidelberg-Konigstuhl
1170 494 5 3 1.67 1989 – 1989 1 Stakenbridge
1171 212 5 3 1.67 2002 – 2002 1 Observatorio La Dehesilla
1172 885 5 3 1.67 1990 – 1993 4 JCPM Yakiimo Station
1173 020 1486 901 1.65 1935 – 1975 41 Nice
1174 760 430 266 1.62 1948 – 1966 19 Goethe Link Observatory, Brooklyn
1175 839 139 86 1.62 1920 – 1979 60 La Plata
1176 786 6 4 1.50 1903 – 1996 94 U.S. Naval Obs., Washington (since 1893)
1177 374 6 4 1.50 1989 – 1990 2 Minami-Oda Observatory
1178 047 3 2 1.50 1947 – 1947 1 Poznan
1179 080 6 4 1.50 1939 – 1941 3 Istanbul
1180 983 3 2 1.50 1949 – 1959 11 San Fernando
1181 031 3 2 1.50 1940 – 1957 18 Sonneberg
1182 990 27 19 1.42 1934 – 1957 24 Madrid
1183 805 84 62 1.35 1969 – 1978 10 Santiago-Cerro El Roble
1184 690 65 48 1.35 1906 – 1961 56 Lowell Observatory, Flagstaff
1185 028 74 55 1.35 1938 – 1944 7 Wurzburg
1186 672 4 3 1.33 1926 – 2003 78 Mount Wilson
1187 043 4 3 1.33 1961 – 1962 2 Asiago Astrophysical Observatory, Padua
1188 029 47 36 1.31 1914 – 1973 60 Hamburg-Bergedorf
1189 377 45 35 1.29 1928 – 1955 28 Kwasan Observatory, Kyoto
1190 801 87 68 1.28 1974 – 1996 23 Oak Ridge Observatory
1191 054 78 62 1.26 1984 – 2003 20 Brorfelde
1192 022 11 9 1.22 1925 – 1952 28 Pino Torinese
1193 803 25 22 1.14 1906 – 1910 5 Taunton
1194 008 27 24 1.13 1914 – 1950 37 Algiers-Bouzareah
1195 210 48 44 1.09 1952 – 1955 4 Alma-Ata
1196 078 178 166 1.07 1911 – 1954 44 Johannesburg
1197 076 63 59 1.07 1955 – 1977 23 Johannesburg-Hartbeespoort
1198 085 29 28 1.04 1945 – 1953 9 Kyiv
1199 330 50 49 1.02 1950 – 1992 43 Purple Mountain Observatory, Nanking
1200 800 20 20 1.00 1899 – 1922 24 Harvard Observatory, Arequipa
1201 799 27 27 1.00 1912 – 1914 3 Winchester
1202 293 4 4 1.00 1984 – 1989 6 Burlington remote site
1203 019 9 9 1.00 1912 – 1912 1 Neuchatel
1204 105 12 12 1.00 1924 – 1932 9 Moscow
1205 337 3 3 1.00 1931 – 1960 30 Sheshan, formerly Zo-Se
1206 480 2 2 1.00 2003 – 2008 6 Cockfield
1207 G91 2 2 1.00 1999 – 2000 2 Whipple Observatory, Mt. Hopkins--2MASS
1208 420 2 2 1.00 1958 – 1959 2 Sydney
1209 074 2 2 1.00 1951 – 1952 2 Boyden Observatory, Bloemfontein
1210 999 2 2 1.00 1938 – 1938 1 Bordeaux-Floirac
1211 491 2 2 1.00 1982 – 1985 4 Centro Astronomico de Yebes
1212 086 3 3 1.00 1947 – 1950 4 Odesa
1213 334 3 3 1.00 1961 – 1963 3 Tsingtao
1214 045 3 3 1.00 1890 – 1940 51 Vienna (since 1879)
1215 075 3 3 1.00 1949 – 1953 5 Tartu
1216 767 1 1 1.00 1873 – 1873 1 Ann Arbor
1217 J78 1 1 1.00 2004 – 2004 1 Murcia
1218 007 1 1 1.00 1892 – 1892 1 Paris
1219 067 1 1 1.00 1949 – 1949 1 Lviv University Observatory
1220 871 1 1 1.00 1990 – 1990 1 Akou
1221 103 1 1 1.00 2003 – 2003 1 Ljubljana
1222 710 1 1 1.00 1996 – 1996 1 MPO Observatory, Florissant
1223 787 1 1 1.00 1874 – 1874 1 U.S. Naval Obs., Washington (before 1893)
1224 052 1 1 1.00 1974 – 1974 1 Stockholm-Saltsjobaden
1225 537 1 1 1.00 1898 – 1898 1 Urania Observatory, Berlin
1226 257 1 1 1.00 2007 – 2007 1 Goldstone DSS 25, Fort Irwin
1227 804 1 1 1.00 1945 – 1945 1 Santiago-San Bernardo
1228 055 1 1 1.00 1936 – 1936 1 Cracow
1229 978 1 1 1.00 1989 – 1989 1 Conder Brow
1230 548 1 1 1.00 1878 – 1878 1 Berlin (1835-1913)
1231 H03 1 1 1.00 2005 – 2005 1 Sandia View Observatory, Rio Rancho
1232 O53 1 1 1.00 2005 – 2005 1 Pakchong, Nachonratchasima
1233 O54 1 1 1.00 2005 – 2005 1 TSky Observatory, Chonburi
1234 W13 1 1 1.00 2005 – 2005 1 Star Quarry Observatory, Bedford
1235 D40 1 1 1.00 2005 – 2005 1 Frosinone
1236 P13 1 1 1.00 2005 – 2005 1 Baihuashan Observatory, Beijing
1237 D31 1 1 1.00 2005 – 2005 1 Osservatorio Aldebaran, Rivalba
1238 V24 1 1 1.00 2005 – 2005 1 Sonoran Desert Skies Observatory, Pearce
Sum 1238 36950123 796854 46.37 1873 – 2024 152 1238 names