J27 El Guijo Observatory
- Country: Spain
- State: Community of Madrid
- County:
- City:
- Observatory Type: optical
- Old Names: None
- Website:
- Where is this observatory?
Last update: UTC 2026-03-01 09:28:17
Graphs
Yearly Breakdown of MPEC Types
Term definition:Editorial - Editorial MPECs associated with this station.
Discovery - MPECs associated with discovery made by this station.
OrbitUpdate - MPECs associated with orbit updates involving observations made by this station. Typically, these are recoveries of single-opposition objects.
DOU - Daily Orbit Update MPECs involving observations made by this station.
ListUpdate - MPECs associated with list updates involving observations made by this station. This category has largely been retired since 2012.
Retraction - Retracted MPECs involving observations made by this station.
Followup - MPECs associated with follow-up observations made by this station to an object discovered elsewhere.
FirstFollowup - MPECs associated with follow-up observations made by this station to an object discovered elsewhere, with this station being the first station to follow-up.
Other - MPECs that do not fit into categories listed above and involve observations made by this station.
Yearly Breakdown of Discovery Object Types
Yearly Breakdown of Orbit Update Object Types
Breakdown by Observers
Breakdown by Measurers
Breakdown by Facilities
Breakdown by Objects
Annual Breakdown
Weekly Breakdown
Hourly Breakdown
Tables
Yearly Breakdown of MPEC Types
| Year | Total MPECs | Editorial | Discovery | Orbit Update | DOU | List Update | Retraction | Other | Follow-Up | First Follow-Up |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2025 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2024 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2023 | 14 | 0 | 0 | 2 | 10 | 0 | 0 | 0 | 2 | 0 |
| 2022 | 5 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 |
| 2021 | 13 | 0 | 0 | 1 | 11 | 0 | 0 | 0 | 1 | 0 |
| 2020 | 12 | 0 | 0 | 1 | 11 | 0 | 0 | 0 | 0 | 0 |
| 2019 | 17 | 0 | 0 | 1 | 14 | 0 | 0 | 0 | 2 | 0 |
| 2018 | 19 | 0 | 0 | 5 | 12 | 0 | 0 | 0 | 2 | 0 |
| 2017 | 49 | 0 | 0 | 4 | 45 | 0 | 0 | 0 | 0 | 0 |
| 2016 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2015 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2014 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2013 | 8 | 0 | 0 | 2 | 6 | 0 | 0 | 0 | 0 | 0 |
| 2012 | 5 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 |
| 2011 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
| 2010 | 7 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 0 | 0 |
| 2009 | 44 | 0 | 0 | 14 | 29 | 0 | 0 | 0 | 1 | 0 |
| 2008 | 58 | 0 | 0 | 10 | 48 | 0 | 0 | 0 | 0 | 0 |
| 2007 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2006 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2005 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2004 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2003 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2002 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2001 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2000 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1999 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1998 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1997 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1996 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1995 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1994 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1993 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
List of Individual MPECs
Objects Observed by This Station
| Object | Observations | Discoveries | First Obs | Last Obs | Magnitude | MPECs |
|---|---|---|---|---|---|---|
| 0029P | 14040 | 0 | 2009-01-04 | 2009-03-18 | 16.6 | 585 |
| 68950 | 12540 | 0 | 2017-07-28 | 2019-07-20 | 16.0 | 418 |
| 08567 | 12432 | 0 | 2008-07-29 | 2018-01-21 | 18.8 | 592 |
| 12538 | 10621 | 0 | 2019-06-12 | 2021-07-10 | 20.1 | 559 |
| 68350 | 10476 | 0 | 2009-02-13 | 2022-04-25 | 18.4 | 582 |
| 35107 | 10455 | 0 | 2008-06-07 | 2008-06-28 | 16.6 | 697 |
| 01917 | 10062 | 0 | 2008-07-11 | 2008-08-28 | N/A | 559 |
| G3696 | 7596 | 0 | 2017-05-02 | 2017-12-19 | 18.7 | 633 |
| 01620 | 7002 | 0 | 2008-08-02 | 2008-10-06 | 15.8 | 778 |
| 90075 | 6396 | 0 | 2017-09-04 | 2017-09-19 | 19.0 | 533 |
| 16960 | 6285 | 0 | 2008-08-07 | 2008-09-13 | 19.7 | 419 |
| J0166 | 5940 | 0 | 2017-07-24 | 2017-09-20 | 20.3 | 330 |
| 11398 | 5928 | 0 | 2008-06-27 | 2017-08-01 | 16.1 | 494 |
| 17511 | 5706 | 0 | 2017-11-11 | 2017-12-22 | 19.5 | 317 |
| 03122 | 5472 | 0 | 2017-09-03 | 2017-09-04 | 18.0 | 912 |
| 88188 | 4356 | 0 | 2021-02-13 | 2021-04-04 | 21.3 | 363 |
| 36284 | 4290 | 0 | 2009-01-16 | 2011-02-02 | 18.8 | 390 |
| G4400 | 4185 | 0 | 2008-08-02 | 2008-09-19 | 16.1 | 279 |
| A5140 | 3519 | 0 | 2008-08-23 | 2020-09-08 | 17.7 | 391 |
| 03200 | 3411 | 0 | 2017-11-19 | 2017-11-19 | 19.3 | 1137 |
| E3651 | 3285 | 0 | 2009-02-19 | 2009-04-02 | 21.9 | 219 |
| E2464 | 3180 | 0 | 2017-09-12 | 2021-07-09 | 19.3 | 265 |
| 17182 | 3012 | 0 | 2017-11-11 | 2017-12-22 | 19.6 | 251 |
| K14Y15C | 3000 | 0 | 2017-09-12 | 2017-11-15 | 21.9 | 125 |
| 02329 | 2871 | 0 | 2017-05-02 | 2017-05-23 | 20.4 | 319 |
| 01865 | 2848 | 0 | 2008-09-26 | 2017-10-24 | 18.3 | 356 |
| Q5962 | 2844 | 0 | 2017-08-20 | 2017-10-10 | 22.0 | 158 |
| X3888 | 2814 | 0 | 2017-09-16 | 2017-11-19 | 18.4 | 134 |
| 0074P | 2796 | 0 | 2009-01-16 | 2018-05-16 | 20.4 | 233 |
| 53435 | 2646 | 0 | 2013-12-07 | 2021-02-13 | 20.7 | 441 |
| 90403 | 2556 | 0 | 2008-07-27 | 2008-08-08 | 18.4 | 213 |
| 12711 | 2526 | 0 | 2009-01-04 | 2018-01-17 | 17.8 | 421 |
| 85818 | 2439 | 0 | 2008-06-17 | 2013-12-09 | 20.1 | 271 |
| 89355 | 2394 | 0 | 2009-02-23 | 2021-02-13 | 17.8 | 399 |
| F9402 | 2385 | 0 | 2020-10-08 | 2021-02-13 | 21.4 | 265 |
| 01866 | 2266 | 0 | 2008-04-30 | 2008-04-30 | 17.2 | 1133 |
| CK06O02F | 2250 | 0 | 2008-07-27 | 2009-03-20 | 15.1 | 125 |
| 54789 | 2238 | 0 | 2022-05-08 | 2022-05-08 | 19.4 | 746 |
| F4244 | 2154 | 0 | 2023-07-30 | 2023-08-06 | 22.2 | 359 |
| 16834 | 2130 | 0 | 2013-12-05 | 2013-12-05 | 17.1 | 710 |
| D7062 | 1992 | 0 | 2017-11-19 | 2017-12-04 | 19.0 | 332 |
| 07977 | 1926 | 0 | 2018-01-18 | 2018-01-21 | 20.6 | 321 |
| E3404 | 1920 | 0 | 2017-04-08 | 2017-04-14 | 19.7 | 160 |
| 85709 | 1881 | 0 | 2023-08-19 | 2023-08-19 | 17.1 | 627 |
| G2173 | 1755 | 0 | 2020-10-15 | 2020-11-20 | 19.5 | 195 |
| 0047P | 1740 | 0 | 2017-10-11 | 2017-11-19 | 17.8 | 116 |
| 99942 | 1680 | 0 | 2021-03-15 | 2021-03-20 | 15.2 | 280 |
| 07889 | 1650 | 0 | 2008-06-24 | 2008-06-24 | N/A | 550 |
| 0116P | 1512 | 0 | 2009-02-19 | 2009-03-18 | 22.1 | 168 |
| B5052 | 1503 | 0 | 2018-08-31 | 2018-10-05 | N/A | 167 |
| 65690 | 1460 | 0 | 2008-08-03 | 2008-08-09 | 20.6 | 146 |
| E2040 | 1452 | 0 | 2017-07-24 | 2017-08-02 | 18.9 | 242 |
| n6018 | 1440 | 0 | 2017-07-28 | 2017-09-19 | 22.1 | 72 |
| 66008 | 1430 | 0 | 2008-07-12 | 2008-08-24 | 19.0 | 286 |
| G2004 | 1392 | 0 | 2008-12-18 | 2013-12-05 | 18.3 | 232 |
| 68216 | 1383 | 0 | 2022-04-15 | 2022-04-15 | 18.6 | 461 |
| 04257 | 1377 | 0 | 2008-08-09 | 2008-08-09 | 15.1 | 459 |
| E4411 | 1320 | 0 | 2020-10-31 | 2020-11-01 | 19.2 | 220 |
| F4302 | 1320 | 0 | 2020-10-24 | 2020-11-20 | 22.8 | 110 |
| D7925 | 1293 | 0 | 2009-02-15 | 2009-02-15 | 19.0 | 431 |
| K19G03D | 1248 | 0 | 2019-07-06 | 2019-08-01 | N/A | 104 |
| L9071 | 1236 | 0 | 2011-10-02 | 2011-10-02 | 16.5 | 412 |
| CK05L030 | 1224 | 0 | 2008-06-19 | 2008-06-24 | 19.9 | 204 |
| CK16R020 | 1209 | 0 | 2017-11-15 | 2019-06-15 | 22.8 | 31 |
| n6005 | 1197 | 0 | 2017-10-02 | 2017-10-31 | 21.9 | 63 |
| h8429 | 1140 | 0 | 2018-08-20 | 2018-10-03 | 17.0 | 190 |
| 02368 | 1125 | 0 | 2017-12-22 | 2017-12-22 | 17.3 | 375 |
| 85839 | 1119 | 0 | 2013-12-07 | 2013-12-07 | 19.6 | 373 |
| E2561 | 1116 | 0 | 2017-07-24 | 2017-07-30 | 17.0 | 124 |
| D7170 | 1098 | 0 | 2008-06-17 | 2008-06-17 | 17.4 | 549 |
| 06053 | 1056 | 0 | 2021-02-13 | 2021-02-13 | 19.8 | 352 |
| 08037 | 1044 | 0 | 2017-11-14 | 2017-11-14 | 20.5 | 348 |
| K07B02T | 1020 | 0 | 2009-03-07 | 2009-04-08 | 18.9 | 85 |
| K10W07Q | 996 | 0 | 2022-04-15 | 2022-04-25 | 17.2 | 166 |
| p8635 | 996 | 0 | 2018-10-03 | 2018-10-05 | 22.2 | 166 |
| K05T45U | 981 | 0 | 2008-06-12 | 2008-06-28 | 21.9 | 109 |
| 10115 | 978 | 0 | 2020-10-31 | 2020-10-31 | 18.4 | 326 |
| E1052 | 972 | 0 | 2009-01-04 | 2009-01-07 | 20.9 | 162 |
| 52768 | 969 | 0 | 2020-04-03 | 2020-04-03 | 21.4 | 323 |
| 20460 | 966 | 0 | 2013-12-02 | 2013-12-02 | 20.8 | 322 |
| f5029 | 951 | 0 | 2021-01-16 | 2021-01-16 | 16.2 | 317 |
| H3561 | 944 | 0 | 2019-07-22 | 2019-08-03 | 21.5 | 118 |
| E2348 | 942 | 0 | 2009-01-07 | 2009-01-15 | 21.0 | 157 |
| 13553 | 933 | 0 | 2018-08-14 | 2018-08-14 | 20.7 | 311 |
| Z5256 | 888 | 0 | 2019-07-06 | 2019-08-03 | 21.6 | 148 |
| E0158 | 864 | 0 | 2017-11-15 | 2017-11-19 | 15.7 | 144 |
| P1346 | 816 | 0 | 2013-12-02 | 2013-12-05 | 20.4 | 136 |
| G3902 | 804 | 0 | 2021-01-16 | 2021-01-16 | 20.4 | 268 |
| 98943 | 798 | 0 | 2023-02-03 | 2023-02-03 | 20.6 | 266 |
| o6459 | 786 | 0 | 2023-02-16 | 2023-02-16 | 20.0 | 262 |
| g8086 | 756 | 0 | 2020-11-19 | 2020-11-20 | 20.5 | 126 |
| o0749 | 736 | 0 | 2017-10-23 | 2017-10-31 | N/A | 92 |
| 15745 | 723 | 0 | 2009-06-23 | 2009-06-23 | 20.5 | 241 |
| 22099 | 720 | 0 | 2022-04-06 | 2022-04-06 | 17.3 | 240 |
| A0756 | 717 | 0 | 2022-05-08 | 2022-05-08 | 20.4 | 239 |
| K08S01Q | 712 | 0 | 2008-09-26 | 2008-11-14 | N/A | 89 |
| K03G00W | 684 | 0 | 2008-09-18 | 2008-09-26 | 20.0 | 76 |
| E1765 | 663 | 0 | 2009-01-07 | 2009-01-07 | 18.0 | 221 |
| K00CA1O | 648 | 0 | 2009-10-03 | 2010-03-12 | N/A | 108 |
| 07336 | 630 | 0 | 2017-09-04 | 2017-09-04 | 20.9 | 210 |
| D8971 | 627 | 0 | 2023-02-03 | 2023-02-03 | 20.6 | 209 |
| E4332 | 600 | 0 | 2018-09-13 | 2018-09-13 | 18.3 | 200 |
| 29075 | 594 | 0 | 2012-01-17 | 2012-01-17 | 18.7 | 198 |
| K12Q42G | 585 | 0 | 2012-09-12 | 2012-09-14 | 19.0 | 39 |
| K05R06Q | 570 | 0 | 2009-11-22 | 2009-12-09 | 20.1 | 95 |
| 0217P | 540 | 0 | 2018-01-18 | 2018-01-21 | 19.1 | 90 |
| 11500 | 534 | 0 | 2017-10-11 | 2017-10-11 | 19.4 | 178 |
| K13U03R | 528 | 0 | 2013-12-05 | 2013-12-09 | 20.6 | 88 |
| K05R34C | 516 | 0 | 2008-07-21 | 2008-07-27 | 16.2 | 43 |
| f8929 | 516 | 0 | 2018-10-03 | 2018-10-03 | 17.1 | 172 |
| F3842 | 510 | 0 | 2019-08-01 | 2019-08-01 | 21.5 | 170 |
| J99A04F | 492 | 0 | 2018-01-18 | 2018-01-21 | 22.5 | 82 |
| T3054 | 492 | 0 | 2019-07-22 | 2019-07-24 | 17.6 | 82 |
| 66272 | 489 | 0 | 2020-11-20 | 2020-11-20 | 18.8 | 163 |
| G2566 | 486 | 0 | 2013-12-02 | 2013-12-02 | 20.9 | 162 |
| 55532 | 480 | 0 | 2013-12-07 | 2013-12-07 | 18.0 | 160 |
| 65679 | 468 | 0 | 2017-10-24 | 2017-10-24 | 21.4 | 156 |
| H4050 | 465 | 0 | 2021-02-13 | 2021-02-13 | 20.2 | 155 |
| 09950 | 462 | 0 | 2013-12-09 | 2013-12-09 | 20.5 | 154 |
| G2900 | 462 | 0 | 2009-02-19 | 2009-02-19 | 21.4 | 154 |
| K09C03C | 462 | 0 | 2022-04-15 | 2022-04-15 | N/A | 154 |
| K14UB6R | 462 | 0 | 2017-10-23 | 2017-10-26 | 21.7 | 77 |
| CK06W030 | 459 | 0 | 2008-08-19 | 2008-08-19 | 13.2 | 153 |
| U2311 | 441 | 0 | 2018-01-17 | 2018-01-21 | 17.1 | 49 |
| K06W02Z | 438 | 0 | 2009-02-13 | 2009-02-17 | 18.6 | 73 |
| G1989 | 435 | 0 | 2009-03-07 | 2009-03-07 | N/A | 145 |
| K01L05M | 432 | 0 | 2008-11-14 | 2008-11-26 | 20.9 | 48 |
| F2978 | 429 | 0 | 2020-11-19 | 2020-11-19 | 21.0 | 143 |
| Q2623 | 423 | 0 | 2013-12-29 | 2013-12-29 | N/A | 141 |
| G4201 | 420 | 0 | 2021-03-20 | 2021-03-20 | 21.6 | 140 |
| 0119P | 417 | 0 | 2023-02-16 | 2023-02-16 | N/A | 139 |
| K03Y17P | 408 | 0 | 2021-05-07 | 2021-05-07 | 20.5 | 136 |
| K08E00E | 408 | 0 | 2009-02-13 | 2009-02-17 | 16.5 | 68 |
| CK06Q010 | 402 | 0 | 2009-03-07 | 2009-03-07 | N/A | 134 |
| j5432 | 402 | 0 | 2019-08-01 | 2019-08-03 | 19.3 | 67 |
| G3014 | 396 | 0 | 2021-02-13 | 2021-02-13 | 19.8 | 132 |
| K22B03Q | 396 | 0 | 2022-04-06 | 2022-04-25 | N/A | 66 |
| K02L00V | 393 | 0 | 2009-06-21 | 2009-06-21 | 20.1 | 131 |
| K02N16W | 393 | 0 | 2009-09-04 | 2009-09-04 | 20.4 | 131 |
| 0145P | 378 | 0 | 2017-11-19 | 2018-01-17 | 16.8 | 42 |
| I9700 | 378 | 0 | 2008-08-31 | 2008-08-31 | 19.2 | 126 |
| 0084P | 372 | 0 | 2013-12-05 | 2013-12-07 | 19.1 | 62 |
| K17S17O | 372 | 0 | 2017-11-15 | 2017-11-19 | 16.4 | 62 |
| K06SL7Z | 360 | 0 | 2008-11-05 | 2008-11-19 | 19.9 | 60 |
| K15A45S | 351 | 0 | 2021-03-20 | 2021-03-20 | 19.3 | 117 |
| K17P26J | 351 | 0 | 2017-09-15 | 2017-09-19 | 21.6 | 39 |
| K02G08Z | 345 | 0 | 2020-11-22 | 2020-11-22 | 20.8 | 115 |
| K01K18Y | 336 | 0 | 2022-04-25 | 2022-04-25 | 23.2 | 112 |
| X8292 | 335 | 0 | 2017-10-11 | 2017-10-15 | 21.2 | 67 |
| K13U14X | 327 | 0 | 2020-11-20 | 2020-11-20 | 21.9 | 109 |
| G2168 | 321 | 0 | 2018-08-19 | 2018-08-19 | 23.2 | 107 |
| J99R32B | 318 | 0 | 2018-08-26 | 2018-08-31 | 19.8 | 53 |
| K05T51Z | 315 | 0 | 2008-11-09 | 2008-11-09 | 19.9 | 105 |
| K13P06Y | 312 | 0 | 2020-11-01 | 2020-11-01 | 19.4 | 104 |
| N2382 | 306 | 0 | 2010-03-14 | 2010-03-14 | 21.8 | 102 |
| V7643 | 306 | 0 | 2021-04-04 | 2021-04-04 | 19.6 | 102 |
| K08M01H | 303 | 0 | 2017-10-10 | 2017-10-10 | N/A | 101 |
| O9595 | 303 | 0 | 2013-12-07 | 2013-12-07 | 20.4 | 101 |
| K17P26L | 300 | 0 | 2017-08-20 | 2017-08-22 | N/A | 25 |
| W6388 | 300 | 0 | 2017-09-12 | 2017-09-19 | 18.5 | 50 |
| I9173 | 294 | 0 | 2017-12-19 | 2017-12-22 | 17.2 | 49 |
| K02S41S | 287 | 0 | 2008-09-07 | 2008-09-26 | 19.9 | 41 |
| M2073 | 285 | 0 | 2017-05-22 | 2017-05-22 | 21.0 | 95 |
| CK07N030 | 282 | 0 | 2009-03-20 | 2009-03-20 | 20.9 | 94 |
| K04J20X | 270 | 0 | 2010-05-28 | 2010-06-03 | 21.4 | 45 |
| K08Y02K | 270 | 0 | 2009-01-04 | 2009-01-10 | 22.7 | 45 |
| n8548 | 270 | 0 | 2017-10-11 | 2017-10-15 | 22.2 | 45 |
| K15TE3X | 267 | 0 | 2022-04-25 | 2022-04-25 | 18.9 | 89 |
| K04B86E | 261 | 0 | 2023-02-16 | 2023-02-16 | 22.6 | 87 |
| j3778 | 261 | 0 | 2019-06-12 | 2019-06-12 | 22.2 | 87 |
| J94A01W | 258 | 0 | 2008-12-12 | 2008-12-12 | 20.3 | 86 |
| i4584 | 258 | 0 | 2017-11-08 | 2017-11-11 | 17.4 | 43 |
| CK15V010 | 252 | 0 | 2017-10-23 | 2017-11-19 | 15.6 | 28 |
| K07VD7X | 246 | 0 | 2020-10-15 | 2020-10-15 | 17.8 | 82 |
| K19H00C | 243 | 0 | 2019-05-26 | 2019-05-26 | 22.5 | 81 |
| 0315P | 240 | 0 | 2017-04-15 | 2017-04-21 | 21.5 | 20 |
| K04U01S | 240 | 0 | 2020-10-30 | 2020-11-01 | 20.8 | 40 |
| K09K05D | 237 | 0 | 2010-06-03 | 2010-06-03 | N/A | 79 |
| K11U00A | 228 | 0 | 2018-10-05 | 2018-10-05 | N/A | 76 |
| CK15O010 | 222 | 0 | 2017-08-01 | 2017-08-02 | 20.1 | 37 |
| K08E05V | 222 | 0 | 2009-01-04 | 2009-01-04 | N/A | 74 |
| j7768 | 222 | 0 | 2017-10-24 | 2017-11-19 | 20.6 | 37 |
| m1394 | 222 | 0 | 2018-08-31 | 2018-08-31 | 17.1 | 74 |
| K09K03C | 216 | 0 | 2009-10-11 | 2009-10-11 | 22.0 | 72 |
| K17R01V | 216 | 0 | 2017-09-20 | 2017-10-02 | 22.4 | 36 |
| K23H06O | 216 | 0 | 2023-06-16 | 2023-06-16 | N/A | 72 |
| l4231 | 216 | 0 | 2017-04-21 | 2017-04-23 | 20.4 | 36 |
| CK08Q010 | 215 | 0 | 2008-08-24 | 2008-08-31 | 19.2 | 43 |
| 0209P | 213 | 0 | 2009-01-10 | 2009-01-10 | 18.9 | 71 |
| q3631 | 213 | 0 | 2018-10-05 | 2018-10-05 | 17.8 | 71 |
| CK17M040 | 210 | 0 | 2018-07-16 | 2018-07-23 | 16.6 | 35 |
| F3953 | 207 | 0 | 2009-02-19 | 2009-02-19 | 21.3 | 69 |
| CK20S040 | 204 | 0 | 2023-02-03 | 2023-02-03 | N/A | 68 |
| l4179 | 204 | 0 | 2020-11-01 | 2020-11-01 | 19.8 | 68 |
| c5580 | 201 | 0 | 2018-01-18 | 2018-01-18 | 21.5 | 67 |
| K07V04Q | 196 | 0 | 2008-05-01 | 2008-05-01 | 20.4 | 98 |
| K06B10C | 195 | 0 | 2009-02-23 | 2009-02-23 | 21.6 | 65 |
| K07U01Y | 192 | 0 | 2009-01-04 | 2009-01-04 | 18.7 | 64 |
| K12T04C | 192 | 0 | 2017-10-08 | 2017-10-09 | N/A | 32 |
| CK22E030 | 189 | 0 | 2023-02-03 | 2023-02-03 | 11.7 | 63 |
| K02W00P | 189 | 0 | 2009-12-10 | 2009-12-10 | 19.3 | 63 |
| 0064P | 186 | 0 | 2018-08-31 | 2018-10-03 | N/A | 31 |
| K04T13Q | 186 | 0 | 2017-09-16 | 2017-09-20 | 17.8 | 31 |
| b7097 | 186 | 0 | 2013-12-09 | 2013-12-09 | 16.9 | 62 |
| F3349 | 183 | 0 | 2018-01-18 | 2018-01-18 | 21.4 | 61 |
| M9672 | 180 | 0 | 2013-01-03 | 2013-01-03 | 21.4 | 60 |
| K08S07P | 177 | 0 | 2008-11-05 | 2008-11-05 | N/A | 59 |
| K09M01L | 177 | 0 | 2009-10-11 | 2009-10-11 | 21.3 | 59 |
| K01SS6G | 176 | 0 | 2020-10-08 | 2020-10-08 | 19.1 | 44 |
| K12Q50E | 174 | 0 | 2012-09-15 | 2012-09-15 | 19.8 | 58 |
| G2679 | 170 | 0 | 2008-10-25 | 2008-10-25 | 20.6 | 85 |
| K09A16D | 168 | 0 | 2009-01-16 | 2009-01-16 | 18.9 | 42 |
| K09DB1O | 168 | 0 | 2009-03-16 | 2009-03-18 | 21.8 | 28 |
| K10P66R | 168 | 0 | 2010-08-20 | 2010-08-20 | 16.2 | 56 |
| J9801 | 165 | 0 | 2008-11-14 | 2008-11-19 | 19.7 | 33 |
| n7176 | 165 | 0 | 2017-10-24 | 2017-10-24 | 21.4 | 55 |
| K14SX9R | 162 | 0 | 2017-07-30 | 2017-07-30 | N/A | 54 |
| K17F90J | 162 | 0 | 2017-10-02 | 2017-10-02 | 21.8 | 54 |
| K20S01T | 159 | 0 | 2020-11-20 | 2020-11-20 | 16.9 | 53 |
| CK13V020 | 156 | 0 | 2013-12-07 | 2013-12-07 | 18.6 | 52 |
| K15Y01R | 156 | 0 | 2018-01-21 | 2018-01-21 | N/A | 52 |
| K08O01X | 155 | 0 | 2008-07-29 | 2008-07-31 | 18.7 | 31 |
| CK15E61R | 150 | 0 | 2017-11-14 | 2017-12-22 | 15.5 | 25 |
| K15TE5H | 150 | 0 | 2021-03-20 | 2021-03-20 | N/A | 50 |
| K23A00C | 150 | 0 | 2023-02-03 | 2023-02-10 | 22.2 | 25 |
| J97G03L | 144 | 0 | 2021-04-17 | 2021-04-17 | 16.1 | 48 |
| K03U11V | 144 | 0 | 2017-10-24 | 2017-10-24 | 13.9 | 48 |
| K20R06O | 144 | 0 | 2021-01-16 | 2021-01-16 | 21.5 | 48 |
| K00W63L | 141 | 0 | 2012-12-28 | 2012-12-28 | 20.6 | 47 |
| K04T01P | 141 | 0 | 2021-04-17 | 2021-04-17 | 19.4 | 47 |
| K02AC9J | 138 | 0 | 2010-02-13 | 2010-02-13 | N/A | 46 |
| K08W02N | 138 | 0 | 2008-11-26 | 2008-11-26 | 22.0 | 46 |
| K09C00V | 138 | 0 | 2009-02-12 | 2009-02-13 | 19.3 | 23 |
| h1698 | 138 | 0 | 2022-04-06 | 2022-04-06 | 17.6 | 46 |
| K09WA4Z | 135 | 0 | 2009-12-09 | 2009-12-09 | N/A | 45 |
| K16AD0U | 135 | 0 | 2019-07-09 | 2019-07-09 | 21.4 | 45 |
| CK07V53O | 134 | 0 | 2008-11-26 | 2008-11-26 | 16.9 | 67 |
| K12XB2F | 132 | 0 | 2013-01-03 | 2013-01-03 | 20.7 | 44 |
| K16A08U | 132 | 0 | 2018-01-17 | 2018-01-17 | 17.6 | 44 |
| K17V12T | 132 | 0 | 2020-11-20 | 2020-11-20 | 21.6 | 44 |
| j5594 | 132 | 0 | 2018-10-03 | 2018-10-03 | 17.8 | 44 |
| K01T45A | 126 | 0 | 2008-07-11 | 2008-07-11 | 18.2 | 42 |
| CK16M010 | 123 | 0 | 2017-08-02 | 2017-08-02 | 20.1 | 41 |
| K01U16Z | 123 | 0 | 2008-09-29 | 2008-09-29 | 17.8 | 41 |
| CK08J010 | 120 | 0 | 2008-07-12 | 2008-07-12 | 19.2 | 40 |
| K02C11T | 120 | 0 | 2009-03-07 | 2009-03-07 | 18.3 | 40 |
| K17S14G | 117 | 0 | 2021-03-20 | 2021-03-20 | N/A | 39 |
| h9908 | 117 | 0 | 2018-01-21 | 2018-01-21 | 21.7 | 39 |
| o4887 | 117 | 0 | 2017-12-19 | 2017-12-19 | 20.9 | 39 |
| 0033P | 114 | 0 | 2009-02-22 | 2009-02-22 | 19.5 | 38 |
| K08S00E | 112 | 0 | 2008-09-29 | 2008-09-29 | 21.6 | 56 |
| K05JA8T | 111 | 0 | 2020-10-24 | 2020-10-24 | 22.1 | 37 |
| j0293 | 111 | 0 | 2019-07-10 | 2019-07-10 | 18.5 | 37 |
| K13E41P | 108 | 0 | 2018-09-03 | 2018-09-03 | 16.9 | 36 |
| K19J07X | 108 | 0 | 2019-06-15 | 2019-06-15 | 18.9 | 36 |
| m2505 | 108 | 0 | 2020-11-22 | 2020-11-22 | 19.6 | 36 |
| q3788 | 108 | 0 | 2018-10-05 | 2018-10-05 | 22.4 | 36 |
| K09F00D | 105 | 0 | 2009-03-19 | 2009-03-19 | 20.2 | 35 |
| K00AK5D | 102 | 0 | 2008-06-12 | 2008-06-12 | 18.3 | 34 |
| K02N71E | 102 | 0 | 2010-08-20 | 2010-08-20 | N/A | 34 |
| K02V17V | 102 | 0 | 2008-09-26 | 2008-09-26 | 18.7 | 34 |
| K08V14K | 102 | 0 | 2008-11-26 | 2008-11-26 | 19.6 | 34 |
| K09F00A | 99 | 0 | 2009-03-18 | 2009-03-18 | 19.6 | 33 |
| K17R15R | 99 | 0 | 2017-10-15 | 2017-10-15 | 21.9 | 33 |
| K09U02D | 96 | 0 | 2010-03-12 | 2010-03-12 | 23.2 | 32 |
| CK16A010 | 90 | 0 | 2018-02-25 | 2018-02-25 | 18.1 | 30 |
| J0135 | 90 | 0 | 2008-10-06 | 2008-10-06 | 20.4 | 45 |
| K08V04U | 90 | 0 | 2008-11-09 | 2008-11-09 | 21.2 | 30 |
| PK08L020 | 90 | 0 | 2008-07-29 | 2008-07-29 | 17.2 | 30 |
| K17O68P | 87 | 0 | 2017-09-20 | 2017-09-20 | N/A | 29 |
| b6848 | 87 | 0 | 2020-10-24 | 2020-10-24 | 19.1 | 29 |
| K04X03K | 84 | 0 | 2008-11-26 | 2008-11-26 | 22.1 | 28 |
| K21A02L | 81 | 0 | 2021-02-13 | 2021-02-13 | 21.2 | 27 |
| K13X04A | 78 | 0 | 2013-12-29 | 2013-12-29 | 17.6 | 26 |
| K18R00B | 78 | 0 | 2018-09-01 | 2018-09-01 | 19.3 | 26 |
| K19E01Q | 76 | 0 | 2019-07-09 | 2019-07-09 | 17.5 | 38 |
| CK08R030 | 75 | 0 | 2008-11-16 | 2008-11-16 | 17.4 | 25 |
| K23O01Z | 72 | 0 | 2023-08-05 | 2023-08-05 | 17.6 | 24 |
| PK09T020 | 72 | 0 | 2009-10-14 | 2009-10-14 | N/A | 24 |
| 0011P | 69 | 0 | 2020-10-15 | 2020-10-15 | 15.3 | 23 |
| CK08J060 | 69 | 0 | 2008-07-11 | 2008-07-11 | 17.1 | 23 |
| K19O00T | 68 | 0 | 2019-07-24 | 2019-07-24 | 19.7 | 17 |
| l4585 | 66 | 0 | 2022-04-06 | 2022-04-06 | 16.5 | 22 |
| K18S01M | 65 | 0 | 2018-09-19 | 2018-09-19 | N/A | 13 |
| CK09T030 | 60 | 0 | 2009-11-19 | 2009-11-19 | N/A | 20 |
| CK15V62L | 57 | 0 | 2017-08-21 | 2017-08-21 | 16.9 | 19 |
| K01S09K | 57 | 0 | 2008-09-24 | 2008-09-24 | N/A | 19 |
| CK22U020 | 51 | 0 | 2023-02-16 | 2023-02-16 | 14.8 | 17 |
| K21B03S | 51 | 0 | 2021-02-13 | 2021-02-13 | 23.3 | 17 |
| n4999 | 51 | 0 | 2019-06-21 | 2019-06-21 | 21.4 | 17 |
| 0355P | 48 | 0 | 2017-11-15 | 2017-11-19 | 17.3 | 8 |
| K09E02P | 48 | 0 | 2009-03-18 | 2009-03-18 | 22.0 | 16 |
| K20R00C | 48 | 0 | 2020-09-08 | 2020-09-08 | 15.9 | 16 |
| K20U06Q | 42 | 0 | 2020-11-01 | 2020-11-01 | 18.9 | 14 |
| K23C01J | 39 | 0 | 2023-02-10 | 2023-02-10 | 19.7 | 13 |
| 0352P | 27 | 0 | 2017-10-24 | 2017-10-24 | 19.4 | 9 |
| CK18C020 | 24 | 0 | 2018-06-21 | 2018-06-21 | 16.8 | 8 |
| K21E04B | 24 | 0 | 2021-03-12 | 2021-03-12 | N/A | 8 |
| CK21A040 | 21 | 0 | 2021-02-13 | 2021-02-13 | 15.2 | 7 |
| PK17S050 | 21 | 0 | 2017-10-28 | 2017-10-28 | 17.4 | 7 |
| K23G00W | 12 | 0 | 2023-04-11 | 2023-04-11 | 18.5 | 4 |
List of Observers
| Observer Group | Total MPECs |
|---|---|
| Unknown | 205 |
| A.San Segundo | 48 |
| Individual Observer | Total MPECs |
|---|---|
| Unknown | 205 |
| A.San Segundo | 48 |
List of Measurers
| Measurer Group | Total MPECs |
|---|---|
| Unknown | 253 |
| Individual Measurer | Total MPECs |
|---|---|
| Unknown | 253 |
List of Facilities
| Facilities | Count |
|---|---|
| 0.20-m f/10 Schmidt-Cassegrain + CCD | 23 |
| 0.25-m f/10.8 Schmidt-Cassegrain + CCD | 2 |
| 0.25-m f/7 Schmidt-Cassegrain + CCD | 2 |
| 0.30-m f/4 Reflector + CCD | 3 |
| 0.30-m f/4 reflector + CCD | 17 |
| 0.30-m f/4.0 0.30-m f/4 reflector + CCD | 1 |
| Unknown | 205 |