V21 Cewanee Observatory at DSNM
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | 58 | 0 | 0 | 14 | 9 | 0 | 0 | 0 | 34 | 1 |
| 2024 | 122 | 0 | 0 | 30 | 25 | 0 | 0 | 0 | 65 | 2 |
| 2023 | 62 | 0 | 0 | 33 | 7 | 0 | 0 | 0 | 21 | 1 |
| 2022 | 63 | 0 | 0 | 18 | 12 | 0 | 0 | 0 | 32 | 1 |
| 2021 | 16 | 0 | 0 | 2 | 5 | 0 | 0 | 0 | 8 | 1 |
| 2020 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2019 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2018 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2017 | 0 | 0 | 0 | 0 | 0 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2012 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2011 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2010 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2009 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2008 | 0 | 0 | 0 | 0 | 0 | 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 (240 total)
| Object | Observations | Discoveries | First Obs | Last Obs | Magnitude | MPECs |
|---|---|---|---|---|---|---|
| 0029P | 276028 | 0 | 2021-11-12 | 2025-04-24 | 16.4 | 604 |
| CK23A030 | 12556 | 0 | 2023-02-27 | 2024-11-21 | 18.4 | 86 |
| 0012P | 11060 | 0 | 2023-07-25 | 2024-03-01 | 18.7 | 79 |
| CK22E030 | 6450 | 0 | 2022-03-24 | 2023-03-02 | 11.7 | 75 |
| CK21S030 | 5125 | 0 | 2024-03-07 | 2024-09-29 | 21.0 | 125 |
| 04660 | 5054 | 0 | 2021-11-28 | 2021-12-12 | 16.7 | 266 |
| 0103P | 4655 | 0 | 2023-08-28 | 2023-11-26 | 21.6 | 133 |
| 07341 | 2828 | 0 | 2021-11-28 | 2021-11-28 | 15.8 | 404 |
| CK20V020 | 2430 | 0 | 2022-03-25 | 2022-04-02 | 18.8 | 135 |
| 0022P | 2353 | 0 | 2022-08-30 | 2022-09-27 | 22.6 | 181 |
| CK19T040 | 2144 | 0 | 2024-07-14 | 2024-09-03 | 19.3 | 134 |
| CK23E010 | 1764 | 0 | 2023-03-14 | 2023-09-06 | 15.7 | 36 |
| 0144P | 1672 | 0 | 2023-12-14 | 2024-01-06 | 18.8 | 88 |
| 0062P | 1620 | 0 | 2024-01-05 | 2024-04-07 | 17.2 | 81 |
| CK21X010 | 1480 | 0 | 2021-12-03 | 2024-06-17 | N/A | 74 |
| K15R35N | 1320 | 0 | 2022-12-19 | 2022-12-25 | 14.4 | 60 |
| 0067P | 1295 | 0 | 2021-11-12 | 2022-02-25 | N/A | 185 |
| 03361 | 1284 | 0 | 2021-10-15 | 2021-10-16 | 16.0 | 214 |
| CK19L030 | 1280 | 0 | 2021-11-12 | 2022-04-02 | 19.0 | 128 |
| CK22E020 | 1100 | 0 | 2024-01-06 | 2025-09-25 | 15.1 | 100 |
| 0044P | 1050 | 0 | 2022-12-11 | 2022-12-27 | 20.0 | 105 |
| K23X02J | 1008 | 0 | 2023-12-06 | 2023-12-10 | 19.3 | 36 |
| CK23R03N | 952 | 0 | 2023-09-06 | 2023-12-15 | 19.7 | 17 |
| D8852 | 900 | 0 | 2021-11-30 | 2021-11-30 | 21.1 | 225 |
| K11Y10Q | 888 | 0 | 2021-10-15 | 2021-10-16 | 17.4 | 148 |
| K25S27K | 882 | 0 | 2025-10-01 | 2025-10-01 | 20.9 | 6 |
| CK23R010 | 812 | 0 | 2024-08-15 | 2024-10-10 | 16.7 | 58 |
| CK22N020 | 756 | 0 | 2024-08-06 | 2024-10-28 | 15.0 | 63 |
| 0003I | 725 | 0 | 2025-07-24 | 2025-07-27 | 12.7 | 25 |
| 0061P | 720 | 0 | 2022-06-06 | 2022-12-26 | 16.3 | 90 |
| K25T08O | 600 | 0 | 2025-10-15 | 2025-10-16 | 19.9 | 6 |
| 0219P | 588 | 0 | 2023-05-29 | 2023-05-30 | 20.4 | 84 |
| CK23X010 | 583 | 0 | 2023-12-05 | 2023-12-15 | 19.5 | 11 |
| K24E02O | 518 | 0 | 2024-04-18 | 2024-04-18 | 16.0 | 37 |
| i2742 | 477 | 0 | 2021-11-29 | 2021-11-30 | 20.9 | 159 |
| K24O00N | 455 | 0 | 2024-09-08 | 2024-09-08 | 19.8 | 91 |
| 0073P | 444 | 0 | 2022-12-10 | 2022-12-11 | 24.1 | 74 |
| CK23S030 | 405 | 0 | 2023-10-17 | 2023-10-23 | 13.8 | 15 |
| K25S27Z | 360 | 0 | 2025-09-30 | 2025-09-30 | 18.0 | 2 |
| K16Y08R | 357 | 0 | 2024-08-11 | 2024-08-15 | N/A | 51 |
| CK21Y010 | 330 | 0 | 2022-01-06 | 2022-01-06 | 14.9 | 55 |
| K24U03Y | 315 | 0 | 2024-10-26 | 2024-11-12 | 19.7 | 35 |
| 0108P | 306 | 0 | 2022-01-04 | 2022-01-04 | 17.9 | 51 |
| K24T13X | 300 | 0 | 2024-10-25 | 2024-11-02 | 14.7 | 20 |
| CK21A010 | 286 | 0 | 2021-11-14 | 2021-12-19 | 18.2 | 26 |
| CK25Q030 | 280 | 0 | 2025-09-11 | 2025-10-15 | 18.4 | 1 |
| CK23Q010 | 264 | 0 | 2025-01-02 | 2025-01-31 | 19.1 | 44 |
| p6396 | 256 | 0 | 2021-11-28 | 2021-11-29 | 18.0 | 32 |
| K25T08N | 240 | 0 | 2025-10-16 | 2025-10-16 | 21.6 | 6 |
| K22U22C | 238 | 0 | 2022-11-07 | 2022-11-11 | 23.0 | 17 |
| K23W02Y | 234 | 0 | 2023-11-23 | 2023-11-24 | 19.9 | 18 |
| K23V00F | 221 | 0 | 2023-11-04 | 2023-11-07 | 19.7 | 13 |
| K14M26R | 220 | 0 | 2022-04-02 | 2022-04-04 | 21.0 | 20 |
| CK22W020 | 216 | 0 | 2022-11-29 | 2023-01-08 | 21.5 | 12 |
| K24S04W | 215 | 0 | 2024-09-30 | 2024-09-30 | 19.8 | 43 |
| CK23T22D | 210 | 0 | 2024-08-30 | 2024-09-08 | 20.8 | 14 |
| K22R05B | 200 | 0 | 2022-10-12 | 2022-10-12 | 19.5 | 40 |
| 0157P | 192 | 0 | 2022-09-26 | 2022-09-26 | 17.3 | 96 |
| CK22Q020 | 189 | 0 | 2022-09-05 | 2022-09-06 | 19.5 | 27 |
| CK24E010 | 180 | 0 | 2025-08-03 | 2025-08-04 | 14.7 | 45 |
| 0402P | 174 | 0 | 2022-12-11 | 2022-12-11 | 21.3 | 58 |
| K24R02X | 174 | 0 | 2024-09-05 | 2024-09-05 | 22.1 | 29 |
| 0013P | 171 | 0 | 2024-07-04 | 2024-07-05 | 17.4 | 57 |
| 0190P | 164 | 0 | 2024-09-07 | 2024-09-07 | 19.9 | 41 |
| CK22W030 | 160 | 0 | 2022-12-15 | 2022-12-26 | 16.8 | 32 |
| CK22Q78E | 154 | 0 | 2022-09-07 | 2022-09-07 | 17.6 | 77 |
| CK22R020 | 154 | 0 | 2022-09-15 | 2022-09-18 | 17.9 | 11 |
| K24A02A | 154 | 0 | 2024-01-09 | 2024-01-09 | 21.9 | 22 |
| K25E02D | 150 | 0 | 2025-03-05 | 2025-03-05 | 18.7 | 30 |
| CK21S040 | 148 | 0 | 2023-12-05 | 2023-12-05 | 19.0 | 74 |
| K21L24Q | 146 | 0 | 2021-10-15 | 2021-10-15 | 17.3 | 73 |
| 0097P | 145 | 0 | 2021-12-03 | 2021-12-08 | 18.2 | 29 |
| CK23T020 | 144 | 0 | 2023-10-18 | 2023-10-19 | 19.4 | 18 |
| K25B00G | 144 | 0 | 2025-01-19 | 2025-01-19 | 18.6 | 36 |
| K22Y03M | 143 | 0 | 2022-12-23 | 2022-12-23 | N/A | 13 |
| PK24R030 | 140 | 0 | 2024-09-09 | 2024-09-14 | 21.7 | 7 |
| K24S05F | 138 | 0 | 2024-09-30 | 2024-09-30 | 20.9 | 23 |
| K22U03E | 136 | 0 | 2022-10-20 | 2022-10-20 | 23.8 | 17 |
| CK24S010 | 135 | 0 | 2024-09-29 | 2024-10-03 | 16.1 | 9 |
| CK24L050 | 130 | 0 | 2024-07-08 | 2024-07-08 | 16.2 | 26 |
| CK22U020 | 120 | 0 | 2022-10-26 | 2022-10-27 | 14.8 | 24 |
| K25F10O | 120 | 0 | 2025-03-25 | 2025-03-25 | 18.7 | 24 |
| K25U00B | 120 | 0 | 2025-10-17 | 2025-10-17 | 19.1 | 6 |
| PK24T010 | 120 | 0 | 2024-10-03 | 2024-11-02 | 19.8 | 10 |
| 0487P | 114 | 0 | 2024-09-29 | 2024-09-29 | 18.2 | 19 |
| K24U07B | 108 | 0 | 2024-10-27 | 2024-11-01 | 23.9 | 12 |
| PK24Q010 | 105 | 0 | 2024-08-30 | 2024-09-28 | 18.9 | 7 |
| CK23P010 | 104 | 0 | 2023-08-17 | 2023-08-17 | 20.3 | 26 |
| K24U04M | 96 | 0 | 2024-10-26 | 2024-10-26 | 19.0 | 16 |
| K22A02C | 95 | 0 | 2022-01-07 | 2022-01-07 | 22.6 | 19 |
| K18A00H | 92 | 0 | 2022-01-05 | 2022-01-05 | N/A | 23 |
| K25Q03P | 92 | 0 | 2025-08-24 | 2025-08-24 | N/A | 23 |
| CK22A010 | 91 | 0 | 2022-01-04 | 2022-01-07 | N/A | 7 |
| AK21X010 | 88 | 0 | 2021-12-03 | 2021-12-04 | 17.4 | 11 |
| K24T22D | 84 | 0 | 2024-10-31 | 2024-10-31 | 18.4 | 12 |
| K24U00L | 84 | 0 | 2024-10-22 | 2024-10-22 | 20.3 | 14 |
| K25D02F | 84 | 0 | 2025-02-21 | 2025-02-22 | 21.3 | 14 |
| K22L01X | 82 | 0 | 2022-06-07 | 2022-06-07 | 20.9 | 41 |
| CK22V020 | 81 | 0 | 2023-04-16 | 2023-04-16 | 17.1 | 27 |
| 0229P | 80 | 0 | 2024-08-12 | 2024-08-12 | 21.4 | 20 |
| PK24S020 | 80 | 0 | 2024-10-01 | 2024-10-10 | 18.9 | 4 |
| K22U05O | 75 | 0 | 2022-10-21 | 2022-10-21 | N/A | 15 |
| K22K03A | 72 | 0 | 2022-05-26 | 2022-05-26 | 19.3 | 24 |
| K22R04Z | 72 | 0 | 2022-09-16 | 2022-09-16 | 19.0 | 18 |
| K24U02F | 72 | 0 | 2024-10-25 | 2024-10-30 | 18.9 | 6 |
| PK25C010 | 72 | 0 | 2025-02-03 | 2025-02-03 | 19.1 | 12 |
| K24U00U | 70 | 0 | 2024-10-23 | 2024-10-23 | 22.6 | 14 |
| K22K02D | 66 | 0 | 2022-05-25 | 2022-05-25 | 18.4 | 11 |
| K22Y02Z | 66 | 0 | 2022-12-22 | 2022-12-22 | 19.7 | 22 |
| K23B04N | 66 | 0 | 2023-01-27 | 2023-01-27 | 21.4 | 11 |
| K23K03T | 66 | 0 | 2023-05-28 | 2023-05-28 | 17.5 | 11 |
| K24E00C | 65 | 0 | 2024-03-02 | 2024-03-02 | 20.0 | 13 |
| K24S04T | 65 | 0 | 2024-09-28 | 2024-09-28 | 20.5 | 13 |
| K21Y00A | 63 | 0 | 2021-12-16 | 2021-12-16 | 18.3 | 7 |
| K24U00M | 63 | 0 | 2024-10-22 | 2024-10-22 | 19.6 | 9 |
| K24G00L | 60 | 0 | 2024-04-04 | 2024-04-04 | N/A | 6 |
| K24L04G | 60 | 0 | 2024-06-12 | 2024-06-12 | 20.6 | 12 |
| K24U05P | 60 | 0 | 2024-10-27 | 2024-10-27 | 22.6 | 10 |
| K24U09X | 60 | 0 | 2024-10-31 | 2024-10-31 | 20.3 | 10 |
| K25Q03X | 60 | 0 | 2025-08-24 | 2025-08-24 | 21.4 | 10 |
| K22A00G | 57 | 0 | 2022-01-04 | 2022-01-04 | N/A | 19 |
| K22K00S | 56 | 0 | 2022-05-23 | 2022-05-23 | N/A | 8 |
| K24S06Y | 56 | 0 | 2024-10-01 | 2024-10-01 | 20.4 | 7 |
| K25A00N | 56 | 0 | 2025-01-03 | 2025-01-03 | 20.1 | 7 |
| K24W15L | 54 | 0 | 2024-12-01 | 2024-12-01 | 18.3 | 9 |
| PK23B010 | 54 | 0 | 2023-01-25 | 2023-01-25 | 20.2 | 18 |
| K24V02M | 52 | 0 | 2024-11-10 | 2024-11-10 | N/A | 13 |
| K22U16M | 50 | 0 | 2022-10-29 | 2022-10-30 | 18.3 | 10 |
| K24W01C | 50 | 0 | 2024-11-22 | 2024-11-22 | 20.1 | 10 |
| CK24V010 | 48 | 0 | 2024-11-10 | 2024-11-10 | 19.7 | 16 |
| K22E03C | 48 | 0 | 2022-03-08 | 2022-03-08 | 16.8 | 8 |
| K23F04E | 48 | 0 | 2023-03-26 | 2023-03-26 | 19.4 | 12 |
| K24T01K | 48 | 0 | 2024-10-03 | 2024-10-03 | 20.5 | 8 |
| K24V02Q | 48 | 0 | 2024-11-10 | 2024-11-10 | 21.5 | 8 |
| K25E01R | 45 | 0 | 2025-03-05 | 2025-03-05 | 21.2 | 9 |
| PK22V010 | 45 | 0 | 2022-11-05 | 2022-11-05 | N/A | 9 |
| K22G01C | 42 | 0 | 2022-04-03 | 2022-04-03 | N/A | 14 |
| K24T08V | 42 | 0 | 2024-10-10 | 2024-10-10 | N/A | 7 |
| K25R02L | 42 | 0 | 2025-09-15 | 2025-09-15 | 14.3 | 14 |
| K22U13D | 40 | 0 | 2022-10-28 | 2022-10-28 | 16.1 | 8 |
| K22Y02P | 40 | 0 | 2022-12-21 | 2022-12-21 | N/A | 8 |
| K24X02P | 40 | 0 | 2024-12-03 | 2024-12-04 | 18.7 | 5 |
| K25B03E | 40 | 0 | 2025-01-23 | 2025-01-23 | 21.9 | 10 |
| CK25L020 | 39 | 0 | 2025-06-07 | 2025-06-07 | 18.3 | 13 |
| CK25K010 | 36 | 0 | 2025-05-26 | 2025-05-26 | 14.8 | 12 |
| K22U10W | 36 | 0 | 2022-10-26 | 2022-10-26 | 16.7 | 9 |
| K24R12Q | 36 | 0 | 2024-09-11 | 2024-09-11 | 20.3 | 6 |
| K24V00Q | 36 | 0 | 2024-11-02 | 2024-11-03 | 20.3 | 6 |
| K24V03V | 36 | 0 | 2024-11-12 | 2024-11-12 | 22.0 | 9 |
| K25C13E | 36 | 0 | 2025-02-23 | 2025-02-23 | 19.0 | 12 |
| PK25D040 | 36 | 0 | 2025-02-25 | 2025-02-25 | 19.2 | 12 |
| K21X03M | 35 | 0 | 2021-12-07 | 2021-12-07 | 19.9 | 7 |
| K21X05W | 35 | 0 | 2021-12-12 | 2021-12-12 | 24.8 | 5 |
| K24W18C | 35 | 0 | 2024-12-02 | 2024-12-02 | 17.5 | 5 |
| K25H01Q | 35 | 0 | 2025-04-23 | 2025-04-23 | 21.3 | 7 |
| K24R50V | 33 | 0 | 2024-09-27 | 2024-09-27 | 18.1 | 11 |
| K25D02G | 33 | 0 | 2025-02-22 | 2025-02-22 | 21.7 | 11 |
| K24R00Y | 32 | 0 | 2024-09-03 | 2024-09-03 | 19.7 | 8 |
| K24T13K | 32 | 0 | 2024-10-12 | 2024-10-12 | 22.8 | 4 |
| K24V02R | 32 | 0 | 2024-11-10 | 2024-11-10 | 22.1 | 8 |
| K24R10G | 30 | 0 | 2024-09-09 | 2024-09-09 | 22.1 | 6 |
| K24V02C | 30 | 0 | 2024-11-09 | 2024-11-09 | 19.4 | 6 |
| K25A00B | 30 | 0 | 2025-01-02 | 2025-01-02 | 16.3 | 6 |
| K25D06Q | 30 | 0 | 2025-02-25 | 2025-02-25 | 19.3 | 5 |
| 0440P | 28 | 0 | 2022-01-29 | 2022-01-29 | 18.4 | 14 |
| K21X01E | 28 | 0 | 2021-12-03 | 2021-12-03 | 20.3 | 4 |
| K24T17P | 28 | 0 | 2024-10-13 | 2024-10-13 | 21.3 | 7 |
| K24U03L | 28 | 0 | 2024-10-24 | 2024-10-26 | 22.2 | 4 |
| K24U11B | 28 | 0 | 2024-10-31 | 2024-10-31 | 22.7 | 4 |
| K24X00C | 28 | 0 | 2024-12-02 | 2024-12-02 | 22.0 | 7 |
| K25U05V | 28 | 0 | 2025-10-25 | 2025-10-25 | 17.9 | 4 |
| K24T00U | 27 | 0 | 2024-10-02 | 2024-10-02 | 19.1 | 9 |
| K22D01P | 26 | 0 | 2022-02-26 | 2022-02-26 | 18.2 | 13 |
| K21X02O | 25 | 0 | 2021-12-05 | 2021-12-05 | N/A | 5 |
| K22R02V | 25 | 0 | 2022-09-06 | 2022-09-06 | 20.5 | 5 |
| K24E04U | 25 | 0 | 2024-03-17 | 2024-03-17 | 19.2 | 5 |
| K24F00D | 25 | 0 | 2024-03-18 | 2024-03-18 | 19.9 | 5 |
| CK23F010 | 24 | 0 | 2023-04-16 | 2023-04-16 | 19.3 | 6 |
| K22C06O | 24 | 0 | 2022-02-11 | 2022-02-11 | 13.9 | 6 |
| K22F00F | 24 | 0 | 2022-03-23 | 2022-03-23 | N/A | 8 |
| K23E00Y | 24 | 0 | 2023-03-14 | 2023-03-14 | 18.0 | 8 |
| K24L05Q | 24 | 0 | 2024-06-15 | 2024-06-16 | 20.6 | 4 |
| K24V00D | 24 | 0 | 2024-11-01 | 2024-11-01 | 21.3 | 4 |
| K24V00E | 24 | 0 | 2024-11-02 | 2024-11-02 | 17.8 | 6 |
| K24V03M | 24 | 0 | 2024-11-19 | 2024-11-19 | 20.9 | 6 |
| K24W22A | 24 | 0 | 2024-12-04 | 2024-12-04 | 19.9 | 4 |
| K25K03X | 24 | 0 | 2025-05-26 | 2025-05-26 | 18.2 | 4 |
| AK25A070 | 21 | 0 | 2025-02-01 | 2025-02-01 | 19.5 | 7 |
| K22U12L | 21 | 0 | 2022-10-27 | 2022-10-27 | 19.1 | 7 |
| K24U04L | 21 | 0 | 2024-10-25 | 2024-10-25 | 21.0 | 7 |
| K25S15J | 21 | 0 | 2025-09-27 | 2025-09-28 | 20.1 | 7 |
| PK15C60D | 21 | 0 | 2024-12-09 | 2024-12-09 | N/A | 7 |
| K22A00Z | 20 | 0 | 2022-01-06 | 2022-01-06 | 18.4 | 5 |
| K24U09H | 20 | 0 | 2024-10-30 | 2024-10-30 | 20.7 | 5 |
| K25F07Y | 20 | 0 | 2025-03-26 | 2025-03-26 | 19.1 | 5 |
| K25S15N | 20 | 0 | 2025-09-28 | 2025-09-28 | 21.1 | 4 |
| CK24U010 | 18 | 0 | 2024-11-05 | 2024-11-05 | 20.5 | 9 |
| K22Y03L | 18 | 0 | 2022-12-24 | 2022-12-24 | 21.3 | 6 |
| K24V02B | 18 | 0 | 2024-11-09 | 2024-11-09 | 19.0 | 3 |
| K25S22J | 18 | 0 | 2025-09-29 | 2025-09-30 | 19.6 | 6 |
| K25U05D | 18 | 0 | 2025-10-24 | 2025-10-24 | 17.6 | 3 |
| PK24R020 | 18 | 0 | 2024-09-05 | 2024-09-07 | N/A | 3 |
| CK22Y010 | 16 | 0 | 2023-01-10 | 2023-01-10 | 19.5 | 8 |
| K21X04C | 16 | 0 | 2021-12-08 | 2021-12-08 | 21.4 | 4 |
| K24A02B | 16 | 0 | 2024-01-09 | 2024-01-09 | 20.4 | 4 |
| K24V03B | 16 | 0 | 2024-11-10 | 2024-11-10 | 20.7 | 4 |
| K24Y13G | 16 | 0 | 2025-01-01 | 2025-01-02 | 17.2 | 4 |
| CK22S050 | 15 | 0 | 2022-10-04 | 2022-10-04 | 19.6 | 5 |
| K24C05M | 15 | 0 | 2024-02-14 | 2024-02-14 | N/A | 3 |
| K24V00P | 15 | 0 | 2024-11-02 | 2024-11-02 | 20.5 | 5 |
| K24V02H | 15 | 0 | 2024-11-09 | 2024-11-09 | 21.0 | 3 |
| K24X00L | 15 | 0 | 2024-12-02 | 2024-12-02 | 21.4 | 5 |
| K24X00X | 15 | 0 | 2024-12-03 | 2024-12-03 | 21.1 | 3 |
| K25A02A | 15 | 0 | 2025-01-06 | 2025-01-06 | 21.0 | 3 |
| K25U05J | 15 | 0 | 2025-10-24 | 2025-10-24 | 18.3 | 3 |
| K24X01C | 14 | 0 | 2024-12-03 | 2024-12-03 | 19.7 | 2 |
| K24X02L | 14 | 0 | 2024-12-03 | 2024-12-04 | 19.8 | 2 |
| K22E04O | 12 | 0 | 2022-03-10 | 2022-03-10 | 17.2 | 4 |
| K24X02K | 12 | 0 | 2024-12-03 | 2024-12-03 | 21.1 | 2 |
| K25C00M | 12 | 0 | 2025-02-03 | 2025-02-03 | 16.7 | 3 |
| K25G00R | 12 | 0 | 2025-04-04 | 2025-04-04 | N/A | 4 |
| PK23Y030 | 12 | 0 | 2024-01-06 | 2024-01-07 | 18.5 | 2 |
| K23R03N | 9 | 0 | 2023-09-06 | 2023-09-09 | 17.9 | 1 |
| K24T00E | 9 | 0 | 2024-10-01 | 2024-10-01 | 19.2 | 3 |
| K25A01X | 9 | 0 | 2025-01-06 | 2025-01-06 | 17.9 | 3 |
| K25U06X | 9 | 0 | 2025-10-26 | 2025-10-27 | 18.9 | 1 |
| K21X05B | 8 | 0 | 2021-12-09 | 2021-12-09 | 21.3 | 4 |
| K22C07G | 8 | 0 | 2022-02-13 | 2022-02-13 | 20.7 | 2 |
| K22W00F | 8 | 0 | 2022-11-17 | 2022-11-17 | 21.0 | 4 |
| K24J03N | 8 | 0 | 2024-05-07 | 2024-05-07 | 17.1 | 4 |
| K24V03J | 8 | 0 | 2024-11-11 | 2024-11-12 | 21.5 | 4 |
| K24W01P | 8 | 0 | 2024-11-23 | 2024-11-23 | 15.8 | 4 |
| K24W02K | 8 | 0 | 2024-11-23 | 2024-11-23 | 20.0 | 2 |
| K24W02Q | 8 | 0 | 2024-11-24 | 2024-11-24 | 17.5 | 2 |
| K24V01L | 6 | 0 | 2024-11-04 | 2024-11-04 | N/A | 2 |
| PK23W010 | 5 | 0 | 2023-12-09 | 2023-12-09 | 18.5 | 1 |
| CK24V020 | 4 | 0 | 2024-11-10 | 2024-11-10 | 20.5 | 2 |
| K24W02T | 4 | 0 | 2024-11-24 | 2024-11-24 | 20.1 | 2 |
| K24X06F | 4 | 0 | 2024-12-06 | 2024-12-06 | 20.8 | 2 |
| K22Q78E | 2 | 0 | 2022-09-07 | 2022-09-07 | 19.5 | 1 |
List of Observers
| Observer Group | Total MPECs |
|---|---|
| D.T.Durig | 209 |
| Unknown | 59 |
| D.T.Durig, H.H.Rice | 3 |
| A.E.Cuevas, D.T.Durig | 2 |
| C.H.Teel, C.L.Belser, D.M.Becks, D.T.Durig, L.M.Ferguson, P.L.C.Haight, R.A.Scarbrough, R.O.Scott, S.K.White | 2 |
| A.E.Cuevas, C.E.Millirons, D.T.Durig, K.R.Dakwala, M.C.Rice | 1 |
| B.R.Burnette, D.T.Durig, K.A.Miller, M.G.Williams | 1 |
| B.W.D.Timms, D.T.Durig, G.W.Haigney | 1 |
| B.W.D.Timms, B.W.Hamilton, C.A.Condon, D.T.Durig, E.G.Hendrickson, J.G.Hemingway, J.Zhang, M.L.Neuhoff, R.E.Jordan, R.J.Goff, W.B.Barton | 1 |
| A.J.Tillman, C.A.Condon, C.I.Andrade, D.T.Durig, E.E.Purdy, J.P.Miles, J.Zhang | 1 |
| A.K.Hoffman, B.L.Copp, C.C.Walker, D.T.Durig, E.R.Baker, F.J.Millican, K.A.Miller, L.K.Tyrrell, M.G.Williams, O.G.Falvey, W.R.Burnette | 1 |
| C.E.Millirons, D.T.Durig | 1 |
| C.F.Erickson, C.R.Fox, D.T.Durig, H.B.Nash, M.A.Johnson | 1 |
| D.T.Durig, E.D.Farrell, G.C.Cosby, R.E.Jordan, S.O.McConnell | 1 |
| C.G.Hanson, D.T.Durig, G.L.Dickey, J.M.DuPree, N.R.Sauer, T.M.Janney | 1 |
| B.W.Hamilton, C.B.Edwards, D.T.Durig, E.Becker, G.G.Mahaffey, G.W.Haigney, H.S.Hines, J.G.Hemingway | 1 |
| A.S.Towns, C.B.Hipp, C.E.Millirons, C.F.Erickson, D.T.Durig, H.B.Nash, M.A.Johnson, N.P.Clate, R.Persons, S.K.White, S.L.A.Valpas, W.E.Portillo | 1 |
| A.K.Hoffman, C.C.Walker, D.T.Durig, E.R.Baker, F.J.Millican, J.A.Clavijo, L.K.Tyrrell, O.G.Falvey, W.R.Burnette | 1 |
| D.T.Durig, J.E.Bailey | 1 |
| D.T.Durig, J.A.McKinney, J.E.Bailey | 1 |
| D.T.Durig, J.E.Bailey, J.R.McKinney, N.C.Moss, T.T.McCormick | 1 |
| A.K.Hoffman, C.G.Hanson, D.T.Durig, J.M.DuPree, K.A.Miller, L.K.Tyrrell, M.G.Williams, O.G.Falvey, T.M.Janney, W.R.Burnette | 1 |
| B.W.Hamilton, C.B.Edwards, D.T.Durig, E.Becker, E.D.Farrell, G.G.Mahaffey, H.S.Hines, J.G.Hemingway, J.P.Miles, R.E.Jordan, S.O.Mcconnell | 1 |
| D.T.Durig, K.A.Miller | 1 |
| B.R.Burnette, D.T.Durig, K.A.Miller, L.K.Tyrrell, M.G.Williams, W.R.Burnette | 1 |
| B.L.Copp, D.T.Durig, E.R.Baker, K.A.Miller, M.G.Williams, T.M.Janney | 1 |
| A.K.Hoffman, B.L.Copp, C.C.Walker, D.T.Durig, F.J.Millican, L.B.Everette, L.K.Tyrrell, N.R.Sauer | 1 |
| A.K.Hoffman, B.L.Copp, D.T.Durig, G.L.Dickey, J.A.Clavijo, L.K.Tyrrell, M.G.Williams | 1 |
| C.G.Hanson, D.T.Durig, J.A.Clavijo, J.M.DuPree, L.B.Everette, L.K.Tyrrell, M.G.Williams, N.R.Sauer | 1 |
| D.T.Durig, E.C.Chiciudean, J.M.Tarrer, L.M.J.Marco, R.H.Persons, S.L.A.Valpas | 1 |
| C.F.Erickson, C.R.Fox, D.T.Durig, L.C.Waldrep, M.A.Johnson | 1 |
| D.T.Durig, N.P.Clate | 1 |
| A.S.Towns, D.T.Durig, N.P.Clate, W.E.Portillo | 1 |
| D.T.Durig, R.G.McCoy | 1 |
| D.T.Durig, J.Zhang, M.A.Torres, R.G.McCoy | 1 |
| D.T.Durig, R.J.Plummer, W.G.Dupree | 1 |
| C.B.Hipp, D.T.Durig, E.C.Chiciudean, J.M.Tarrer, L.M.J.Marco, R.H.Persons, S.K.White | 1 |
| A.S.Towns, C.E.Millirons, C.H.Hipp, D.T.Durig, I.L.Palmer, L.C.Waldrep, L.L.Jordan, S.K.White, S.S.Whitehead | 1 |
| D.T.Durig, T.T.McCormick | 1 |
| A.J.Miller, A.J.Tillman, C.A.Condon, D.T.Durig, E.I.Swope, G.W.Haigney, P.N.Barrett, T.W.Ramsey, W.H.Mabry, W.R.Cooper | 1 |
| C.R.Fox, D.T.Durig, E.C.Chiciudean, I.L.Palmer, J.M.Tarrer, L.C.Waldrep, L.K.Tyrrell, L.L.Jordan, L.M.J.Marco, S.L.A.Valpas, S.S.Whitehead, W.E.Portillo | 1 |
| D.T.Durig, K.A.Miller, L.K.Tyrrell, M.G.Williams, W.R.Burnette | 1 |
| A.K.Hoffman, B.L.Copp, C.G.Hansen, D.T.Durig, E.R.Baker, L.K.Terrell, O.G.Falvey, T.M.Janney, W.R.Burnette | 1 |
| D.T.Durig, R.G.Sherrill, R.R.Bocklage, T.C.Nelson, W.T.Briggs | 1 |
| A.J.Miller, P.N.Barrett, T.W.Ramsey, W.H.Mabry, W.R.Cooper | 1 |
| Individual Observer | Total MPECs |
|---|---|
| D.T.Durig | 255 |
| Unknown | 59 |
| L.K.Tyrrell | 9 |
| M.G.Williams | 8 |
| K.A.Miller | 7 |
| A.K.Hoffman | 6 |
| W.R.Burnette | 6 |
| B.L.Copp | 5 |
| S.K.White | 5 |
| C.E.Millirons | 4 |
| E.R.Baker | 4 |
| O.G.Falvey | 4 |
| T.M.Janney | 4 |
| A.E.Cuevas | 3 |
| G.W.Haigney | 3 |
| B.W.Hamilton | 3 |
| C.A.Condon | 3 |
| J.G.Hemingway | 3 |
| J.Zhang | 3 |
| R.E.Jordan | 3 |
| C.C.Walker | 3 |
| F.J.Millican | 3 |
| C.F.Erickson | 3 |
| C.R.Fox | 3 |
| M.A.Johnson | 3 |
| C.G.Hanson | 3 |
| J.M.DuPree | 3 |
| N.R.Sauer | 3 |
| A.S.Towns | 3 |
| N.P.Clate | 3 |
| S.L.A.Valpas | 3 |
| W.E.Portillo | 3 |
| H.H.Rice | 3 |
| J.A.Clavijo | 3 |
| J.E.Bailey | 3 |
| E.C.Chiciudean | 3 |
| J.M.Tarrer | 3 |
| L.M.J.Marco | 3 |
| L.C.Waldrep | 3 |
| B.R.Burnette | 2 |
| B.W.D.Timms | 2 |
| A.J.Tillman | 2 |
| J.P.Miles | 2 |
| H.B.Nash | 2 |
| E.D.Farrell | 2 |
| G.L.Dickey | 2 |
| C.B.Edwards | 2 |
| E.Becker | 2 |
| G.G.Mahaffey | 2 |
| H.S.Hines | 2 |
| C.B.Hipp | 2 |
| T.T.McCormick | 2 |
| L.B.Everette | 2 |
| R.H.Persons | 2 |
| R.G.McCoy | 2 |
| I.L.Palmer | 2 |
| L.L.Jordan | 2 |
| S.S.Whitehead | 2 |
| C.H.Teel | 2 |
| C.L.Belser | 2 |
| D.M.Becks | 2 |
| L.M.Ferguson | 2 |
| P.L.C.Haight | 2 |
| R.A.Scarbrough | 2 |
| R.O.Scott | 2 |
| A.J.Miller | 2 |
| P.N.Barrett | 2 |
| T.W.Ramsey | 2 |
| W.H.Mabry | 2 |
| W.R.Cooper | 2 |
| K.R.Dakwala | 1 |
| M.C.Rice | 1 |
| E.G.Hendrickson | 1 |
| M.L.Neuhoff | 1 |
| R.J.Goff | 1 |
| W.B.Barton | 1 |
| C.I.Andrade | 1 |
| E.E.Purdy | 1 |
| G.C.Cosby | 1 |
| S.O.McConnell | 1 |
| R.Persons | 1 |
| J.A.McKinney | 1 |
| J.R.McKinney | 1 |
| N.C.Moss | 1 |
| S.O.Mcconnell | 1 |
| M.A.Torres | 1 |
| R.J.Plummer | 1 |
| W.G.Dupree | 1 |
| C.H.Hipp | 1 |
| E.I.Swope | 1 |
| C.G.Hansen | 1 |
| L.K.Terrell | 1 |
| R.G.Sherrill | 1 |
| R.R.Bocklage | 1 |
| T.C.Nelson | 1 |
| W.T.Briggs | 1 |
List of Measurers
| Measurer Group | Total MPECs |
|---|---|
| Unknown | 307 |
| D.T.Durig | 4 |
| A.J.Elmore, C.H.Teel, C.L.Belser, D.M.Becks, D.T.Durig, L.M.Ferguson, P.L.C.Haight, R.A.Scarbrough, R.O.Scott, S.K.White | 1 |
| D.T.Durig, F.J.Millican, L.B.Everette, N.R.Sauer | 1 |
| D.T.Durig, W.R.Burnette | 1 |
| D.T.Durig, R.G.Sherrill, R.R.Bocklage, T.C.Nelson, W.T.Briggs | 1 |
| Individual Measurer | Total MPECs |
|---|---|
| Unknown | 307 |
| D.T.Durig | 8 |
| A.J.Elmore | 1 |
| C.H.Teel | 1 |
| C.L.Belser | 1 |
| D.M.Becks | 1 |
| L.M.Ferguson | 1 |
| P.L.C.Haight | 1 |
| R.A.Scarbrough | 1 |
| R.O.Scott | 1 |
| S.K.White | 1 |
| F.J.Millican | 1 |
| L.B.Everette | 1 |
| N.R.Sauer | 1 |
| W.R.Burnette | 1 |
| R.G.Sherrill | 1 |
| R.R.Bocklage | 1 |
| T.C.Nelson | 1 |
| W.T.Briggs | 1 |
List of Facilities
| Facilities | Count |
|---|---|
| 0.28 m f/2.2 Astrograph + | 4 |
| 0.28 m f/2.2 Astrograph + 9576 x 6388 CCD | 2 |
| 0.28 m f/2.2 Astrograph + 9576 x 6388 CCD, 0.28 m f/2.2 Astrograph + 9576 x 6388 CMOS | 1 |
| 0.28 m f/2.2 Astrograph + 9576 x 6388 CMOS, 0.40 m f/8 Ritchey-Chretien + 4656x3520 CCD | 1 |
| 0.28 m f/2.2 Astrograph + 9576x6388 | 1 |
| 0.28 m f/2.2 Astrograph + 9576x6388 CCD | 7 |
| 0.28 m f/2.2 Astrograph + 9576x6388 CCD, 0.28 m f/2.2 Astrograph + 9576x6388 CMO | 1 |
| 0.28 m f/2.2 Astrograph + 9576x6388 CCD, 0.28-m f/2.2 RASA + CCD | 2 |
| 0.28 m f/2.2 Astrograph + 9576x6388 CCD, 0.40 m f/8 Ritchey- Chretian + 4656x3520 CCD | 1 |
| 0.28 m f/2.2 Astrograph + 9576x6388 CDD | 1 |
| 0.28 m f/2.2 Astrograph + 9576x6388 CMO | 2 |
| 0.28 m f/2.2 Astrograph + 9576x6388 CMO + CCD, 0.28 m f/2.2 Astrograph + 9576x6388 CMO | 1 |
| 0.28 m f/2.2 Astrograph + 9576x6388 CMO, 0.28 m f/2.2 Astrograph + 9576x6388 CMO + CCD | 1 |
| 0.28 m f/2.2 Astrograph + 9576x6388 CMO, 0.28-m f/2.2 RASA + CCD | 1 |
| 0.28 m f/2.2 Astrograph + 9576x6388 CMOS | 3 |
| 0.28-m f/2.2 RASA + CCD | 45 |
| 0.28-m f/2.2 RASA + CCD, 0.4-m f/8.0 Ritchey-Cretien + CCD | 1 |
| 0.28-m f/2.2 RASA + CCD, 0.4-m f/8.0 Ritchey-Cretien + CCD, 0.40 m f/8 Ritchey Chretien + 4656x3520 CCD | 1 |
| 0.28-m f/2.2 RASA + CMO | 14 |
| 0.28-m f/2.2 RASA + CMO, 0.4-m f/8.0 Ritchey-Chretien + CMO | 1 |
| 0.28-m f/2.2 RASA Astrograph + CCD | 4 |
| 0.28-m f/2.2 RASA Astrograph + CMO | 9 |
| 0.4-m f/8 Ritchey- Chretien + 4656x3520 CCD | 21 |
| 0.4-m f/8 Ritchey-Chretien + 4656x3520 CCD | 2 |
| 0.4-m f/8.0 Ritchey- Chretien + CMO | 2 |
| 0.4-m f/8.0 Ritchey- Cretien + CCD | 3 |
| 0.4-m f/8.0 Ritchey-Cretien + CCD | 1 |
| 0.40 m f/8 Ritchey- Chretian + 4656x3520 CCD | 2 |
| 0.40 m f/8 Ritchey- Chretien + 4656x3520 CCD | 84 |
| 0.40 m f/8 Ritchey- Chretien + 4656x3520 CCD, 0.28 m f/2.2 Astrograph + 9576 x 6388 CCD | 1 |
| 0.40 m f/8 Ritchey- Cretien + 4656x3520 CMOS | 1 |
| 0.40 m f/8 Ritchey-Chretian + 4656x3520 CCD | 2 |
| 0.40 m f/8 Ritchey-Chretian + 4656x3520 CCD, 0.28-m f/2.2 RASA + CCD | 1 |
| 0.40 m f/8 Ritchey-Chretien + 4656x3520 CCD | 16 |
| 0.40-m f/8 Ritchey- Chretien + 4656x3520 CCD | 2 |
| 0.40-m f/8 Ritchey-Chretien + 4656x3520 CCD | 1 |
| 4656x3520 CCD | 5 |
| 9576x6388 CMO, 0.28-m f/2.2 RASA-11 + CCD | 1 |
| Unknown | 66 |