Q58 Siding Spring-LCO Clamshell #1

Where is this observatory?

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 5 0 0 3 0 0 0 0 2 0
2024 8 0 0 2 3 0 0 0 3 0
2023 12 0 0 5 2 0 0 0 4 1
2022 1 0 0 1 0 0 0 0 0 0
2021 1 0 0 0 1 0 0 0 0 0
2020 1 0 0 0 0 0 0 0 1 0
2019 2 0 0 0 1 0 0 0 1 0
2018 1 0 0 1 0 0 0 0 0 0
2017 1 0 0 1 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

Index Name Date/Time Discoverer First-responding Confirmer Object Type Search Archival Image
1 MPEC 2017-T14 OBSERVATIONS AND ORBITS OF COMETS 2017-10-03 16:54:00 Comet CATCH
2 MPEC 2018-Y74 COMET 46P/Wirtanen 2018-12-26 17:43:00 Comet CATCH
3 MPEC 2019-J142 OBSERVATIONS AND ORBITS OF COMETS 2019-05-15 14:22:00 Comet CATCH
4 MPEC 2019-P41 DAILY ORBIT UPDATE (2019 August 6) 2019-08-06 12:04:00
5 MPEC 2020-Q228 2020 QU6 2020-08-30 01:09:00 NEA (18>H>22) CATCH
6 MPEC 2021-V200 DAILY ORBIT UPDATE (2021 November 10) 2021-11-10 12:25:00
7 MPEC 2022-Q139 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-08-27 06:24:00 Comet CATCH
8 MPEC 2023-K136 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-05-25 03:40:00 Comet CATCH
9 MPEC 2023-M14 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-06-17 00:45:00 Comet CATCH
10 MPEC 2023-N01 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-07-01 04:39:00 Comet CATCH
11 MPEC 2023-N43 DAILY ORBIT UPDATE (2023 July 10) 2023-07-10 12:04:00
12 MPEC 2023-N62 DAILY ORBIT UPDATE (2023 July 13) 2023-07-13 12:05:00
13 MPEC 2023-O39 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-07-20 07:10:00 Comet CATCH
14 MPEC 2023-O51 COMET P/2023 M4 (ATLAS) 2023-07-22 02:00:00 ✓ Comet CATCH
15 MPEC 2023-T05 COMET C/2023 S2 (ATLAS) 2023-10-02 19:54:00 Comet CATCH
16 MPEC 2023-X98 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-12-06 08:53:00 Comet CATCH
17 MPEC 2023-X256 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-12-13 04:23:00 Comet CATCH
18 MPEC 2023-Y97 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-12-29 03:14:00 Comet CATCH
19 MPEC 2024-B78 COMET C/2024 A1 (ATLAS) 2024-01-21 08:45:00 Comet CATCH
20 MPEC 2024-E49 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-03-05 06:42:00 Comet CATCH
21 MPEC 2024-G172 DAILY ORBIT UPDATE (2024 April 12) 2024-04-12 12:18:00
22 MPEC 2024-O15 COMET C/2024 L5 (ATLAS) 2024-07-20 03:29:00 Comet CATCH
23 MPEC 2024-O16 COMET C/2024 M1 (ATLAS) 2024-07-20 04:15:00 Comet CATCH
24 MPEC 2024-O58 DAILY ORBIT UPDATE (2024 July 26) 2024-07-26 12:06:00
25 MPEC 2024-P43 DAILY ORBIT UPDATE (2024 August 3) 2024-08-03 12:03:00
26 MPEC 2024-R266 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-09-11 20:19:00 Comet CATCH
27 MPEC 2025-O159 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-07-31 18:52:00 Comet CATCH
28 MPEC 2025-S173 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-09-22 20:03:00 Comet CATCH
29 MPEC 2025-T36 2025 TF 2025-10-02 06:01:00 NEA (H>22) CATCH
30 MPEC 2025-T80 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-10-03 21:21:00 Comet CATCH
31 MPEC 2025-T108 2025 TQ2 2025-10-05 08:09:00 NEA (H>22) CATCH

Objects Observed by This Station (31 total)

Object Observations Discoveries First Obs Last Obs Magnitude MPECs
0029P 5454 0 2017-08-15 2023-12-12 17.1 606
01627 4485 0 2023-07-10 2023-07-10 16.7 1495
01036 4197 0 2023-07-12 2023-07-12 15.3 1399
0046P 3696 0 2018-12-02 2018-12-09 10.5 88
0210P 2700 0 2025-10-02 2025-10-02 12.5 45
K12F62N 1420 0 2024-07-10 2024-07-10 17.3 142
0240P 747 0 2017-08-31 2025-07-19 14.5 83
0081P 669 0 2023-06-26 2023-06-26 21.1 223
CK24A010 616 0 2024-01-04 2024-01-18 16.8 44
CK21S030 381 0 2023-12-26 2023-12-26 18.2 127
CK20K010 378 0 2023-07-10 2023-07-10 18.6 126
0126P 366 0 2023-06-11 2023-07-14 16.0 61
39796 347 0 2024-07-21 2024-07-21 17.2 347
CK14UR1N 312 0 2024-09-06 2024-09-06 15.7 104
CK21T040 246 0 2023-05-22 2023-05-22 22.0 82
K06Q23Q 200 0 2019-08-05 2019-08-05 18.6 20
K19X00S 190 0 2021-11-09 2021-11-09 22.1 38
0013P 171 0 2023-12-05 2023-12-05 17.4 57
K20Q06U 159 0 2020-08-28 2020-08-28 22.1 53
CK22J05K 123 0 2023-07-13 2023-07-13 22.0 41
CK23S030 90 0 2023-12-02 2024-03-03 13.8 15
CK24M010 90 0 2024-07-10 2024-07-10 17.8 30
PK23M040 88 0 2023-06-21 2023-06-21 19.3 22
0003I 81 0 2025-09-17 2025-09-17 11.4 27
CK24L050 81 0 2024-07-06 2024-07-06 19.8 27
0471P 66 0 2023-12-02 2023-12-02 19.2 22
K25T02Q 40 0 2025-10-02 2025-10-02 16.4 1
CK22P010 29 0 2022-08-21 2022-08-21 16.1 29
CK23S020 22 0 2023-09-30 2023-09-30 13.8 11
K24G02J 20 0 2024-04-11 2024-04-11 16.1 4
K25T00F 20 0 2025-10-01 2025-10-01 23.0 1

List of Observers

Observer Group Total MPECs
A.Hale 15
Unknown 7
F.Ocana, L.Conversi, M.Devogele, M.Micheli, T.Santana-Ros 2
A.Debackere 1
E.Rojo, J.M.Perez 1
A.Hale, E.Rojo, J.M.Perez 1
A.Debackere, G.James, H.Usher 1
J.M.Perez-Redondo 1
P.-J.Dekelver, W.Cuppens 1
L.Conversi, M.Micheli, T.Santana-Ros 1
Individual Observer Total MPECs
A.Hale 16
Unknown 7
L.Conversi 3
M.Micheli 3
T.Santana-Ros 3
A.Debackere 2
E.Rojo 2
J.M.Perez 2
F.Ocana 2
M.Devogele 2
G.James 1
H.Usher 1
J.M.Perez-Redondo 1
P.-J.Dekelver 1
W.Cuppens 1

List of Measurers

Measurer Group Total MPECs
Unknown 25
M.Micheli 2
A.Debackere 1
A.Hale, E.Rojo 1
F.Ocana, M.Micheli 1
P.-J.Dekelver 1
Individual Measurer Total MPECs
Unknown 25
M.Micheli 3
A.Debackere 1
A.Hale 1
E.Rojo 1
F.Ocana 1
P.-J.Dekelver 1

List of Facilities

Facilities Count
0.35-m f/3 Cassegrain + CCD 11
0.35-m f/3 reflector + CMO 2
0.36-m f/2.2 reflector + CCD 2
0.36-m f/2.2 reflector + CCD, 0.4-m f/10 Schmidt-Cassegrain + CCD 1
0.4-m Cassegrain + CCD 2
0.4-m f/10 Schmidt- Cassegrain + CCD 3
0.4-m f/8 Schmidt-Cassegrain + CCD 1
0.4-m reflector + CCD 1
0.40-m f/10 Schmidt- Cassegrain + CCD 1
Unknown 7