M31 Ursa Havaintokeskus, Artjarvi

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 P/R/FU DOU List Update Retraction Other Follow-Up First Follow-Up
2025 2 0 0 1 1 0 0 0 0 0
2024 18 0 0 9 9 0 0 0 0 0
2023 16 0 0 6 7 0 0 0 3 0
2022 3 0 0 1 2 0 0 0 0 0
2021 0 0 0 0 0 0 0 0 0 0
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

Index Name Date/Time Discoverer First-responding Confirmer Object Type Search Archival Image
1 MPEC 2025-A174 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-01-15 01:16:00 Comet CATCH
2 MPEC 2025-A163 DAILY ORBIT UPDATE (2025 January 11) 2025-01-11 13:18:00
3 MPEC 2024-V117 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-11-10 01:11:00 Comet CATCH
4 MPEC 2024-V104 DAILY ORBIT UPDATE (2024 November 8) 2024-11-08 12:17:00
5 MPEC 2024-U268 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-10-31 19:48:00 Comet CATCH
6 MPEC 2024-U136 DAILY ORBIT UPDATE (2024 October 27) 2024-10-27 12:24:00
7 MPEC 2024-T253 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-10-11 21:38:00 Comet CATCH
8 MPEC 2024-T138 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-10-06 05:57:00 Comet CATCH
9 MPEC 2024-S84 DAILY ORBIT UPDATE (2024 September 26) 2024-09-26 12:15:00
10 MPEC 2024-S35 DAILY ORBIT UPDATE (2024 September 23) 2024-09-23 12:08:00
11 MPEC 2024-R10 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-09-02 02:20:00 Comet CATCH
12 MPEC 2024-Q69 DAILY ORBIT UPDATE (2024 August 29) 2024-08-29 12:01:00
13 MPEC 2024-P100 DAILY ORBIT UPDATE (2024 August 8) 2024-08-08 12:08:00
14 MPEC 2024-M93 DAILY ORBIT UPDATE (2024 June 27) 2024-06-27 12:05:00
15 MPEC 2024-K130 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-05-30 08:00:00 Comet CATCH
16 MPEC 2024-H91 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-04-29 19:47:00 Comet CATCH
17 MPEC 2024-H78 DAILY ORBIT UPDATE (2024 April 27) 2024-04-27 12:07:00
18 MPEC 2024-H50 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-04-21 03:18:00 Comet CATCH
19 MPEC 2024-G193 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-04-13 23:03:00 Comet CATCH
20 MPEC 2024-G02 DAILY ORBIT UPDATE (2024 April 1) 2024-04-01 12:07:00
21 MPEC 2023-Y97 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-12-29 03:14:00 Comet CATCH
22 MPEC 2023-Y93 DAILY ORBIT UPDATE (2023 December 28) 2023-12-28 12:07:00
23 MPEC 2023-W26 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-11-19 01:05:00 Comet CATCH
24 MPEC 2023-V225 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-11-13 04:13:00 Comet CATCH
25 MPEC 2023-V167 DAILY ORBIT UPDATE (2023 November 10) 2023-11-10 12:28:00
26 MPEC 2023-V39 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-11-05 02:09:00 Comet CATCH
27 MPEC 2023-V24 DAILY ORBIT UPDATE (2023 November 4) 2023-11-04 12:05:00
28 MPEC 2023-N17 DAILY ORBIT UPDATE (2023 July 6) 2023-07-06 12:02:00
29 MPEC 2023-N16 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-07-06 07:55:00 Comet CATCH
30 MPEC 2023-N01 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-07-01 04:39:00 Comet CATCH
31 MPEC 2023-M154 DAILY ORBIT UPDATE (2023 June 28) 2023-06-28 12:34:00
32 MPEC 2023-M14 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-06-17 00:45:00 Comet CATCH
33 MPEC 2023-L38 DAILY ORBIT UPDATE (2023 June 9) 2023-06-09 12:08:00
34 MPEC 2023-J29 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-05-04 05:11:00 Comet CATCH
35 MPEC 2023-J11 DAILY ORBIT UPDATE (2023 May 2) 2023-05-02 12:03:00
36 MPEC 2023-G31 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-04-04 20:08:00 Comet CATCH
37 MPEC 2022-R139 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-09-09 07:47:00 Comet CATCH
38 MPEC 2022-R119 DAILY ORBIT UPDATE (2022 September 6) 2022-09-06 12:04:00
39 MPEC 2022-R06 DAILY ORBIT UPDATE (2022 September 1) 2022-09-01 12:09:00

List of Observers

Observers Count
T. Veikkolainen, V. Makela, K. Laihia 6
T. Veikkolainen 115
T. Veikkolainen, K. Laihia 61
T. Veikkolainen, K. Laihia, V. Makela 28
K. Laihia, V. Makela 12
J. Kuula 15

List of Measurers

Measurers Count
K. Laihia 237

List of Facilities

Facilities Count
0.40-mf/8.0 Ritchey-Chretien + 16k CCD 6
0.40-mf/8.0 Alluna-RC + CCD 231