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 Orbit Update DOU List Update Retraction Other Follow-Up First Follow-Up
2025 13 0 0 7 6 0 0 0 0 0
2024 16 0 0 7 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 2022-R06 DAILY ORBIT UPDATE (2022 September 1) 2022-09-01 12:09:00
2 MPEC 2022-R119 DAILY ORBIT UPDATE (2022 September 6) 2022-09-06 12:04:00
3 MPEC 2022-R139 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2022-09-09 07:47:00 Comet CATCH
4 MPEC 2023-G31 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-04-04 20:08:00 Comet CATCH
5 MPEC 2023-J11 DAILY ORBIT UPDATE (2023 May 2) 2023-05-02 12:03:00
6 MPEC 2023-J29 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-05-04 05:11:00 Comet CATCH
7 MPEC 2023-L38 DAILY ORBIT UPDATE (2023 June 9) 2023-06-09 12:08:00
8 MPEC 2023-M14 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-06-17 00:45:00 Comet CATCH
9 MPEC 2023-M154 DAILY ORBIT UPDATE (2023 June 28) 2023-06-28 12:34:00
10 MPEC 2023-N01 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-07-01 04:39:00 Comet CATCH
11 MPEC 2023-N16 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-07-06 07:55:00 Comet CATCH
12 MPEC 2023-N17 DAILY ORBIT UPDATE (2023 July 6) 2023-07-06 12:02:00
13 MPEC 2023-V24 DAILY ORBIT UPDATE (2023 November 4) 2023-11-04 12:05:00
14 MPEC 2023-V39 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-11-05 02:09:00 Comet CATCH
15 MPEC 2023-V167 DAILY ORBIT UPDATE (2023 November 10) 2023-11-10 12:28:00
16 MPEC 2023-V225 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-11-13 04:13:00 Comet CATCH
17 MPEC 2023-W26 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-11-19 01:05:00 Comet CATCH
18 MPEC 2023-Y93 DAILY ORBIT UPDATE (2023 December 28) 2023-12-28 12:07:00
19 MPEC 2023-Y97 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-12-29 03:14:00 Comet CATCH
20 MPEC 2024-G02 DAILY ORBIT UPDATE (2024 April 1) 2024-04-01 12:07:00
21 MPEC 2024-G193 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-04-13 23:03:00 Comet CATCH
22 MPEC 2024-H50 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-04-21 03:18:00 Comet CATCH
23 MPEC 2024-H78 DAILY ORBIT UPDATE (2024 April 27) 2024-04-27 12:07:00
24 MPEC 2024-M93 DAILY ORBIT UPDATE (2024 June 27) 2024-06-27 12:05:00
25 MPEC 2024-P100 DAILY ORBIT UPDATE (2024 August 8) 2024-08-08 12:08:00
26 MPEC 2024-Q69 DAILY ORBIT UPDATE (2024 August 29) 2024-08-29 12:01:00
27 MPEC 2024-R10 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-09-02 02:20:00 Comet CATCH
28 MPEC 2024-S35 DAILY ORBIT UPDATE (2024 September 23) 2024-09-23 12:08:00
29 MPEC 2024-S84 DAILY ORBIT UPDATE (2024 September 26) 2024-09-26 12:15:00
30 MPEC 2024-T138 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-10-06 05:57:00 Comet CATCH
31 MPEC 2024-T253 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-10-11 21:38:00 Comet CATCH
32 MPEC 2024-U136 DAILY ORBIT UPDATE (2024 October 27) 2024-10-27 12:24:00
33 MPEC 2024-U268 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-10-31 19:48:00 Comet CATCH
34 MPEC 2024-V104 DAILY ORBIT UPDATE (2024 November 8) 2024-11-08 12:17:00
35 MPEC 2024-V117 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-11-10 01:11:00 Comet CATCH
36 MPEC 2025-A163 DAILY ORBIT UPDATE (2025 January 11) 2025-01-11 13:18:00
37 MPEC 2025-A174 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-01-15 01:16:00 Comet CATCH
38 MPEC 2025-C164 DAILY ORBIT UPDATE (2025 February 13) 2025-02-13 12:47:00
39 MPEC 2025-D44 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-02-20 21:36:00 Comet CATCH
40 MPEC 2025-G45 DAILY ORBIT UPDATE (2025 April 3) 2025-04-03 12:36:00
41 MPEC 2025-G119 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-04-11 19:21:00 Comet CATCH
42 MPEC 2025-J71 DAILY ORBIT UPDATE (2025 May 8) 2025-05-08 12:16:00
43 MPEC 2025-J72 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-05-08 16:12:00 Comet CATCH
44 MPEC 2025-L46 DAILY ORBIT UPDATE (2025 June 7) 2025-06-07 12:29:00
45 MPEC 2025-M120 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-06-26 16:33:00 Comet CATCH
46 MPEC 2025-Q215 DAILY ORBIT UPDATE (2025 August 29) 2025-08-29 12:34:00
47 MPEC 2025-R69 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-09-09 19:18:00 Comet CATCH
48 MPEC 2025-T80 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-10-03 21:21:00 Comet CATCH

Objects Observed by This Station (99 total)

Object Observations Discoveries First Obs Last Obs Magnitude MPECs
01036 16752 0 2024-06-07 2024-06-07 10.8 1396
D7170 12936 0 2025-03-29 2025-04-25 15.8 588
0029P 12684 0 2022-11-18 2025-03-29 16.4 604
66251 12375 0 2024-08-10 2024-09-06 17.7 495
E3678 12151 0 2024-12-26 2025-04-18 19.0 419
04954 10428 0 2024-12-26 2024-12-26 N/A 948
CK24E010 10395 0 2025-08-22 2025-09-19 14.7 45
L9071 9085 0 2024-11-02 2025-08-23 17.7 395
21088 8723 0 2024-07-20 2024-07-20 17.3 793
01864 8426 0 2025-02-07 2025-02-07 17.5 766
00887 7458 0 2025-02-07 2025-02-07 12.7 678
35107 7128 0 2025-04-26 2025-04-26 17.5 648
85709 6372 0 2025-03-29 2025-03-29 18.1 708
05332 6171 0 2025-02-07 2025-02-07 17.4 561
02100 6032 0 2022-08-12 2025-08-22 17.9 464
01627 4485 0 2023-04-22 2023-04-22 16.7 1495
G4121 3920 0 2023-11-17 2023-11-17 18.4 280
01981 3663 0 2025-02-07 2025-02-07 17.8 333
H5706 3597 0 2024-12-26 2024-12-26 15.7 327
03200 3408 0 2023-11-25 2023-11-25 17.5 1136
07482 3256 0 2025-04-26 2025-04-26 18.9 296
Z2143 2592 0 2024-08-10 2024-09-07 19.5 162
CK23A030 2580 0 2024-10-19 2024-12-27 18.4 86
CK17K020 2492 0 2024-02-17 2025-03-29 19.2 178
g4482 2442 0 2025-05-31 2025-06-01 18.7 111
01685 2304 0 2024-02-18 2024-02-18 14.7 768
CK21G020 2289 0 2025-04-25 2025-05-31 16.9 109
02212 2043 0 2023-01-20 2023-01-20 18.2 681
L5188 1991 0 2022-08-12 2022-09-24 14.9 181
68359 1926 0 2023-01-20 2023-02-10 18.5 321
c5268 1914 0 2024-11-02 2024-11-02 17.5 174
G3696 1902 0 2023-05-19 2023-05-19 18.6 634
G3899 1859 0 2024-11-02 2024-11-02 N/A 169
CK20V020 1620 0 2022-08-12 2022-12-02 18.8 135
Q5196 1529 0 2025-02-07 2025-02-07 21.0 139
0012P 1422 0 2023-08-12 2024-03-09 18.7 79
CK21S030 1375 0 2024-09-06 2024-09-06 21.0 125
85953 1374 0 2025-03-29 2025-03-29 14.7 229
96590 1368 0 2023-11-25 2023-11-25 19.4 456
04544 1290 0 2023-04-21 2023-04-21 17.9 430
A5140 1257 0 2022-09-24 2022-09-24 17.7 419
25330 1230 0 2023-11-17 2023-11-17 18.1 410
03553 1125 0 2023-05-19 2023-05-19 19.2 375
CK21X010 1036 0 2023-09-16 2024-08-10 N/A 74
01862 1032 0 2023-04-21 2023-04-21 17.9 516
j8122 1012 0 2024-12-26 2024-12-26 16.2 92
K24O00N 1001 0 2024-09-06 2024-09-06 19.8 91
CK22Q78E 924 0 2025-02-07 2025-02-07 17.6 77
03102 912 0 2022-08-12 2022-08-12 18.2 456
0013P 855 0 2024-09-08 2024-09-08 17.4 57
K14R13B 814 0 2024-10-19 2024-10-19 16.8 74
CK19T040 804 0 2023-04-22 2023-05-19 19.3 134
0103P 798 0 2023-09-08 2024-02-17 21.6 133
12711 792 0 2022-08-12 2022-08-12 19.2 396
J97Q01K 770 0 2025-08-22 2025-08-22 20.2 70
CK22E030 750 0 2022-09-03 2023-02-10 11.7 75
CK23Q010 704 0 2024-12-27 2025-02-07 19.1 44
98943 702 0 2023-02-10 2023-02-10 16.0 234
CK22N020 693 0 2024-09-07 2024-09-07 15.0 63
j2389 666 0 2023-08-12 2023-08-12 19.4 222
85713 648 0 2022-11-18 2022-11-18 20.6 216
CK23R010 638 0 2025-08-22 2025-08-22 16.7 58
f7264 591 0 2024-02-18 2024-02-18 19.4 197
0062P 567 0 2024-02-09 2024-03-09 17.2 81
0144P 528 0 2024-02-09 2024-03-09 18.8 88
PK23S010 528 0 2025-02-07 2025-02-07 17.6 48
CK22A020 486 0 2023-01-20 2023-02-11 21.6 81
27031 483 0 2023-08-12 2023-08-12 17.0 161
F4029 477 0 2023-09-08 2023-09-08 21.9 159
04769 476 0 2023-08-12 2023-08-12 18.9 119
0154P 474 0 2024-08-10 2024-08-10 21.5 79
K14P59S 473 0 2025-08-23 2025-08-23 18.3 43
j0649 460 0 2024-11-02 2024-11-02 21.2 46
0032P 456 0 2024-02-10 2024-02-10 15.6 152
H7614 423 0 2022-11-18 2022-11-18 22.4 141
K19A04V 402 0 2023-09-08 2023-09-08 15.6 134
CK23V040 396 0 2024-09-06 2024-09-06 N/A 36
K25B00G 396 0 2025-02-07 2025-02-07 18.6 36
CK20K010 378 0 2022-08-12 2022-08-12 18.6 126
k2959 348 0 2025-04-25 2025-04-25 17.2 58
q3823 330 0 2022-09-24 2022-09-24 18.2 110
K25B10C 328 0 2025-03-29 2025-03-29 N/A 41
23606 327 0 2022-08-12 2022-08-12 20.6 109
E1851 315 0 2023-08-12 2023-08-12 19.6 105
CK22E020 300 0 2024-02-17 2024-02-17 15.1 100
p7681 300 0 2024-04-06 2024-04-06 19.0 100
CK22L020 285 0 2023-05-19 2023-05-19 18.4 95
CK20S040 222 0 2023-04-21 2023-04-21 N/A 74
CK21S040 222 0 2023-11-25 2023-11-25 19.0 74
K23S01P 195 0 2024-02-18 2024-02-18 21.5 65
CK21Y010 165 0 2022-11-18 2022-11-18 14.9 55
G2385 165 0 2023-02-10 2023-02-10 18.6 55
K19O01R 153 0 2022-11-18 2022-11-18 22.2 51
CK25K010 120 0 2025-08-23 2025-08-23 14.8 12
CK23T22D 98 0 2024-08-31 2024-08-31 20.8 14
CK23H020 81 0 2023-11-17 2023-11-17 17.5 27
CK22U020 72 0 2023-02-11 2023-02-11 14.8 24
0471P 66 0 2023-11-17 2023-11-17 19.2 22
0479P 45 0 2024-02-17 2024-02-17 18.9 15

List of Observers

Observer Group Total MPECs
Unknown 24
T.Veikkolainen 14
K.Laihia, T.Veikkolainen 4
K.Laihia, T.Veikkolainen, V.Makela 4
J.Kuula 1
K.Laihia, V.Makela 1
Individual Observer Total MPECs
Unknown 24
T.Veikkolainen 22
K.Laihia 9
V.Makela 5
J.Kuula 1

List of Measurers

Measurer Group Total MPECs
K.Laihia 24
Unknown 24
Individual Measurer Total MPECs
K.Laihia 24
Unknown 24

List of Facilities

Facilities Count
0.40-mf/8.0 Alluna-RC + CCD 23
0.40-mf/8.0 Ritchey-Chretien + 16k CCD 1
Unknown 24