E62 Slooh.com Australia, Coonabarabran

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 53 0 0 22 25 0 0 0 6 0
2024 37 0 0 12 22 0 0 0 3 0
2023 0 0 0 0 0 0 0 0 0 0
2022 0 0 0 0 0 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 2024-P10 DAILY ORBIT UPDATE (2024 August 1) 2024-08-01 12:04:00
2 MPEC 2024-P23 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-08-02 08:12:00 Comet CATCH
3 MPEC 2024-P43 DAILY ORBIT UPDATE (2024 August 3) 2024-08-03 12:03:00
4 MPEC 2024-P56 DAILY ORBIT UPDATE (2024 August 4) 2024-08-04 12:04:00
5 MPEC 2024-P65 DAILY ORBIT UPDATE (2024 August 5) 2024-08-05 12:05:00
6 MPEC 2024-P125 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-08-11 06:50:00 Comet CATCH
7 MPEC 2024-Q33 DAILY ORBIT UPDATE (2024 August 23) 2024-08-23 12:06:00
8 MPEC 2024-Q35 DAILY ORBIT UPDATE (2024 August 24) 2024-08-24 12:06:00
9 MPEC 2024-Q42 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-08-26 03:45:00 Comet CATCH
10 MPEC 2024-Q55 DAILY ORBIT UPDATE (2024 August 28) 2024-08-28 12:09:00
11 MPEC 2024-Q69 DAILY ORBIT UPDATE (2024 August 29) 2024-08-29 12:01:00
12 MPEC 2024-Q76 2024 QK1 2024-08-30 06:23:00 NEA (H>22) CATCH
13 MPEC 2024-R05 DAILY ORBIT UPDATE (2024 September 1) 2024-09-01 12:03:00
14 MPEC 2024-R10 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-09-02 02:20:00 Comet CATCH
15 MPEC 2024-R15 2024 QK2 2024-09-02 05:37:00 NEA (H>22) CATCH
16 MPEC 2024-R110 DAILY ORBIT UPDATE (2024 September 6) 2024-09-06 12:11:00
17 MPEC 2024-R160 DAILY ORBIT UPDATE (2024 September 7) 2024-09-07 12:13:00
18 MPEC 2024-R266 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-09-11 20:19:00 Comet CATCH
19 MPEC 2024-R351 DAILY ORBIT UPDATE (2024 September 14) 2024-09-14 12:03:00
20 MPEC 2024-S20 DAILY ORBIT UPDATE (2024 September 19) 2024-09-19 12:06:00
21 MPEC 2024-S32 DAILY ORBIT UPDATE (2024 September 22) 2024-09-22 12:08:00
22 MPEC 2024-S35 DAILY ORBIT UPDATE (2024 September 23) 2024-09-23 12:08:00
23 MPEC 2024-T138 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-10-06 05:57:00 Comet CATCH
24 MPEC 2024-T175 DAILY ORBIT UPDATE (2024 October 7) 2024-10-07 12:44:00
25 MPEC 2024-T249 DAILY ORBIT UPDATE (2024 October 11) 2024-10-11 12:53:00
26 MPEC 2024-T253 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-10-11 21:38:00 Comet CATCH
27 MPEC 2024-T262 DAILY ORBIT UPDATE (2024 October 12) 2024-10-12 12:04:00
28 MPEC 2024-T282 DAILY ORBIT UPDATE (2024 October 13) 2024-10-13 12:06:00
29 MPEC 2024-U18 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-10-19 06:54:00 Comet CATCH
30 MPEC 2024-U109 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-10-26 06:57:00 Comet CATCH
31 MPEC 2024-U268 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-10-31 19:48:00 Comet CATCH
32 MPEC 2024-V97 COMET C/2024 T5 (ATLAS) 2024-11-07 19:13:00 Comet CATCH
33 MPEC 2024-V117 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-11-10 01:11:00 Comet CATCH
34 MPEC 2024-V189 DAILY ORBIT UPDATE (2024 November 14) 2024-11-14 12:23:00
35 MPEC 2024-W77 DAILY ORBIT UPDATE (2024 November 23) 2024-11-23 12:11:00
36 MPEC 2024-X74 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-12-04 00:44:00 Comet CATCH
37 MPEC 2024-X149 DAILY ORBIT UPDATE (2024 December 5) 2024-12-05 12:34:00
38 MPEC 2025-A40 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-01-03 03:22:00 Comet CATCH
39 MPEC 2025-A144 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-01-08 21:40:00 Comet CATCH
40 MPEC 2025-B29 DAILY ORBIT UPDATE (2025 January 20) 2025-01-20 12:06:00
41 MPEC 2025-B109 DAILY ORBIT UPDATE (2025 January 25) 2025-01-25 12:16:00
42 MPEC 2025-B144 DAILY ORBIT UPDATE (2025 January 27) 2025-01-27 12:19:00
43 MPEC 2025-C02 DAILY ORBIT UPDATE (2025 February 1) 2025-02-01 12:25:00
44 MPEC 2025-C143 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-02-08 19:17:00 Comet CATCH
45 MPEC 2025-D44 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-02-20 21:36:00 Comet CATCH
46 MPEC 2025-D151 A/2025 A7 2025-02-24 15:18:00 Comet CATCH
47 MPEC 2025-D163 DAILY ORBIT UPDATE (2025 February 25) 2025-02-25 12:22:00
48 MPEC 2025-D254 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-02-28 19:33:00 Comet CATCH
49 MPEC 2025-E108 2025 ED2 2025-03-05 23:42:00 NEA (18>H>22) CATCH
50 MPEC 2025-E119 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-03-06 19:54:00 Comet CATCH
51 MPEC 2025-E162 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-03-12 20:26:00 Comet CATCH
52 MPEC 2025-F22 COMET C/2025 D6 (ATLAS) 2025-03-20 17:15:00 Comet CATCH
53 MPEC 2025-G119 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-04-11 19:21:00 Comet CATCH
54 MPEC 2025-H10 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-04-17 17:41:00 Comet CATCH
55 MPEC 2025-H115 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-04-24 15:59:00 Comet CATCH
56 MPEC 2025-J08 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-05-01 14:58:00 Comet CATCH
57 MPEC 2025-J19 DAILY ORBIT UPDATE (2025 May 3) 2025-05-03 12:08:00
58 MPEC 2025-J72 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-05-08 16:12:00 Comet CATCH
59 MPEC 2025-J92 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-05-15 18:19:00 Comet CATCH
60 MPEC 2025-K07 DAILY ORBIT UPDATE (2025 May 18) 2025-05-18 12:04:00
61 MPEC 2025-K72 DAILY ORBIT UPDATE (2025 May 24) 2025-05-24 12:04:00
62 MPEC 2025-K129 DAILY ORBIT UPDATE (2025 May 29) 2025-05-29 12:15:00
63 MPEC 2025-M120 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-06-26 16:33:00 Comet CATCH
64 MPEC 2025-N35 Comet 3I/ATLAS 2025-07-04 18:46:00 Comet CATCH
65 MPEC 2025-N64 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-07-07 20:51:00 Comet CATCH
66 MPEC 2025-N86 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-07-10 20:25:00 Comet CATCH
67 MPEC 2025-O24 DAILY ORBIT UPDATE (2025 July 19) 2025-07-19 12:05:00
68 MPEC 2025-O30 DAILY ORBIT UPDATE (2025 July 20) 2025-07-20 12:06:00
69 MPEC 2025-O73 DAILY ORBIT UPDATE (2025 July 24) 2025-07-24 12:12:00
70 MPEC 2025-O159 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-07-31 18:52:00 Comet CATCH
71 MPEC 2025-P125 DAILY ORBIT UPDATE (2025 August 10) 2025-08-10 12:14:00
72 MPEC 2025-P151 DAILY ORBIT UPDATE (2025 August 15) 2025-08-15 12:02:00
73 MPEC 2025-Q125 DAILY ORBIT UPDATE (2025 August 24) 2025-08-24 12:19:00
74 MPEC 2025-Q195 DAILY ORBIT UPDATE (2025 August 28) 2025-08-28 12:26:00
75 MPEC 2025-Q244 DAILY ORBIT UPDATE (2025 August 30) 2025-08-30 12:47:00
76 MPEC 2025-R63 Comet 3I/ATLAS 2025-09-08 19:24:00 Comet CATCH
77 MPEC 2025-R69 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-09-09 19:18:00 Comet CATCH
78 MPEC 2025-S133 DAILY ORBIT UPDATE (2025 September 20) 2025-09-20 12:14:00
79 MPEC 2025-S158 DAILY ORBIT UPDATE (2025 September 21) 2025-09-21 12:20:00
80 MPEC 2025-S171 DAILY ORBIT UPDATE (2025 September 22) 2025-09-22 12:21:00
81 MPEC 2025-S173 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-09-22 20:03:00 Comet CATCH
82 MPEC 2025-S249 DAILY ORBIT UPDATE (2025 September 26) 2025-09-26 12:18:00
83 MPEC 2025-S298 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-09-30 17:23:00 Comet CATCH
84 MPEC 2025-T80 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2025-10-03 21:21:00 Comet CATCH
85 MPEC 2025-T138 DAILY ORBIT UPDATE (2025 October 11) 2025-10-11 13:36:00
86 MPEC 2025-T159 DAILY ORBIT UPDATE (2025 October 14) 2025-10-14 13:19:00
87 MPEC 2025-T163 DAILY ORBIT UPDATE (2025 October 15) 2025-10-15 13:33:00
88 MPEC 2025-U01 2025 TK8 2025-10-16 07:16:00 NEA (18>H>22) CATCH
89 MPEC 2025-U47 2025 UM 2025-10-18 21:12:00 NEA (H>22) CATCH
90 MPEC 2025-U128 DAILY ORBIT UPDATE (2025 October 21) 2025-10-21 12:39:00

Objects Observed by This Station (111 total)

Object Observations Discoveries First Obs Last Obs Magnitude MPECs
03122 1862 0 2024-07-31 2024-07-31 N/A 931
0047P 1210 0 2025-04-05 2025-08-24 15.8 110
0049P 755 0 2024-08-29 2024-09-09 15.7 151
CK20V020 675 0 2024-08-19 2024-08-29 18.8 135
0065P 666 0 2025-05-02 2025-05-02 18.4 333
0242P 616 0 2024-10-10 2024-11-02 18.0 88
05660 600 0 2024-07-23 2024-07-29 17.0 100
CK24A010 588 0 2024-12-24 2025-02-02 17.1 42
0240P 567 0 2025-05-23 2025-06-04 15.2 81
K24M00R 510 0 2024-08-22 2024-09-04 N/A 85
0048P 452 0 2025-06-04 2025-06-04 19.3 113
CK22R060 438 0 2024-10-22 2025-04-13 17.2 73
CK24J030 396 0 2024-07-29 2025-08-14 16.6 36
K24R05Z 376 0 2024-10-10 2024-10-11 16.5 94
0003I 375 0 2025-07-03 2025-09-29 12.7 25
K25T08K 360 0 2025-10-15 2025-10-15 17.0 12
K25T04G 340 0 2025-10-10 2025-10-10 18.5 17
CK25R020 310 0 2025-09-17 2025-10-01 8.4 5
K24P03N 303 0 2025-01-19 2025-01-19 16.0 101
K21G06M 300 0 2025-10-13 2025-10-13 19.6 15
K11A24M 292 0 2024-08-02 2024-08-02 21.4 146
K24O00N 273 0 2024-09-17 2024-09-17 19.8 91
K25T05P 270 0 2025-10-14 2025-10-14 N/A 6
CK24X020 255 0 2025-01-24 2025-04-23 17.9 15
CK20K010 252 0 2024-09-14 2024-09-14 18.6 126
d2211 246 0 2025-05-02 2025-05-02 18.9 82
CK23C020 244 0 2024-07-21 2024-08-30 16.5 61
CK23T030 225 0 2024-11-25 2025-04-21 17.5 45
K24N03Z 224 0 2024-08-01 2024-08-02 22.1 28
0195P 222 0 2024-10-12 2024-10-12 17.7 74
0136P 220 0 2024-09-01 2024-09-06 20.9 44
CK21G020 218 0 2025-01-25 2025-01-25 16.9 109
CK14UR1N 204 0 2024-09-13 2024-09-13 16.5 102
CK19E030 204 0 2024-09-21 2024-09-21 18.8 102
0130P 192 0 2024-09-15 2024-09-15 N/A 96
CK22L020 190 0 2024-10-19 2024-10-19 18.4 95
CK22N020 189 0 2024-07-27 2024-07-27 15.0 63
0037P 186 0 2024-07-30 2024-07-30 16.1 93
0253P 185 0 2024-08-31 2024-09-03 19.3 37
CK24M010 180 0 2024-09-07 2024-10-19 17.8 30
0210P 172 0 2025-08-24 2025-09-17 18.5 43
CK23A030 172 0 2024-08-01 2024-08-01 18.4 86
K14N64F 158 0 2024-08-01 2024-08-01 19.7 79
CK22Q78E 154 0 2024-09-16 2024-09-16 17.6 77
CK24G020 152 0 2025-01-03 2025-02-01 18.9 19
0209P 146 0 2024-09-03 2024-09-03 18.9 73
K08W61L 138 0 2025-07-18 2025-07-18 17.8 46
K25D01E 133 0 2025-02-24 2025-02-24 20.4 19
0145P 132 0 2025-08-24 2025-09-24 17.6 33
h4740 130 0 2025-05-10 2025-05-17 19.0 26
0190P 123 0 2024-09-04 2024-09-04 19.9 41
K25Q03P 115 0 2025-08-27 2025-08-28 N/A 23
0054P 112 0 2024-08-26 2024-09-22 19.5 28
CK24G060 110 0 2025-05-01 2025-05-03 18.1 22
PK25D040 108 0 2025-02-27 2025-03-02 19.2 12
0188P 106 0 2025-08-18 2025-08-18 19.0 53
K25M01R 102 0 2025-08-09 2025-08-09 18.6 34
K25O05M 96 0 2025-08-28 2025-08-28 17.6 32
K25S00W 96 0 2025-09-18 2025-09-20 18.6 16
K25U00M 96 0 2025-10-18 2025-10-19 19.1 3
PK23S010 96 0 2024-12-25 2024-12-25 17.6 48
CK24T050 90 0 2024-10-08 2024-10-27 15.3 18
K24N11N 90 0 2024-09-22 2024-09-22 22.2 30
K25E02D 90 0 2025-03-05 2025-03-05 18.7 30
K25N01T 87 0 2025-07-23 2025-07-23 21.4 29
0491P 84 0 2025-05-08 2025-06-24 18.9 14
CK24L050 78 0 2024-09-02 2024-09-02 16.2 26
0261P 70 0 2025-08-23 2025-08-23 18.1 35
CK25L020 65 0 2025-08-27 2025-09-18 18.3 13
0305P 64 0 2024-10-20 2024-10-20 17.3 32
0472P 64 0 2024-10-28 2024-10-28 17.5 32
K24R00Q 64 0 2024-09-13 2024-09-13 15.7 16
CK23H010 62 0 2025-05-06 2025-05-06 17.8 31
K24S00A 54 0 2024-09-21 2024-09-21 16.3 18
CK25L010 48 0 2025-07-08 2025-08-18 17.7 8
K24R04W 48 0 2024-09-06 2024-09-06 18.3 24
K25J00R 48 0 2025-05-23 2025-05-23 17.1 16
PK25C010 48 0 2025-02-22 2025-04-05 19.1 12
0208P 46 0 2024-09-21 2024-09-21 20.8 23
K24P02J 46 0 2024-08-22 2024-08-22 21.5 23
CK23T22D 42 0 2024-09-09 2024-09-09 20.8 14
CK24G030 42 0 2024-09-02 2024-09-02 4.8 21
K25B03E 40 0 2025-01-24 2025-01-24 21.9 10
0487P 38 0 2024-10-01 2024-10-01 18.2 19
CK24S010 36 0 2024-10-06 2024-10-12 16.1 9
CK25D060 36 0 2025-03-03 2025-03-05 N/A 4
CK25K010 36 0 2025-06-03 2025-06-03 14.8 12
K24O00Z 36 0 2024-08-26 2024-08-26 18.6 12
K24S03U 36 0 2024-10-03 2024-10-03 19.3 12
K25Q00P 36 0 2025-08-23 2025-08-23 18.8 12
K24Q00N 33 0 2024-08-27 2024-08-27 21.1 11
K25J01Z 33 0 2025-05-17 2025-05-17 20.5 11
K25B02B 32 0 2025-01-31 2025-01-31 N/A 16
0479P 30 0 2024-08-02 2024-08-02 18.9 15
K24O01M 24 0 2024-08-03 2024-08-03 16.4 8
K24Q01K 24 0 2024-08-29 2024-08-29 18.9 8
K25A02K 24 0 2025-01-24 2025-01-24 22.1 8
K25S00S 22 0 2025-09-20 2025-09-20 18.4 11
K25P00M 21 0 2025-08-14 2025-08-14 N/A 7
K24W18C 20 0 2024-12-02 2024-12-02 17.5 5
0502P 18 0 2025-07-06 2025-07-06 19.8 9
K24Q02K 18 0 2024-09-01 2024-09-01 20.0 6
K25O00J 18 0 2025-07-19 2025-07-19 N/A 9
K25S04N 18 0 2025-09-23 2025-09-23 21.4 6
K24W00O 15 0 2024-11-22 2024-11-22 19.6 5
AK25A070 14 0 2025-01-25 2025-01-25 19.5 7
K25B00D 14 0 2025-01-20 2025-01-20 19.5 7
K24Q01V 12 0 2024-08-31 2024-08-31 18.0 4
K24V04A 12 0 2024-11-13 2024-11-13 17.9 4
CK25N020 10 0 2025-07-09 2025-07-09 19.2 5
K24T02S 10 0 2024-10-06 2024-10-06 14.4 5

List of Observers

Observer Group Total MPECs
Unknown 47
E.Cortes 19
B.Lutkenhoner, E.Cortes 9
B.Lutkenhoner 4
W.F.Cashwell 3
A.J.Evans, B.Lutkenhoner, E.Cortes 1
D.Antonova, E.Cortes, K.Dankov, S.D.Alexandrov 1
A.J.Evans, K.Dankov, S.D.Alexandrov 1
D.Antonova, K.Dankov, S.D.Alexandrov 1
M.Kumrucu- Lohmiller 1
R.B.Glassey 1
B.Lutkenhoner, R.W.Anderson, W.F.Cashwell 1
E.Cortes, T.Evans 1
Individual Observer Total MPECs
Unknown 47
E.Cortes 31
B.Lutkenhoner 15
W.F.Cashwell 4
K.Dankov 3
S.D.Alexandrov 3
A.J.Evans 2
D.Antonova 2
M.Kumrucu- Lohmiller 1
R.B.Glassey 1
R.W.Anderson 1
T.Evans 1

List of Measurers

Measurer Group Total MPECs
Unknown 89
E.Cortes 1
Individual Measurer Total MPECs
Unknown 89
E.Cortes 1

List of Facilities

Facilities Count
0.5-m f/6.8 Corrected Dall-Kirkham + CCD 39
0.50-m f/6.8 Corrected Dall-Kirkham + CCD 1
0.51-m f/6.8 Corrected Dall-Kirkham + CCD 2
0.51-m f/6.8 Corrected Dall-Kirkham + CCD, 0.5-m f/6.8 Corrected Dall-Kirkham + CCD 1
Unknown 47