COBS Statistics page

COBS Statistics:
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Observations statistics for OCV

Total:
Number of active observers:
(total includes noncontributing observers)
16 of 2559
Number of active countries:
(total includes noncontributing countries)
1 of 250
Number of observed comets:
(total is number of comets in COBS database)
164 of 1699
Total number of observations:
1717
- Visual Observations:
1538
- CCD Observations:
179

Observed comets: (164)
Total:
Visual:
CCD:
Short-period comets: (62)
558 494 64
One-apparition Short-period comets: (5)
17 12 5
Long-period comets: (97)
1142 1032 110

Most observed comets:
Total:
Visual:
CCD:
162 162 0
109 109 0
91 60 31
83 79 4
65 65 0
46 46 0
46 26 20
45 45 0
44 44 0
40 40 0

Top observers:
Total:
Visual:
CCD:
892 749 143
252 252 0
229 229 0
138 138 0
67 31 36
26 26 0
24 24 0
23 23 0
20 20 0
20 20 0

Top Countries:
Total:
Visual:
CCD:
1717 1538 179
Year:
Total:
Visual:
CCD:
2015 22 12 10
2014 14 14 0
2013 23 23 0
2012 2 2 0
2011 3 3 0
2010 9 7 2
2008 15 15 0
2007 124 84 40
2006 125 125 0
2005 140 140 0
2004 147 147 0
2003 74 74 0
2002 124 124 0
2000 11 0 11
1998 42 2 40
1997 102 26 76
1996 125 125 0
1995 49 49 0
1994 67 67 0
1993 68 68 0
1992 108 108 0
1991 122 122 0
1990 57 57 0
1989 23 23 0
1988 24 24 0
1987 38 38 0
1986 26 26 0
1985 33 33 0