COBS Statistics page

COBS Statistics:
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Observations statistics for ICQ

Total:
Number of active observers:
(total includes noncontributing observers)
1292 of 2621
Number of active countries:
(total includes noncontributing countries)
53 of 250
Number of observed comets:
(total is number of comets in COBS database)
754 of 1744
Total number of observations:
46002
- Visual Observations:
40188
- CCD Observations:
5814

Observed comets: (754)
Total:
Visual:
CCD:
Short-period comets: (235)
15981 13572 2409
One-apparition Short-period comets: (33)
92 38 54
Long-period comets: (485)
29926 26575 3351

Most observed comets:
Total:
Visual:
CCD:
4336 4080 256
2719 2719 0
1931 1931 0
1576 1576 0
1364 1261 103
965 940 25
947 947 0
809 771 38
795 795 0
720 641 79

Top observers:
Total:
Visual:
CCD:
2777 2774 3
2742 2742 0
2297 597 1700
1747 1020 727
1131 1131 0
732 732 0
714 714 0
676 676 0
636 636 0
622 622 0

Top Countries:
Total:
Visual:
CCD:
12943 9084 3859
10664 10664 0
6073 5881 192
3693 3087 606
2471 2471 0
2160 1676 484
1706 1706 0
1090 930 160
516 516 0
509 509 0
Year:
Total:
Visual:
CCD:
2018 414 351 63
2017 687 332 355
2016 410 119 291
2015 401 155 246
2014 293 103 190
2013 523 311 212
2012 345 190 155
2011 383 220 163
2010 429 288 141
2009 346 336 10
2008 506 427 79
2007 1156 1009 147
2006 1307 1107 200
2005 1428 1136 292
2004 2300 2052 248
2003 1406 936 470
2002 2877 1877 1000
2001 1734 1213 521
2000 887 493 394
1999 942 654 288
1998 986 720 266
1997 2817 2735 82
1996 3803 3802 1
1995 783 783 0
1994 657 657 0
1993 222 222 0
1992 1378 1378 0
1991 684 684 0
1990 3017 3017 0
1989 1173 1173 0
1988 1116 1116 0
1987 1127 1127 0
1986 1380 1380 0
1985 1443 1443 0
1984 471 471 0
1983 420 420 0
1982 391 391 0
1981 527 527 0
1980 763 763 0
1979 52 52 0
1978 96 96 0
1977 619 619 0
1976 185 185 0
1975 32 32 0
1974 66 66 0
1973 23 23 0
1972 5 5 0
1971 5 5 0
1970 148 148 0
1969 10 10 0
1968 123 123 0
1967 50 50 0
1966 122 122 0
1965 72 72 0
1964 64 64 0
1963 124 124 0
1962 173 173 0
1961 63 63 0
1960 157 157 0
1959 21 21 0
1958 1 1 0
1957 306 306 0
1956 1 1 0
1955 136 136 0
1954 41 41 0
1953 65 65 0
1952 91 91 0
1951 19 19 0
1950 2 2 0
1949 20 20 0
1948 280 280 0
1947 10 10 0
1946 87 87 0
1943 223 223 0
1942 2 2 0
1941 32 32 0
1940 34 34 0
1927 2 2 0
1919 21 21 0
1911 39 39 0
1910 374 374 0
1909 74 74 0