COBS Statistics page

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COBS Statistics:
Select Comet:

Observations statistics for ICQ

Total:
Number of active observers:
(total includes noncontributing observers)
1257 of 2531
Number of active countries:
(total includes noncontributing countries)
53 of 250
Number of observed comets:
(total is number of comets in COBS database)
680 of 1632
Total number of observations:
39516
- Visual Observations:
34091
- CCD Observations:
5425

Observed comets: (680)
Total:
Visual:
CCD:
Short-period comets: (223)
12851 10617 2234
One-apparition Short-period comets: (24)
61 9 52
Long-period comets: (433)
26604 23465 3139

Most observed comets:
Total:
Visual:
CCD:
4278 4022 256
2400 2400 0
1869 1869 0
1378 1378 0
1309 1206 103
910 910 0
851 826 25
755 755 0
737 699 38
719 640 79

Top observers:
Total:
Visual:
CCD:
2263 583 1680
1599 985 614
1131 1131 0
732 732 0
714 714 0
642 642 0
636 636 0
622 622 0
613 613 0
559 559 0

Top Countries:
Total:
Visual:
CCD:
12719 8994 3725
10234 10234 0
3296 3107 189
2468 2468 0
1905 1674 231
1705 1705 0
1090 930 160
925 318 607
504 504 0
500 500 0
Year:
Total:
Visual:
CCD:
2017 40 8 32
2016 330 41 289
2015 382 136 246
2014 293 102 191
2013 372 160 212
2012 212 57 155
2011 231 68 163
2010 275 134 141
2009 91 81 10
2008 236 157 79
2007 937 790 147
2006 1089 889 200
2005 1184 892 292
2004 1981 1736 245
2003 1275 805 470
2002 2772 1771 1001
2001 1717 1196 521
2000 882 488 394
1999 930 642 288
1998 978 712 266
1997 2782 2700 82
1996 3567 3566 1
1995 579 579 0
1994 471 471 0
1993 173 173 0
1992 1296 1296 0
1991 530 530 0
1990 2804 2804 0
1989 1004 1004 0
1988 967 967 0
1987 990 990 0
1986 1144 1144 0
1985 1195 1195 0
1984 342 342 0
1983 256 256 0
1982 267 267 0
1981 421 421 0
1980 639 639 0
1979 46 46 0
1978 78 78 0
1977 593 593 0
1976 137 137 0
1975 19 19 0
1974 22 22 0
1973 3 3 0
1972 3 3 0
1971 5 5 0
1970 137 137 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