COBS Statistics page

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COBS Statistics:
Select Comet:

Observations statistics for BAA

Total:
Number of active observers:
(total includes noncontributing observers)
552 of 2538
Number of active countries:
(total includes noncontributing countries)
37 of 250
Number of observed comets:
(total is number of comets in COBS database)
808 of 1642
Total number of observations:
79562
- Visual Observations:
73966
- CCD Observations:
5596

Observed comets: (808)
Total:
Visual:
CCD:
Short-period comets: (244)
28861 26428 2433
One-apparition Short-period comets: (51)
560 351 209
Long-period comets: (513)
50141 47187 2954

Most observed comets:
Total:
Visual:
CCD:
5334 5334 0
3068 3068 0
1883 1883 0
1777 1496 281
1491 1491 0
1137 1137 0
1125 1074 51
1079 1041 38
1068 1068 0
928 928 0

Top observers:
Total:
Visual:
CCD:
4902 4902 0
4300 4300 0
3633 3633 0
3262 3262 0
3037 3037 0
2991 4 2987
2863 2863 0
2759 2756 3
2744 2744 0
2447 2447 0

Top Countries:
Total:
Visual:
CCD:
19820 19817 3
17958 14745 3213
5746 5746 0
5127 3613 1514
4902 4902 0
3145 3145 0
2906 2906 0
2676 2308 368
2108 2108 0
1727 1727 0
Year:
Total:
Visual:
CCD:
2017 415 133 282
2016 660 104 556
2015 1035 292 743
2014 1680 782 898
2013 1476 762 714
2012 670 632 38
2011 788 787 1
2010 763 750 13
2009 571 571 0
2008 1017 837 180
2007 1785 1580 205
2006 1366 1287 79
2005 1551 1536 15
2004 2329 2252 77
2003 1218 1144 74
2002 2995 2648 347
2001 2461 2003 458
2000 1205 848 357
1999 2323 1822 501
1998 2448 2390 58
1997 4285 4285 0
1996 5782 5782 0
1995 1740 1740 0
1994 3232 3232 0
1993 1504 1504 0
1992 2414 2414 0
1991 1813 1813 0
1990 3038 3038 0
1989 1440 1440 0
1988 1296 1296 0
1987 2117 2117 0
1986 2420 2420 0
1985 2266 2266 0
1984 875 875 0
1983 1455 1455 0
1982 1245 1245 0
1981 937 937 0
1980 864 864 0
1979 124 124 0
1978 418 418 0
1977 497 497 0
1976 700 700 0
1975 1056 1056 0
1974 1171 1171 0
1973 406 406 0
1972 167 167 0
1971 140 140 0
1970 1569 1569 0
1969 118 118 0
1968 725 725 0
1967 199 199 0
1966 302 302 0
1965 202 202 0
1964 341 341 0
1963 436 436 0
1962 373 373 0
1961 165 165 0
1960 97 97 0
1959 178 178 0
1958 70 70 0
1957 234 234 0
1956 144 144 0
1955 275 275 0
1954 306 306 0
1953 117 117 0
1952 223 223 0
1951 167 167 0
1950 98 98 0
1949 136 136 0
1948 277 277 0
1947 139 139 0
1946 25 25 0
1945 30 30 0
1944 1 1 0
1943 51 51 0
1942 14 14 0
1941 73 73 0
1940 28 28 0
1939 35 35 0
1937 107 107 0
1936 42 42 0
1935 12 12 0
1933 40 40 0
1932 45 45 0
1910 8 8 0
1909 2 2 0