COBS Statistics page

COBS Statistics:
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Observations statistics for BAA

Total:
Number of active observers:
(total includes noncontributing observers)
552 of 2621
Number of active countries:
(total includes noncontributing countries)
38 of 250
Number of observed comets:
(total is number of comets in COBS database)
860 of 1744
Total number of observations:
78691
- Visual Observations:
72035
- CCD Observations:
6656

Observed comets: (860)
Total:
Visual:
CCD:
Short-period comets: (269)
28438 25367 3071
One-apparition Short-period comets: (56)
571 351 220
Long-period comets: (534)
49674 46309 3365

Most observed comets:
Total:
Visual:
CCD:
5301 5301 0
2749 2749 0
1878 1878 0
1860 1449 411
1428 1428 0
1117 1117 0
1103 1051 52
1031 1031 0
1007 969 38
928 928 0

Top observers:
Total:
Visual:
CCD:
4902 4902 0
4318 4318 0
3911 5 3906
3633 3633 0
3256 3256 0
3063 3063 0
3037 3037 0
2858 2858 0
2447 2447 0
2031 1465 566

Top Countries:
Total:
Visual:
CCD:
19242 15030 4212
17054 17054 0
6060 6060 0
5267 3753 1514
4902 4902 0
3140 3140 0
2906 2906 0
2643 2275 368
2260 2260 0
1727 1727 0
Year:
Total:
Visual:
CCD:
2018 834 236 598
2017 1249 531 718
2016 950 371 579
2015 1042 293 749
2014 1679 781 898
2013 1476 762 714
2012 670 632 38
2011 788 787 1
2010 762 749 13
2009 570 570 0
2008 1016 836 180
2007 1756 1551 205
2006 1360 1281 79
2005 1535 1520 15
2004 2274 2200 74
2003 1188 1114 74
2002 2994 2647 347
2001 2458 2000 458
2000 1205 848 357
1999 2323 1822 501
1998 2448 2390 58
1997 4285 4285 0
1996 5769 5769 0
1995 1536 1536 0
1994 3047 3047 0
1993 1454 1454 0
1992 2332 2332 0
1991 1659 1659 0
1990 2824 2824 0
1989 1269 1269 0
1988 1158 1158 0
1987 1975 1975 0
1986 2184 2184 0
1985 2018 2018 0
1984 746 746 0
1983 1291 1291 0
1982 1103 1103 0
1981 831 831 0
1980 739 739 0
1979 118 118 0
1978 400 400 0
1977 471 471 0
1976 652 652 0
1975 1043 1043 0
1974 1127 1127 0
1973 386 386 0
1972 165 165 0
1971 140 140 0
1970 1558 1558 0
1969 118 118 0
1968 724 724 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