COBS Statistics page

COBS Statistics:
Select Comet:

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Observations statistics for COBS database

Total:
Number of active observers:
(total includes noncontributing observers)
2347 of 2667
Number of active associations:
(total includes noncontributing associations)
17 of 17
Number of active countries:
(total includes noncontributing countries)
68 of 250
Number of observed comets:
(total is number of comets in COBS database)
1230 of 1770
Total number of observations:
240335
- Visual Observations:
206944
- CCD Observations:
33391

Observed comets: (1230)
Total:
Visual:
CCD:
Short-period comets: (327)
85753 71122 14631
One-apparition Short-period comets: (149)
2064 1167 897
Long-period comets: (753)
152476 134625 17851

Most observed comets:
Total:
Visual:
CCD:
15509 15222 287
7208 7208 0
5350 5350 0
5230 5230 0
5148 3465 1683
4766 4513 253
3908 3677 231
3560 3257 303
3336 3193 143
3143 2765 378

Top observers:
Total:
Visual:
CCD:
6937 3452 3485
4902 4902 0
4758 2154 2604
4318 4318 0
4124 5 4119
3677 3677 0
3633 3633 0
3256 3256 0
3191 3191 0
3063 3063 0

Top Associations:
Total:
Visual:
CCD:
79060 72153 6907
46299 40402 5897
44230 35996 8234
22490 19416 3074
19025 10611 8414
10458 10458 0
9271 9271 0
3191 3191 0
2038 1802 236
1718 1538 180

Top Countries:
Total:
Visual:
CCD:
26773 23707 3066
26326 25283 1043
23886 15442 8444
22174 13854 8320
19971 15351 4620
17243 16829 414
13853 13805 48
11478 8918 2560
10690 10506 184
9256 9256 0
Year:
Total:
Visual:
CCD:
2019 1813 831 982
2018 5380 3045 2335
2017 4945 2921 2024
2016 3673 2081 1592
2015 5243 3396 1847
2014 5698 3486 2212
2013 4881 3363 1518
2012 2554 1902 652
2011 4064 2919 1145
2010 4240 2788 1452
2009 4072 3281 791
2008 4123 3658 465
2007 6200 5344 856
2006 6783 5292 1491
2005 7246 5415 1831
2004 10616 8693 1923
2003 7202 4542 2660
2002 11731 9295 2436
2001 7686 6243 1443
2000 4166 2853 1313
1999 6941 5858 1083
1998 7273 6512 761
1997 12296 11818 478
1996 16033 16007 26
1995 4327 4288 39
1994 7432 7412 20
1993 3111 3096 15
1992 6037 6036 1
1991 3913 3913 0
1990 9658 9658 0
1989 4084 4084 0
1988 3920 3920 0
1987 4884 4884 0
1986 5117 5117 0
1985 5494 5494 0
1984 1805 1805 0
1983 2710 2710 0
1982 2201 2201 0
1981 1903 1903 0
1980 1947 1947 0
1979 176 176 0
1978 520 520 0
1977 1232 1232 0
1976 1067 1067 0
1975 1286 1286 0
1974 1295 1295 0
1973 415 415 0
1972 170 170 0
1971 145 145 0
1970 1746 1746 0
1969 128 128 0
1968 860 860 0
1967 249 249 0
1966 424 424 0
1965 274 274 0
1964 405 405 0
1963 560 560 0
1962 546 546 0
1961 233 233 0
1960 272 272 0
1959 206 206 0
1958 84 84 0
1957 637 637 0
1956 148 148 0
1955 448 448 0
1954 347 347 0
1953 182 182 0
1952 314 314 0
1951 186 186 0
1950 100 100 0
1949 156 156 0
1948 557 557 0
1947 149 149 0
1946 112 112 0
1945 30 30 0
1944 1 1 0
1943 274 274 0
1942 16 16 0
1941 105 105 0
1940 62 62 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
1927 2 2 0
1919 21 21 0
1911 39 39 0
1910 382 382 0
1909 76 76 0
1901 10 10 0
1886 3 3 0
1884 2 2 0