COBS Statistics page

COBS Statistics:
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Observations statistics for VdS

Total:
Number of active observers:
(total includes noncontributing observers)
71 of 2670
Number of active countries:
(total includes noncontributing countries)
3 of 250
Number of observed comets:
(total is number of comets in COBS database)
503 of 1786
Total number of observations:
22615
- Visual Observations:
19447
- CCD Observations:
3168

Observed comets: (503)
Total:
Visual:
CCD:
Short-period comets: (153)
8096 6695 1401
One-apparition Short-period comets: (35)
336 248 88
Long-period comets: (314)
14165 12493 1672

Most observed comets:
Total:
Visual:
CCD:
1061 1061 0
567 567 0
564 480 84
509 509 0
484 484 0
447 368 79
422 422 0
401 336 65
392 392 0
368 276 92

Top observers:
Total:
Visual:
CCD:
2113 2113 0
1936 126 1810
1927 1927 0
1694 1642 52
1438 1438 0
1351 1351 0
1289 1288 1
1282 1282 0
1129 394 735
931 931 0

Top Countries:
Total:
Visual:
CCD:
22270 19118 3152
219 219 0
126 110 16
Year:
Total:
Visual:
CCD:
2019 694 282 412
2018 1201 521 680
2017 871 478 393
2016 690 356 334
2015 1176 847 329
2014 780 640 140
2013 600 527 73
2012 353 346 7
2011 457 445 12
2010 986 356 630
2009 478 321 157
2008 213 212 1
2007 216 216 0
2006 348 348 0
2005 458 458 0
2004 423 423 0
2003 359 359 0
2002 674 674 0
2001 369 369 0
2000 221 221 0
1999 576 576 0
1998 677 677 0
1997 1091 1091 0
1996 1299 1299 0
1995 367 367 0
1994 1219 1219 0
1993 456 456 0
1992 854 854 0
1991 539 539 0
1990 1019 1019 0
1989 541 541 0
1988 616 616 0
1987 522 522 0
1986 453 453 0
1985 584 584 0
1984 48 48 0
1983 44 44 0
1982 16 16 0
1981 21 21 0
1980 26 26 0
1977 7 7 0
1976 18 18 0
1975 32 32 0
1974 21 21 0
1973 2 2 0