COBS Statistics page

COBS Statistics:
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Observations statistics for SMPH

Total:
Number of active observers:
(total includes noncontributing observers)
102 of 2585
Number of active countries:
(total includes noncontributing countries)
2 of 250
Number of observed comets:
(total is number of comets in COBS database)
459 of 1722
Total number of observations:
18454
- Visual Observations:
10550
- CCD Observations:
7904

Observed comets: (459)
Total:
Visual:
CCD:
Short-period comets: (149)
5909 3131 2778
One-apparition Short-period comets: (34)
384 98 286
Long-period comets: (276)
12161 7321 4840

Most observed comets:
Total:
Visual:
CCD:
778 778 0
735 173 562
665 439 226
467 238 229
398 398 0
370 120 250
364 249 115
328 261 67
315 248 67
310 310 0

Top observers:
Total:
Visual:
CCD:
6937 3452 3485
3053 0 3053
1905 1397 508
715 715 0
704 704 0
601 601 0
557 0 557
458 458 0
412 412 0
310 310 0

Top Countries:
Total:
Visual:
CCD:
17913 10119 7794
541 431 110
Year:
Total:
Visual:
CCD:
2018 60 11 49
2017 242 127 115
2016 107 107 0
2015 201 165 36
2014 281 174 107
2013 234 162 72
2012 390 118 272
2011 755 677 78
2010 506 218 288
2009 728 163 565
2008 178 89 89
2007 587 246 341
2006 882 359 523
2005 1806 466 1340
2004 1651 552 1099
2003 1988 285 1703
2002 1524 803 721
2001 530 323 207
2000 401 212 189
1999 636 636 0
1998 641 569 72
1997 875 837 38
1996 1203 1203 0
1995 280 280 0
1994 567 567 0
1993 185 185 0
1992 107 107 0
1991 42 42 0
1990 454 454 0
1989 43 43 0
1988 32 32 0
1987 107 107 0
1986 1 1 0
1982 14 14 0
1981 25 25 0
1978 3 3 0
1976 8 8 0
1961 5 5 0
1960 18 18 0
1959 7 7 0
1958 13 13 0
1957 97 97 0
1956 3 3 0
1955 37 37 0