COBS Statistics page

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COBS Statistics:
Select Comet:

Observations statistics for 2002

Total:
Number of active observers:
(total includes noncontributing observers)
285 of 2543
Number of active associations:
(total includes noncontributing associations)
11 of 15
Number of active countries:
(total includes noncontributing countries)
33 of 250
Number of observed comets:
(total is number of comets in COBS database)
134 of 1655
Total number of observations:
11700
- Visual Observations:
9252
- CCD Observations:
2448

Observed comets: (134)
Total:
Visual:
CCD:
Short-period comets: (61)
5014 3984 1030
One-apparition Short-period comets: (4)
31 28 3
Long-period comets: (69)
6655 5240 1415

Most observed comets:
Total:
Visual:
CCD:
3849 3618 231
2006 1939 67
847 733 114
769 696 73
373 307 66
316 210 106
250 194 56
239 220 19
232 136 96
229 91 138

Top observers:
Total:
Visual:
CCD:
1143 411 732
392 392 0
372 372 0
344 0 344
334 0 334
305 305 0
258 258 0
258 0 258
255 255 0
244 0 244

Top Associations:
Total:
Visual:
CCD:
2995 2648 347
2772 1771 1001
2602 2234 368
1535 803 732
739 739 0
299 299 0
279 279 0
228 228 0
125 125 0
102 102 0

Top Countries:
Total:
Visual:
CCD:
1876 1876 0
1838 1106 732
1578 390 1188
891 891 0
692 692 0
547 190 357
526 526 0
463 463 0
422 422 0
314 314 0