COBS Statistics page

COBS Statistics:
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Observations statistics for 2010

Total:
Number of active observers:
(total includes noncontributing observers)
104 of 2665
Number of active associations:
(total includes noncontributing associations)
13 of 17
Number of active countries:
(total includes noncontributing countries)
26 of 250
Number of observed comets:
(total is number of comets in COBS database)
98 of 1770
Total number of observations:
4240
- Visual Observations:
2788
- CCD Observations:
1452

Observed comets: (98)
Total:
Visual:
CCD:
Short-period comets: (44)
2520 1718 802
One-apparition Short-period comets: (18)
264 103 161
Long-period comets: (36)
1456 967 489

Most observed comets:
Total:
Visual:
CCD:
931 698 233
448 376 72
429 381 48
369 315 54
296 289 7
272 140 132
190 106 84
115 87 28
81 14 67
65 64 1

Top observers:
Total:
Visual:
CCD:
693 81 612
350 36 314
268 268 0
184 184 0
178 0 178
173 173 0
158 158 0
154 154 0
123 123 0
123 66 57

Top Associations:
Total:
Visual:
CCD:
1018 652 366
986 356 630
762 749 13
506 218 288
429 288 141
373 373 0
69 69 0
39 27 12
21 21 0
19 19 0

Top Countries:
Total:
Visual:
CCD:
1079 449 630
627 339 288
388 71 317
372 372 0
371 171 200
269 269 0
228 228 0
227 227 0
173 173 0
159 147 12