COBS Statistics page

COBS Statistics:
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Observations statistics for 2002

Total:
Number of active observers:
(total includes noncontributing observers)
286 of 2619
Number of active associations:
(total includes noncontributing associations)
12 of 16
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 1743
Total number of observations:
11622
- Visual Observations:
9186
- CCD Observations:
2436

Observed comets: (134)
Total:
Visual:
CCD:
Short-period comets: (61)
4991 3962 1029
One-apparition Short-period comets: (4)
30 28 2
Long-period comets: (69)
6601 5196 1405

Most observed comets:
Total:
Visual:
CCD:
3827 3596 231
1975 1908 67
845 732 113
767 694 73
374 308 66
316 210 106
246 190 56
239 220 19
230 135 95
229 91 138

Top observers:
Total:
Visual:
CCD:
1132 411 721
388 388 0
372 372 0
343 0 343
334 0 334
305 305 0
258 258 0
258 0 258
255 255 0
244 0 244

Top Associations:
Total:
Visual:
CCD:
2994 2647 347
2877 1877 1000
2492 2124 368
1524 803 721
674 674 0
297 297 0
279 279 0
228 228 0
124 124 0
108 108 0

Top Countries:
Total:
Visual:
CCD:
1872 1872 0
1827 1106 721
1578 390 1188
826 826 0
692 692 0
546 190 356
526 526 0
463 463 0
422 422 0
312 312 0