COBS Statistics page

COBS Statistics:
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Observations statistics for 2002

Total:
Number of active observers:
(total includes noncontributing observers)
296 of 2665
Number of active associations:
(total includes noncontributing associations)
13 of 17
Number of active countries:
(total includes noncontributing countries)
34 of 250
Number of observed comets:
(total is number of comets in COBS database)
134 of 1770
Total number of observations:
11731
- Visual Observations:
9295
- CCD Observations:
2436

Observed comets: (134)
Total:
Visual:
CCD:
Short-period comets: (61)
5072 4043 1029
One-apparition Short-period comets: (4)
30 28 2
Long-period comets: (69)
6629 5224 1405

Most observed comets:
Total:
Visual:
CCD:
3908 3677 231
1975 1908 67
845 732 113
785 712 73
374 308 66
316 210 106
249 193 56
239 220 19
230 135 95
229 91 138

Top observers:
Total:
Visual:
CCD:
1132 411 721
389 389 0
372 372 0
343 0 343
334 0 334
305 305 0
258 0 258
258 258 0
255 255 0
244 0 244

Top Associations:
Total:
Visual:
CCD:
2994 2647 347
2868 1868 1000
2493 2125 368
1524 803 721
674 674 0
296 296 0
279 279 0
228 228 0
124 124 0
118 118 0

Top Countries:
Total:
Visual:
CCD:
1873 1873 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
311 311 0