COBS Statistics page

COBS Statistics:
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Observations statistics for 2005

Total:
Number of active observers:
(total includes noncontributing observers)
199 of 2670
Number of active associations:
(total includes noncontributing associations)
13 of 17
Number of active countries:
(total includes noncontributing countries)
31 of 250
Number of observed comets:
(total is number of comets in COBS database)
94 of 1786
Total number of observations:
7246
- Visual Observations:
5415
- CCD Observations:
1831

Observed comets: (94)
Total:
Visual:
CCD:
Short-period comets: (42)
2156 1273 883
One-apparition Short-period comets: (8)
120 10 110
Long-period comets: (44)
4970 4132 838

Most observed comets:
Total:
Visual:
CCD:
3419 3189 230
721 583 138
259 177 82
256 78 178
248 175 73
208 105 103
165 141 24
161 104 57
130 68 62
129 126 3

Top observers:
Total:
Visual:
CCD:
1135 0 1135
367 162 205
242 242 0
236 236 0
207 207 0
184 5 179
176 176 0
154 154 0
150 150 0
149 149 0

Top Associations:
Total:
Visual:
CCD:
1806 466 1340
1535 1520 15
1428 1136 292
1217 1049 168
458 458 0
280 280 0
140 140 0
136 136 0
99 99 0
82 67 15

Top Countries:
Total:
Visual:
CCD:
1757 417 1340
842 427 415
628 618 10
614 614 0
469 469 0
391 356 35
353 353 0
318 318 0
257 257 0
193 192 1