COBS Statistics page

COBS Statistics:
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Observations statistics for 2005

Total:
Number of active observers:
(total includes noncontributing observers)
187 of 2609
Number of active associations:
(total includes noncontributing associations)
12 of 16
Number of active countries:
(total includes noncontributing countries)
30 of 250
Number of observed comets:
(total is number of comets in COBS database)
94 of 1740
Total number of observations:
7164
- Visual Observations:
5348
- CCD Observations:
1816

Observed comets: (94)
Total:
Visual:
CCD:
Short-period comets: (42)
2147 1273 874
One-apparition Short-period comets: (8)
119 10 109
Long-period comets: (44)
4898 4065 833

Most observed comets:
Total:
Visual:
CCD:
3352 3122 230
717 583 134
256 78 178
256 177 79
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
48 48 0

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