COBS Statistics page

COBS Statistics:
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Observations statistics for 2008

Total:
Number of active observers:
(total includes noncontributing observers)
121 of 2621
Number of active associations:
(total includes noncontributing associations)
11 of 16
Number of active countries:
(total includes noncontributing countries)
29 of 250
Number of observed comets:
(total is number of comets in COBS database)
75 of 1744
Total number of observations:
4079
- Visual Observations:
3617
- CCD Observations:
462

Observed comets: (75)
Total:
Visual:
CCD:
Short-period comets: (46)
2051 1859 192
One-apparition Short-period comets: (3)
10 10 0
Long-period comets: (26)
2018 1748 270

Most observed comets:
Total:
Visual:
CCD:
565 536 29
543 538 5
458 456 2
305 259 46
200 165 35
191 191 0
189 161 28
176 148 28
167 158 9
161 140 21

Top observers:
Total:
Visual:
CCD:
478 478 0
269 269 0
238 238 0
194 23 171
155 155 0
154 154 0
118 118 0
104 104 0
94 94 0
93 93 0

Top Associations:
Total:
Visual:
CCD:
1075 962 113
1016 836 180
852 852 0
506 427 79
213 212 1
183 183 0
178 89 89
21 21 0
15 15 0
11 11 0

Top Countries:
Total:
Visual:
CCD:
848 848 0
483 390 93
358 358 0
324 324 0
279 191 88
270 269 1
246 246 0
243 243 0
227 138 89
198 27 171