COBS Statistics page

COBS Statistics:
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Observations statistics for 2006

Total:
Number of active observers:
(total includes noncontributing observers)
167 of 2621
Number of active associations:
(total includes noncontributing associations)
13 of 16
Number of active countries:
(total includes noncontributing countries)
27 of 250
Number of observed comets:
(total is number of comets in COBS database)
62 of 1744
Total number of observations:
6739
- Visual Observations:
5265
- CCD Observations:
1474

Observed comets: (62)
Total:
Visual:
CCD:
Short-period comets: (31)
4352 3190 1162
One-apparition Short-period comets: (6)
99 52 47
Long-period comets: (25)
2288 2023 265

Most observed comets:
Total:
Visual:
CCD:
1187 1174 13
1135 948 187
939 773 166
874 549 325
569 473 96
483 461 22
283 106 177
187 83 104
157 152 5
147 65 82

Top observers:
Total:
Visual:
CCD:
759 95 664
523 0 523
254 254 0
218 218 0
202 202 0
170 170 0
143 143 0
142 142 0
139 16 123
136 136 0

Top Associations:
Total:
Visual:
CCD:
1950 1282 668
1360 1281 79
1307 1107 200
882 359 523
443 443 0
348 348 0
233 233 0
125 125 0
36 36 0
34 30 4

Top Countries:
Total:
Visual:
CCD:
1048 380 668
955 955 0
953 430 523
550 328 222
517 517 0
445 445 0
345 345 0
333 333 0
314 314 0
233 233 0