COBS Statistics page

COBS Statistics:
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Observations statistics for 2014

Total:
Number of active observers:
(total includes noncontributing observers)
103 of 2609
Number of active associations:
(total includes noncontributing associations)
13 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)
145 of 1740
Total number of observations:
5697
- Visual Observations:
3485
- CCD Observations:
2212

Observed comets: (145)
Total:
Visual:
CCD:
Short-period comets: (64)
1140 391 749
One-apparition Short-period comets: (12)
145 31 114
Long-period comets: (69)
4412 3063 1349

Most observed comets:
Total:
Visual:
CCD:
828 751 77
813 676 137
496 374 122
425 348 77
275 238 37
261 170 91
243 172 71
166 110 56
151 49 102
107 33 74

Top observers:
Total:
Visual:
CCD:
847 0 847
515 515 0
400 0 400
355 37 318
227 227 0
223 209 14
221 221 0
205 98 107
181 46 135
181 181 0

Top Associations:
Total:
Visual:
CCD:
1707 874 833
1679 781 898
780 640 140
571 571 0
293 103 190
281 174 107
232 189 43
73 73 0
26 26 0
22 22 0

Top Countries:
Total:
Visual:
CCD:
1021 124 897
768 628 140
755 37 718
566 566 0
522 522 0
470 456 14
367 168 199
303 196 107
171 129 42
112 102 10