COBS Statistics page

COBS Statistics:
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Observations statistics for 2016

Total:
Number of active observers:
(total includes noncontributing observers)
105 of 2660
Number of active associations:
(total includes noncontributing associations)
12 of 17
Number of active countries:
(total includes noncontributing countries)
26 of 250
Number of observed comets:
(total is number of comets in COBS database)
120 of 1766
Total number of observations:
3672
- Visual Observations:
2080
- CCD Observations:
1592

Observed comets: (120)
Total:
Visual:
CCD:
Short-period comets: (60)
1748 1069 679
One-apparition Short-period comets: (15)
64 6 58
Long-period comets: (44)
1858 1004 854

Most observed comets:
Total:
Visual:
CCD:
476 404 72
364 264 100
312 224 88
281 200 81
184 56 128
123 55 68
119 65 54
114 87 27
105 98 7
105 72 33

Top observers:
Total:
Visual:
CCD:
547 2 545
327 1 326
199 0 199
180 180 0
166 166 0
166 166 0
131 130 1
109 2 107
101 14 87
97 0 97

Top Associations:
Total:
Visual:
CCD:
1100 747 353
950 371 579
690 356 334
410 119 291
159 159 0
109 109 0
97 87 10
57 57 0
48 23 25
41 41 0

Top Countries:
Total:
Visual:
CCD:
689 355 334
659 84 575
374 374 0
295 81 214
220 124 96
199 0 199
195 99 96
182 182 0
159 159 0
118 118 0