COBS Statistics page

COBS Statistics:
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Observations statistics for 2016

Total:
Number of active observers:
(total includes noncontributing observers)
104 of 2609
Number of active associations:
(total includes noncontributing associations)
12 of 16
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 1740
Total number of observations:
3662
- Visual Observations:
2070
- CCD Observations:
1592

Observed comets: (120)
Total:
Visual:
CCD:
Short-period comets: (60)
1741 1062 679
One-apparition Short-period comets: (15)
64 6 58
Long-period comets: (44)
1855 1001 854

Most observed comets:
Total:
Visual:
CCD:
474 402 72
364 264 100
312 224 88
281 200 81
182 54 128
123 55 68
119 65 54
114 87 27
105 72 33
104 67 37

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:
1092 739 353
950 371 579
690 356 334
410 119 291
159 159 0
107 107 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