COBS Statistics page

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COBS Statistics:
Select Comet:

Observations statistics for 2016

Total:
Number of active observers:
(total includes noncontributing observers)
90 of 2540
Number of active associations:
(total includes noncontributing associations)
11 of 15
Number of active countries:
(total includes noncontributing countries)
25 of 250
Number of observed comets:
(total is number of comets in COBS database)
112 of 1651
Total number of observations:
3215
- Visual Observations:
1668
- CCD Observations:
1547

Observed comets: (112)
Total:
Visual:
CCD:
Short-period comets: (58)
1385 731 654
One-apparition Short-period comets: (11)
54 6 48
Long-period comets: (43)
1776 931 845

Most observed comets:
Total:
Visual:
CCD:
388 318 70
358 259 99
295 207 88
278 199 79
179 52 127
121 55 66
97 43 54
87 37 50
86 49 37
79 42 37

Top observers:
Total:
Visual:
CCD:
533 2 531
327 1 326
199 0 199
166 166 0
166 166 0
131 130 1
109 2 107
101 14 87
97 0 97
80 80 0

Top Associations:
Total:
Visual:
CCD:
1080 723 357
683 349 334
660 104 556
332 41 291
133 133 0
107 107 0
96 87 9
57 57 0
41 41 0
22 22 0

Top Countries:
Total:
Visual:
CCD:
682 348 334
608 52 556
374 374 0
294 81 213
218 122 96
199 0 199
178 82 96
133 133 0
115 115 0
98 94 4