COBS Statistics page

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COBS Statistics:
Select Comet:

Observations statistics for 2016

Total:
Number of active observers:
(total includes noncontributing observers)
89 of 2531
Number of active associations:
(total includes noncontributing associations)
10 of 14
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 1632
Total number of observations:
3152
- Visual Observations:
1609
- CCD Observations:
1543

Observed comets: (112)
Total:
Visual:
CCD:
Short-period comets: (58)
1374 721 653
One-apparition Short-period comets: (11)
54 6 48
Long-period comets: (43)
1724 882 842

Most observed comets:
Total:
Visual:
CCD:
381 311 70
340 241 99
291 203 88
251 172 79
178 52 126
121 55 66
97 43 54
87 37 50
86 49 37
79 43 36

Top observers:
Total:
Visual:
CCD:
533 2 531
327 1 326
198 0 198
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:
1119 764 355
683 349 334
660 104 556
330 41 289
129 129 0
107 107 0
96 87 9
22 22 0
4 4 0
2 2 0

Top Countries:
Total:
Visual:
CCD:
682 348 334
608 52 556
374 374 0
294 81 213
218 122 96
198 0 198
175 82 93
129 129 0
115 115 0
98 94 4