COBS Statistics page

COBS Statistics:
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Observations statistics for 1980

Total:
Number of active observers:
(total includes noncontributing observers)
148 of 2621
Number of active associations:
(total includes noncontributing associations)
7 of 16
Number of active countries:
(total includes noncontributing countries)
21 of 250
Number of observed comets:
(total is number of comets in COBS database)
11 of 1744
Total number of observations:
1940
- Visual Observations:
1940
- CCD Observations:
0

Observed comets: (11)
Total:
Visual:
CCD:
Short-period comets: (4)
1126 1126 0
One-apparition Short-period comets: (0)
0 0 0
Long-period comets: (7)
814 814 0

Most observed comets:
Total:
Visual:
CCD:
632 632 0
519 519 0
355 355 0
243 243 0
131 131 0
21 21 0
20 20 0
9 9 0
6 6 0
3 3 0

Top observers:
Total:
Visual:
CCD:
126 126 0
124 124 0
98 98 0
91 91 0
91 91 0
78 78 0
69 69 0
66 66 0
64 64 0
55 55 0

Top Associations:
Total:
Visual:
CCD:
763 763 0
739 739 0
248 248 0
163 163 0
19 19 0
6 6 0
2 2 0

Top Countries:
Total:
Visual:
CCD:
520 520 0
374 374 0
332 332 0
325 325 0
59 59 0
57 57 0
55 55 0
51 51 0
41 41 0
38 38 0