COBS Statistics page

COBS Statistics:
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Observations statistics for 1977

Total:
Number of active observers:
(total includes noncontributing observers)
180 of 2619
Number of active associations:
(total includes noncontributing associations)
7 of 16
Number of active countries:
(total includes noncontributing countries)
19 of 250
Number of observed comets:
(total is number of comets in COBS database)
7 of 1743
Total number of observations:
1232
- Visual Observations:
1232
- CCD Observations:
0

Observed comets: (7)
Total:
Visual:
CCD:
Short-period comets: (5)
111 111 0
One-apparition Short-period comets: (0)
0 0 0
Long-period comets: (2)
1121 1121 0

Most observed comets:
Total:
Visual:
CCD:
1120 1120 0
72 72 0
16 16 0
12 12 0
9 9 0
2 2 0
1 1 0

Top observers:
Total:
Visual:
CCD:
68 68 0
49 49 0
42 42 0
32 32 0
29 29 0
28 28 0
28 28 0
26 26 0
26 26 0
24 24 0

Top Associations:
Total:
Visual:
CCD:
619 619 0
471 471 0
72 72 0
58 58 0
7 7 0
4 4 0
1 1 0

Top Countries:
Total:
Visual:
CCD:
427 427 0
257 257 0
197 197 0
55 55 0
53 53 0
42 42 0
37 37 0
32 32 0
23 23 0
17 17 0