COBS Statistics page

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COBS Statistics:
Select Comet:

Observations statistics for 1983

Total:
Number of active observers:
(total includes noncontributing observers)
90 of 2550
Number of active associations:
(total includes noncontributing associations)
8 of 15
Number of active countries:
(total includes noncontributing countries)
21 of 250
Number of observed comets:
(total is number of comets in COBS database)
18 of 1682
Total number of observations:
2704
- Visual Observations:
2704
- CCD Observations:
0

Observed comets: (18)
Total:
Visual:
CCD:
Short-period comets: (12)
1683 1683 0
One-apparition Short-period comets: (1)
4 4 0
Long-period comets: (5)
1017 1017 0

Most observed comets:
Total:
Visual:
CCD:
651 651 0
459 459 0
395 395 0
329 329 0
256 256 0
247 247 0
165 165 0
94 94 0
62 62 0
24 24 0

Top observers:
Total:
Visual:
CCD:
363 363 0
167 167 0
164 164 0
155 155 0
144 144 0
143 143 0
128 128 0
108 108 0
105 105 0
90 90 0

Top Associations:
Total:
Visual:
CCD:
1455 1455 0
363 363 0
330 330 0
256 256 0
239 239 0
38 38 0
22 22 0
1 1 0

Top Countries:
Total:
Visual:
CCD:
548 548 0
502 502 0
329 329 0
274 274 0
240 240 0
177 177 0
169 169 0
161 161 0
105 105 0
53 53 0