COBS Statistics page

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COBS Statistics:
Select Comet:

Observations statistics for 2000

Total:
Number of active observers:
(total includes noncontributing observers)
238 of 2544
Number of active associations:
(total includes noncontributing associations)
11 of 15
Number of active countries:
(total includes noncontributing countries)
34 of 250
Number of observed comets:
(total is number of comets in COBS database)
109 of 1658
Total number of observations:
4178
- Visual Observations:
2865
- CCD Observations:
1313

Observed comets: (109)
Total:
Visual:
CCD:
Short-period comets: (61)
861 462 399
One-apparition Short-period comets: (2)
8 5 3
Long-period comets: (46)
3309 2398 911

Most observed comets:
Total:
Visual:
CCD:
1210 1045 165
344 241 103
255 155 100
249 231 18
211 82 129
204 157 47
121 100 21
108 57 51
104 42 62
103 88 15

Top observers:
Total:
Visual:
CCD:
334 151 183
294 0 294
284 284 0
255 0 255
156 156 0
151 151 0
130 130 0
125 0 125
101 38 63
87 87 0

Top Associations:
Total:
Visual:
CCD:
1205 848 357
1112 767 345
882 488 394
401 212 189
236 236 0
156 156 0
104 104 0
45 45 0
17 0 17
11 0 11

Top Countries:
Total:
Visual:
CCD:
1075 234 841
685 496 189
372 372 0
258 168 90
237 237 0
197 152 45
183 161 22
170 170 0
133 133 0
109 109 0