COBS Statistics page

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COBS Statistics:
Select Comet:

Observations statistics for 2008

Total:
Number of active observers:
(total includes noncontributing observers)
120 of 2550
Number of active associations:
(total includes noncontributing associations)
10 of 15
Number of active countries:
(total includes noncontributing countries)
29 of 250
Number of observed comets:
(total is number of comets in COBS database)
75 of 1682
Total number of observations:
4060
- Visual Observations:
3598
- CCD Observations:
462

Observed comets: (75)
Total:
Visual:
CCD:
Short-period comets: (46)
2041 1849 192
One-apparition Short-period comets: (3)
10 10 0
Long-period comets: (26)
2009 1739 270

Most observed comets:
Total:
Visual:
CCD:
558 529 29
549 544 5
447 445 2
300 254 46
201 166 35
191 191 0
189 161 28
175 147 28
167 158 9
161 140 21

Top observers:
Total:
Visual:
CCD:
478 478 0
269 269 0
238 238 0
194 23 171
155 155 0
154 154 0
118 118 0
104 104 0
94 94 0
93 93 0

Top Associations:
Total:
Visual:
CCD:
1323 1210 113
1017 837 180
852 852 0
236 157 79
231 230 1
183 183 0
178 89 89
16 16 0
15 15 0
9 9 0

Top Countries:
Total:
Visual:
CCD:
848 848 0
483 390 93
358 358 0
324 324 0
288 287 1
279 191 88
246 246 0
243 243 0
227 138 89
198 27 171