COBS Statistics page

COBS Statistics:
Select Comet:

Click Submit to distplay statistics for the complete database or select a comet from the list for individual comet observations statistics.

Observations statistics for 2008

Total:
Number of active observers:
(total includes noncontributing observers)
128 of 2668
Number of active associations:
(total includes noncontributing associations)
12 of 17
Number of active countries:
(total includes noncontributing countries)
30 of 250
Number of observed comets:
(total is number of comets in COBS database)
75 of 1783
Total number of observations:
4123
- Visual Observations:
3658
- CCD Observations:
465

Observed comets: (75)
Total:
Visual:
CCD:
Short-period comets: (46)
2080 1885 195
One-apparition Short-period comets: (3)
10 10 0
Long-period comets: (26)
2033 1763 270

Most observed comets:
Total:
Visual:
CCD:
565 536 29
555 550 5
466 462 4
305 259 46
205 170 35
192 192 0
192 163 29
176 148 28
168 159 9
166 145 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:
1098 985 113
1016 836 180
852 852 0
506 427 79
213 212 1
183 183 0
178 89 89
21 21 0
21 18 3
15 15 0

Top Countries:
Total:
Visual:
CCD:
848 848 0
483 390 93
358 358 0
324 324 0
293 292 1
279 191 88
246 246 0
243 243 0
227 138 89
198 27 171