COBS Statistics page

COBS Statistics:
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Observations statistics for 2004

Total:
Number of active observers:
(total includes noncontributing observers)
280 of 2668
Number of active associations:
(total includes noncontributing associations)
14 of 17
Number of active countries:
(total includes noncontributing countries)
34 of 250
Number of observed comets:
(total is number of comets in COBS database)
101 of 1783
Total number of observations:
10616
- Visual Observations:
8693
- CCD Observations:
1923

Observed comets: (101)
Total:
Visual:
CCD:
Short-period comets: (43)
1459 758 701
One-apparition Short-period comets: (7)
83 5 78
Long-period comets: (50)
9073 7929 1144

Most observed comets:
Total:
Visual:
CCD:
3428 3165 263
1620 1405 215
1342 1323 19
1159 1092 67
423 331 92
399 317 82
300 180 120
273 239 34
155 80 75
135 68 67

Top observers:
Total:
Visual:
CCD:
955 239 716
383 0 383
360 360 0
312 312 0
279 0 279
276 74 202
269 269 0
262 262 0
252 252 0
229 229 0

Top Associations:
Total:
Visual:
CCD:
2300 2052 248
2274 2200 74
2070 1583 487
1651 552 1099
819 819 0
423 423 0
387 387 0
360 360 0
147 147 0
60 45 15

Top Countries:
Total:
Visual:
CCD:
1735 636 1099
1381 1179 202
1187 657 530
791 791 0
613 613 0
583 583 0
526 526 0
420 417 3
370 370 0
365 365 0