COBS Statistics page

COBS Statistics:
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Observations statistics for 2004

Total:
Number of active observers:
(total includes noncontributing observers)
267 of 2559
Number of active associations:
(total includes noncontributing associations)
12 of 15
Number of active countries:
(total includes noncontributing countries)
33 of 250
Number of observed comets:
(total is number of comets in COBS database)
101 of 1699
Total number of observations:
10570
- Visual Observations:
8662
- CCD Observations:
1908

Observed comets: (101)
Total:
Visual:
CCD:
Short-period comets: (43)
1451 761 690
One-apparition Short-period comets: (7)
82 5 77
Long-period comets: (50)
9036 7895 1141

Most observed comets:
Total:
Visual:
CCD:
3426 3163 263
1621 1406 215
1314 1295 19
1152 1085 67
424 334 90
398 319 79
299 180 119
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:
2332 1845 487
2327 2250 77
1985 1740 245
1651 552 1099
819 819 0
464 464 0
387 387 0
360 360 0
147 147 0
54 54 0

Top Countries:
Total:
Visual:
CCD:
1735 636 1099
1381 1179 202
1187 657 530
791 791 0
654 654 0
583 583 0
526 526 0
420 417 3
370 370 0
365 365 0