COBS Statistics page

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COBS Statistics:
Select Comet:

Observations statistics for 2003

Total:
Number of active observers:
(total includes noncontributing observers)
195 of 2546
Number of active associations:
(total includes noncontributing associations)
11 of 15
Number of active countries:
(total includes noncontributing countries)
30 of 250
Number of observed comets:
(total is number of comets in COBS database)
104 of 1673
Total number of observations:
7212
- Visual Observations:
4499
- CCD Observations:
2713

Observed comets: (104)
Total:
Visual:
CCD:
Short-period comets: (43)
1513 761 752
One-apparition Short-period comets: (3)
6 6 0
Long-period comets: (58)
5693 3732 1961

Most observed comets:
Total:
Visual:
CCD:
969 721 248
901 859 42
654 609 45
646 452 194
606 434 172
412 338 74
378 349 29
231 104 127
222 21 201
219 97 122

Top observers:
Total:
Visual:
CCD:
1690 159 1531
382 0 382
242 0 242
208 208 0
203 203 0
197 15 182
186 186 0
178 178 0
141 141 0
129 129 0

Top Associations:
Total:
Visual:
CCD:
2058 285 1773
1763 1367 396
1276 806 470
1218 1144 74
384 384 0
224 224 0
168 168 0
77 77 0
20 20 0
18 18 0

Top Countries:
Total:
Visual:
CCD:
2138 365 1773
1131 381 750
698 698 0
533 533 0
397 397 0
395 393 2
323 211 112
280 279 1
244 244 0
168 168 0