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 2003

Total:
Number of active observers:
(total includes noncontributing observers)
196 of 2621
Number of active associations:
(total includes noncontributing associations)
12 of 16
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 1744
Total number of observations:
7137
- Visual Observations:
4494
- CCD Observations:
2643

Observed comets: (104)
Total:
Visual:
CCD:
Short-period comets: (43)
1502 759 743
One-apparition Short-period comets: (3)
6 6 0
Long-period comets: (58)
5629 3729 1900

Most observed comets:
Total:
Visual:
CCD:
949 723 226
905 863 42
657 612 45
630 443 187
602 431 171
408 337 71
380 351 29
227 102 125
221 21 200
217 96 121

Top observers:
Total:
Visual:
CCD:
1637 159 1478
382 0 382
225 0 225
205 205 0
203 203 0
197 15 182
186 186 0
178 178 0
141 141 0
129 129 0

Top Associations:
Total:
Visual:
CCD:
1988 285 1703
1656 1260 396
1406 936 470
1188 1114 74
359 359 0
224 224 0
168 168 0
74 74 0
29 29 0
21 21 0

Top Countries:
Total:
Visual:
CCD:
2068 365 1703
1131 381 750
695 695 0
508 508 0
397 397 0
395 393 2
319 207 112
280 279 1
244 244 0
168 168 0