COBS Statistics page

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

COBS Statistics:
Select Comet:

Observations statistics for 1993

Total:
Number of active observers:
(total includes noncontributing observers)
133 of 2540
Number of active associations:
(total includes noncontributing associations)
9 of 15
Number of active countries:
(total includes noncontributing countries)
27 of 250
Number of observed comets:
(total is number of comets in COBS database)
59 of 1651
Total number of observations:
3148
- Visual Observations:
3133
- CCD Observations:
15

Observed comets: (59)
Total:
Visual:
CCD:
Short-period comets: (48)
1815 1801 14
One-apparition Short-period comets: (0)
0 0 0
Long-period comets: (11)
1333 1332 1

Most observed comets:
Total:
Visual:
CCD:
972 972 0
889 889 0
268 268 0
147 147 0
133 133 0
80 80 0
72 72 0
60 60 0
44 44 0
38 38 0

Top observers:
Total:
Visual:
CCD:
290 290 0
212 197 15
182 182 0
172 172 0
149 149 0
128 128 0
111 111 0
97 97 0
94 94 0
88 88 0

Top Associations:
Total:
Visual:
CCD:
1504 1504 0
489 489 0
463 448 15
255 255 0
185 185 0
173 173 0
68 68 0
8 8 0
3 3 0

Top Countries:
Total:
Visual:
CCD:
862 862 0
493 493 0
389 374 15
372 372 0
189 189 0
174 174 0
120 120 0
93 93 0
75 75 0
68 68 0