COBS Statistics page

COBS Statistics:
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Observations statistics for 1993

Total:
Number of active observers:
(total includes noncontributing observers)
134 of 2621
Number of active associations:
(total includes noncontributing associations)
10 of 16
Number of active countries:
(total includes noncontributing countries)
28 of 250
Number of observed comets:
(total is number of comets in COBS database)
59 of 1744
Total number of observations:
3111
- Visual Observations:
3096
- CCD Observations:
15

Observed comets: (59)
Total:
Visual:
CCD:
Short-period comets: (48)
1798 1784 14
One-apparition Short-period comets: (0)
0 0 0
Long-period comets: (11)
1313 1312 1

Most observed comets:
Total:
Visual:
CCD:
952 952 0
874 874 0
268 268 0
147 147 0
133 133 0
80 80 0
71 71 0
59 59 0
44 44 0
38 38 0

Top observers:
Total:
Visual:
CCD:
290 290 0
212 197 15
182 182 0
165 165 0
149 149 0
128 128 0
111 111 0
97 97 0
94 94 0
70 70 0

Top Associations:
Total:
Visual:
CCD:
1454 1454 0
463 448 15
456 456 0
248 248 0
222 222 0
185 185 0
68 68 0
8 8 0
4 4 0
3 3 0

Top Countries:
Total:
Visual:
CCD:
862 862 0
460 460 0
388 373 15
365 365 0
189 189 0
174 174 0
120 120 0
93 93 0
75 75 0
68 68 0