COBS Statistics page

COBS Statistics:
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Observations statistics for D. M. Brierley (BRI02)

Total:
Number of observed comets:
(total is number of comets in COBS database)
12 of 1783
Total number of observations:
114
- Visual Observations:
114
- CCD Observations:
0

Observed comets: (12)
Total:
Visual:
CCD:
Short-period comets: (1)
1 1 0
One-apparition Short-period comets: (0)
0 0 0
Long-period comets: (11)
113 113 0

Observed comets:
Total:
Visual:
CCD:
30 30 0
24 24 0
18 18 0
16 16 0
13 13 0
3 3 0
3 3 0
2 2 0
2 2 0
1 1 0
1 1 0
1 1 0
Year:
Total:
Visual:
CCD:
1990 2 2 0
1974 1 1 0
1973 2 2 0
1970 74 74 0
1968 31 31 0
1963 3 3 0
1962 1 1 0