COBS Statistics page

COBS Statistics:
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Observations statistics for Thomas R. Williams (WIL01)

Total:
Number of observed comets:
(total is number of comets in COBS database)
4 of 1783
Total number of observations:
21
- Visual Observations:
21
- CCD Observations:
0

Observed comets: (4)
Total:
Visual:
CCD:
Short-period comets: (0)
0 0 0
One-apparition Short-period comets: (0)
0 0 0
Long-period comets: (4)
21 21 0

Observed comets:
Total:
Visual:
CCD:
10 10 0
6 6 0
3 3 0
2 2 0
Year:
Total:
Visual:
CCD:
1982 10 10 0
1974 3 3 0
1973 3 3 0
1970 5 5 0