COBS Statistics page

COBS Statistics:
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Observations statistics for W. A. Granger (GRA)

Total:
Number of observed comets:
(total is number of comets in COBS database)
9 of 1783
Total number of observations:
18
- Visual Observations:
18
- CCD Observations:
0

Observed comets: (9)
Total:
Visual:
CCD:
Short-period comets: (2)
2 2 0
One-apparition Short-period comets: (0)
0 0 0
Long-period comets: (7)
16 16 0

Observed comets:
Total:
Visual:
CCD:
4 4 0
3 3 0
3 3 0
2 2 0
2 2 0
1 1 0
1 1 0
1 1 0
1 1 0
Year:
Total:
Visual:
CCD:
1957 1 1 0
1955 6 6 0
1954 1 1 0
1953 3 3 0
1952 2 2 0
1951 4 4 0
1950 1 1 0