COBS Statistics page

COBS Statistics:
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Observations statistics for William O. Roberts (ROB04)

Total:
Number of observed comets:
(total is number of comets in COBS database)
3 of 1783
Total number of observations:
16
- Visual Observations:
16
- CCD Observations:
0

Observed comets: (3)
Total:
Visual:
CCD:
Short-period comets: (0)
0 0 0
One-apparition Short-period comets: (0)
0 0 0
Long-period comets: (3)
16 16 0

Observed comets:
Total:
Visual:
CCD:
13 13 0
2 2 0
1 1 0
Year:
Total:
Visual:
CCD:
1964 1 1 0
1963 2 2 0
1962 13 13 0