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COBS Statistics:
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Observations statistics for Donald E. Machholz (MAC)

Total:
Number of observed comets:
(total is number of comets in COBS database)
41 of 1783
Total number of observations:
519
- Visual Observations:
519
- CCD Observations:
0

Observed comets: (41)
Total:
Visual:
CCD:
Short-period comets: (15)
324 324 0
One-apparition Short-period comets: (0)
0 0 0
Long-period comets: (26)
195 195 0

Observed comets:
Total:
Visual:
CCD:
139 139 0
74 74 0
22 22 0
20 20 0
18 18 0
15 15 0
15 15 0
14 14 0
14 14 0
13 13 0
13 13 0
12 12 0
11 11 0
11 11 0
10 10 0
9 9 0
9 9 0
9 9 0
8 8 0
8 8 0
7 7 0
7 7 0
7 7 0
6 6 0
6 6 0
6 6 0
5 5 0
4 4 0
4 4 0
3 3 0
3 3 0
3 3 0
2 2 0
2 2 0
2 2 0
2 2 0
2 2 0
1 1 0
1 1 0
1 1 0
1 1 0
Year:
Total:
Visual:
CCD:
2007 57 57 0
1992 22 22 0
1989 16 16 0
1988 21 21 0
1987 5 5 0
1986 117 117 0
1985 113 113 0
1984 34 34 0
1983 53 53 0
1982 4 4 0
1981 22 22 0
1980 32 32 0
1979 3 3 0
1978 20 20 0