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COBS Statistics:
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Observations statistics for C/1989 T1

Total:
Number of active observers:
(total includes noncontributing observers)
43 of 2668
Number of active associations:
(total includes noncontributing associations)
5 of 17
Number of active countries:
(total includes noncontributing countries)
15 of 250
Total number of observations:
220
- Visual Observations:
220
- CCD Observations:
0

Top observers:
Total:
Visual:
CCD:
21 21 0
19 19 0
17 17 0
17 17 0
16 16 0
16 16 0
16 16 0
11 11 0
6 6 0
6 6 0
6 6 0
6 6 0
5 5 0
5 5 0
4 4 0
4 4 0
3 3 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
2 2 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
1 1 0
1 1 0
1 1 0
1 1 0
1 1 0
1 1 0
1 1 0

Top Associations:
Total:
Visual:
CCD:
67 67 0
61 61 0
37 37 0
36 36 0
19 19 0

Top Countries:
Total:
Visual:
CCD:
70 70 0
33 33 0
33 33 0
19 19 0
12 12 0
11 11 0
10 10 0
9 9 0
6 6 0
4 4 0
4 4 0
3 3 0
2 2 0
2 2 0
2 2 0