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American Relative Sunspot Numbers for September 2005
| Day |
N |
Raw Mean |
Ra |
| 1 |
40 |
23 |
18 |
| 2 |
40 |
20 |
15 |
| 3 |
32 |
14 |
11 |
| 4 |
39 |
13 |
10 |
| 5 |
35 |
13 |
10 |
| 6 |
35 |
11 |
8 |
| 7 |
33 |
16 |
13 |
| 8 |
32 |
30 |
23 |
| 9 |
31 |
43 |
32 |
| 10 |
34 |
53 |
39 |
| 11 |
34 |
57 |
44 |
| 12 |
38 |
70 |
49 |
| 13 |
38 |
72 |
51 |
| 14 |
38 |
64 |
47 |
| 15 |
36 |
58 |
42 |
| 16 |
27 |
55 |
39 |
| 17 |
34 |
58 |
41 |
| 18 |
39 |
52 |
38 |
| 19 |
42 |
37 |
26 |
| 20 |
37 |
24 |
18 |
| 21 |
42 |
22 |
17 |
| 22 |
36 |
23 |
18 |
| 23 |
35 |
27 |
19 |
| 24 |
34 |
23 |
18 |
| 25 |
25 |
25 |
19 |
| 26 |
28 |
29 |
21 |
| 27 |
38 |
25 |
19 |
| 28 |
34 |
22 |
17 |
| 29 |
32 |
21 |
16 |
| 30 |
34 |
9 |
7 |
| Means: |
35.1 |
33.6 |
24.8 |
Total No. of Observers: 59
Total No. of Observations: 1052
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Return to AAVSO Solar Committee page.
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