Statistics of sunspot activity
The sunspot indices
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The solar regions
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October, 2014
Visual indices of solar activity by author's observations
Date
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Average
%