Statistics of sunspot activity
September, 2024
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 | Average | % |
W | 176 | 200 | 181 |   |   |   | 170 | 154 |   |   | 161 | 138 | 114 |   | 105 | 110 | 131 | 103 |   |   |   | 110 |   | 124 | 140 |   | 169 |   |   | 173 | 144.65 | 100 |
Wn | 42 | 50 | 45 |   |   |   | 14 | 35 |   |   | 58 | 35 | 37 |   | 28 | 39 | 39 | 25 |   |   |   | 45 |   | 27 | 29 |   | 49 |   |   | 43 | 37.65 | 26.03 |
Ws | 134 | 150 | 136 |   |   |   | 156 | 119 |   |   | 103 | 103 | 77 |   | 77 | 71 | 92 | 78 |   |   |   | 65 |   | 97 | 111 |   | 120 |   |   | 130 | 107.00 | 73.97 |
n | 10 | 10 | 9 |   |   |   | 8 | 9 |   |   | 10 | 9 | 7 |   | 6 | 7 | 8 | 6 |   |   |   | 7 |   | 9 | 9 |   | 11 |   |   | 9 | 8.47 | 100 |
A | 1 | 2 | 4 |   |   |   | 0 | 1 |   |   | 1 | 0 | 0 |   | 1 | 0 | 0 | 0 |   |   |   | 0 |   | 0 | 0 |   | 0 |   |   | 0 | 0.59 | 6.94 |
B | 2 | 3 | 0 |   |   |   | 2 | 1 |   |   | 1 | 0 | 0 |   | 0 | 2 | 2 | 1 |   |   |   | 1 |   | 1 | 1 |   | 2 |   |   | 3 | 1.29 | 15.28 |
C | 5 | 2 | 2 |   |   |   | 3 | 4 |   |   | 2 | 4 | 3 |   | 3 | 2 | 1 | 2 |   |   |   | 0 |   | 4 | 0 |   | 3 |   |   | 3 | 2.53 | 29.86 |
D | 0 | 1 | 0 |   |   |   | 1 | 2 |   |   | 6 | 3 | 2 |   | 1 | 0 | 0 | 0 |   |   |   | 4 |   | 2 | 4 |   | 3 |   |   | 1 | 1.76 | 20.83 |
E | 2 | 2 | 0 |   |   |   | 2 | 1 |   |   | 0 | 0 | 0 |   | 1 | 1 | 2 | 2 |   |   |   | 0 |   | 0 | 0 |   | 0 |   |   | 1 | 0.82 | 9.72 |
F | 0 | 0 | 3 |   |   |   | 0 | 0 |   |   | 0 | 0 | 0 |   | 0 | 0 | 0 | 0 |   |   |   | 0 |   | 0 | 0 |   | 0 |   |   | 0 | 0.18 | 2.08 |
G | 0 | 0 | 0 |   |   |   | 0 | 0 |   |   | 0 | 0 | 0 |   | 0 | 0 | 0 | 0 |   |   |   | 1 |   | 0 | 0 |   | 0 |   |   | 0 | 0.06 | 0.69 |
H | 0 | 0 | 0 |   |   |   | 0 | 0 |   |   | 0 | 2 | 1 |   | 0 | 2 | 3 | 0 |   |   |   | 0 |   | 1 | 1 |   | 0 |   |   | 0 | 0.59 | 6.94 |
I | 0 | 0 | 0 |   |   |   | 0 | 0 |   |   | 0 | 0 | 1 |   | 0 | 0 | 0 | 1 |   |   |   | 1 |   | 1 | 3 |   | 3 |   |   | 1 | 0.65 | 7.64 |
x | 3 | 5 | 4 |   |   |   | 2 | 2 |   |   | 2 | 0 | 0 |   | 1 | 2 | 2 | 1 |   |   |   | 1 |   | 1 | 1 |   | 2 |   |   | 3 | 1.88 | 22.22 |
r | 1 | 0 | 0 |   |   |   | 0 | 1 |   |   | 0 | 0 | 0 |   | 2 | 1 | 1 | 1 |   |   |   | 0 |   | 1 | 2 |   | 2 |   |   | 0 | 0.71 | 8.33 |
s | 1 | 2 | 1 |   |   |   | 0 | 5 |   |   | 3 | 3 | 3 |   | 2 | 3 | 2 | 2 |   |   |   | 2 |   | 1 | 1 |   | 3 |   |   | 1 | 2.06 | 24.31 |
a | 2 | 1 | 2 |   |   |   | 4 | 1 |   |   | 4 | 5 | 4 |   | 1 | 1 | 0 | 0 |   |   |   | 4 |   | 6 | 5 |   | 4 |   |   | 5 | 2.88 | 34.03 |
h | 0 | 0 | 0 |   |   |   | 2 | 0 |   |   | 1 | 1 | 0 |   | 0 | 0 | 2 | 1 |   |   |   | 0 |   | 0 | 0 |   | 0 |   |   | 0 | 0.41 | 4.86 |
k | 3 | 2 | 2 |   |   |   | 0 | 0 |   |   | 0 | 0 | 0 |   | 0 | 0 | 1 | 1 |   |   |   | 0 |   | 0 | 0 |   | 0 |   |   | 0 | 0.53 | 6.25 |
x | 1 | 2 | 4 |   |   |   | 0 | 1 |   |   | 1 | 2 | 2 |   | 1 | 2 | 3 | 1 |   |   |   | 1 |   | 2 | 4 |   | 3 |   |   | 1 | 1.82 | 21.53 |
o | 7 | 5 | 2 |   |   |   | 4 | 7 |   |   | 5 | 3 | 2 |   | 3 | 3 | 3 | 3 |   |   |   | 4 |   | 6 | 2 |   | 6 |   |   | 3 | 4.00 | 47.22 |
i | 2 | 1 | 1 |   |   |   | 4 | 1 |   |   | 4 | 4 | 2 |   | 2 | 2 | 2 | 2 |   |   |   | 2 |   | 0 | 2 |   | 2 |   |   | 5 | 2.24 | 26.38 |
c | 0 | 2 | 2 |   |   |   | 0 | 0 |   |   | 0 | 0 | 1 |   | 0 | 0 | 0 | 0 |   |   |   | 0 |   | 1 | 1 |   | 0 |   |   | 0 | 0.41 | 4.86 |
CV | 166 | 164 | 158 |   |   |   | 163 | 114 |   |   | 161 | 155 | 112 |   | 65 | 64 | 175 | 143 |   |   |   | 123 |   | 98 | 118 |   | 118 |   |   | 88 | 128.53 | 100 |
CVn | 9 | 7 | 4 |   |   |   | 41 | 27 |   |   | 58 | 61 | 28 |   | 16 | 17 | 17 | 6 |   |   |   | 43 |   | 13 | 17 |   | 16 |   |   | 11 | 23.00 | 17.89 |
CVs | 157 | 157 | 154 |   |   |   | 122 | 87 |   |   | 103 | 94 | 84 |   | 49 | 47 | 158 | 137 |   |   |   | 80 |   | 85 | 101 |   | 102 |   |   | 77 | 105.53 | 82.11 |
gr | 9 | 9 | 6 |   |   |   | 8 | 8 |   |   | 9 | 8 | 5 |   | 5 | 5 | 5 | 5 |   |   |   | 7 |   | 7 | 7 |   | 9 |   |   | 8 | 7.06 | 83.33 |
grfp | 23 | 32 | 27 |   |   |   | 27 | 19 |   |   | 27 | 25 | 18 |   | 17 | 9 | 21 | 13 |   |   |   | 19 |   | 20 | 19 |   | 23 |   |   | 16 | 20.88 | 35.68 |
grf | 52 | 67 | 61 |   |   |   | 63 | 44 |   |   | 33 | 22 | 24 |   | 27 | 29 | 27 | 29 |   |   |   | 21 |   | 12 | 29 |   | 34 |   |   | 66 | 37.65 | 64.32 |
efp | 0 | 0 | 0 |   |   |   | 0 | 0 |   |   | 0 | 1 | 2 |   | 0 | 2 | 3 | 1 |   |   |   | 0 |   | 2 | 2 |   | 2 |   |   | 1 | 0.94 | 11.11 |
ef | 1 | 1 | 3 |   |   |   | 0 | 1 |   |   | 1 | 0 | 0 |   | 1 | 0 | 0 | 0 |   |   |   | 0 |   | 0 | 0 |   | 0 |   |   | 0 | 0.47 | 5.56 |
Cond | 2 | 1 | 3 |   |   |   | 3 | 2 |   |   | 3 | 2 | 1 |   | 3 | 2 | 1 | 2 |   |   |   | 4 |   | 3 | 2 |   | 3 |   |   | 4 | 2.41 | 51.76 |
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