Statistics of sunspot activity
February, 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 | Average | % |
W | | 113 | | 142 | | | | | | 147 | 134 | | | 117 | 141 | | | 80 | | 68 | 58 | 45 | 100 | 137 | 122 | 142 | | 119 | 116 | 111.31 | 100 |
Wn | | 74 | | 75 | | | | | | 50 | 42 | | | 63 | 64 | | | 37 | | 45 | 47 | 45 | 64 | 99 | 80 | 114 | | 92 | 93 | 67.75 | 60.86 |
Ws | | 39 | | 67 | | | | | | 97 | 92 | | | 54 | 77 | | | 43 | | 23 | 11 | 0 | 36 | 38 | 42 | 28 | | 27 | 23 | 43.56 | 39.14 |
n | | 7 | | 9 | | | | | | 9 | 7 | | | 6 | 9 | | | 5 | | 5 | 3 | 2 | 6 | 9 | 7 | 7 | | 6 | 7 | 6.50 | 100 |
A | | 1 | | 0 | | | | | | 3 | 0 | | | 0 | 0 | | | 0 | | 1 | 1 | 0 | 0 | 3 | 1 | 0 | | 0 | 0 | 0.63 | 9.62 |
B | | 0 | | 1 | | | | | | 0 | 0 | | | 0 | 2 | | | 2 | | 1 | 0 | 0 | 1 | 1 | 1 | 1 | | 1 | 2 | 0.81 | 12.50 |
C | | 1 | | 4 | | | | | | 2 | 1 | | | 1 | 1 | | | 0 | | 1 | 0 | 0 | 1 | 0 | 1 | 2 | | 0 | 0 | 0.94 | 14.42 |
D | | 4 | | 3 | | | | | | 0 | 1 | | | 0 | 0 | | | 0 | | 0 | 0 | 0 | 1 | 2 | 1 | 1 | | 2 | 2 | 1.06 | 16.35 |
E | | 0 | | 1 | | | | | | 0 | 0 | | | 2 | 1 | | | 0 | | 1 | 0 | 0 | 0 | 1 | 1 | 0 | | 0 | 0 | 0.44 | 6.73 |
F | | 0 | | 0 | | | | | | 1 | 1 | | | 1 | 1 | | | 1 | | 0 | 1 | 1 | 1 | 0 | 0 | 1 | | 1 | 1 | 0.69 | 10.58 |
G | | 0 | | 0 | | | | | | 0 | 0 | | | 0 | 1 | | | 0 | | 1 | 0 | 0 | 0 | 0 | 0 | 0 | | 0 | 0 | 0.13 | 1.92 |
H | | 1 | | 0 | | | | | | 1 | 1 | | | 0 | 1 | | | 1 | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | 0 | 0 | 0.31 | 4.81 |
I | | 0 | | 0 | | | | | | 2 | 3 | | | 2 | 2 | | | 1 | | 0 | 1 | 1 | 2 | 2 | 2 | 2 | | 2 | 2 | 1.50 | 23.08 |
x | | 1 | | 1 | | | | | | 3 | 0 | | | 0 | 2 | | | 2 | | 2 | 1 | 0 | 1 | 4 | 2 | 1 | | 1 | 2 | 1.44 | 22.12 |
r | | 2 | | 4 | | | | | | 2 | 1 | | | 2 | 2 | | | 0 | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | 0 | 1 | 0.88 | 13.46 |
s | | 3 | | 2 | | | | | | 3 | 3 | | | 1 | 2 | | | 2 | | 2 | 1 | 1 | 3 | 2 | 2 | 2 | | 2 | 2 | 2.06 | 31.73 |
a | | 1 | | 1 | | | | | | 0 | 2 | | | 1 | 2 | | | 0 | | 0 | 0 | 0 | 1 | 2 | 2 | 3 | | 2 | 0 | 1.06 | 16.35 |
h | | 0 | | 0 | | | | | | 0 | 0 | | | 0 | 0 | | | 0 | | 1 | 0 | 0 | 0 | 0 | 0 | 0 | | 0 | 0 | 0.06 | 0.96 |
k | | 0 | | 1 | | | | | | 1 | 1 | | | 2 | 1 | | | 1 | | 0 | 1 | 1 | 1 | 1 | 1 | 1 | | 1 | 2 | 1.00 | 15.38 |
x | | 2 | | 0 | | | | | | 6 | 4 | | | 2 | 3 | | | 2 | | 1 | 2 | 1 | 2 | 5 | 3 | 2 | | 2 | 2 | 2.44 | 37.50 |
o | | 4 | | 6 | | | | | | 2 | 1 | | | 1 | 4 | | | 2 | | 3 | 0 | 0 | 3 | 3 | 3 | 3 | | 1 | 4 | 2.50 | 38.46 |
i | | 1 | | 1 | | | | | | 0 | 1 | | | 2 | 1 | | | 1 | | 1 | 1 | 0 | 0 | 0 | 0 | 1 | | 2 | 0 | 0.75 | 11.54 |
c | | 0 | | 2 | | | | | | 1 | 1 | | | 1 | 1 | | | 0 | | 0 | 0 | 1 | 1 | 1 | 1 | 1 | | 1 | 1 | 0.81 | 12.50 |
CV | | 95 | | 150 | | | | | | 100 | 121 | | | 146 | 133 | | | 72 | | 94 | 59 | 67 | 112 | 120 | 106 | 115 | | 123 | 143 | 109.75 | 100 |
CVn | | 71 | | 40 | | | | | | 8 | 30 | | | 75 | 55 | | | 58 | | 91 | 58 | 67 | 75 | 88 | 76 | 97 | | 111 | 131 | 70.69 | 64.41 |
CVs | | 24 | | 110 | | | | | | 92 | 91 | | | 71 | 78 | | | 14 | | 3 | 1 | 0 | 37 | 32 | 30 | 18 | | 12 | 12 | 39.06 | 35.59 |
gr | | 7 | | 9 | | | | | | 4 | 5 | | | 5 | 7 | | | 4 | | 4 | 2 | 2 | 4 | 4 | 4 | 5 | | 5 | 6 | 4.81 | 74.04 |
grfp | | 21 | | 23 | | | | | | 18 | 25 | | | 29 | 21 | | | 8 | | 9 | 12 | 12 | 18 | 27 | 29 | 36 | | 29 | 19 | 21.00 | 47.06 |
grf | | 22 | | 29 | | | | | | 34 | 37 | | | 27 | 28 | | | 21 | | 8 | 15 | 13 | 20 | 15 | 20 | 34 | | 29 | 26 | 23.63 | 52.94 |
efp | | 0 | | 0 | | | | | | 3 | 2 | | | 1 | 2 | | | 1 | | 0 | 0 | 0 | 2 | 2 | 2 | 2 | | 1 | 1 | 1.19 | 18.27 |
ef | | 0 | | 0 | | | | | | 2 | 0 | | | 0 | 0 | | | 0 | | 1 | 1 | 0 | 0 | 3 | 1 | 0 | | 0 | 0 | 0.50 | 7.69 |
Cond | | 3 | | 3 | | | | | | 2 | 3 | | | 3 | 2 | | | 3 | | 3 | 2 | 1 | 2 | 2 | 1 | 3 | | 3 | 4 | 2.50 | 50.00 |
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