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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