Statistics of sunspot activity
April, 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 |   | 53 |   | 65 |   |   |   |   | 69 | 57 |   |   |   | 157 | 173 |   |   |   | 249 |   | 260 | 295 | 301 |   |   |   | 99 |   |   |   | 161.64 | 100 |
Wn |   | 53 |   | 65 |   |   |   |   | 52 | 41 |   |   |   | 107 | 105 |   |   |   | 116 |   | 95 | 107 | 110 |   |   |   | 47 |   |   |   | 81.64 | 50.51 |
Ws |   | 0 |   | 0 |   |   |   |   | 17 | 16 |   |   |   | 50 | 68 |   |   |   | 133 |   | 165 | 188 | 191 |   |   |   | 52 |   |   |   | 80.00 | 49.49 |
n |   | 4 |   | 5 |   |   |   |   | 5 | 4 |   |   |   | 10 | 11 |   |   |   | 14 |   | 15 | 16 | 15 |   |   |   | 7 |   |   |   | 9.64 | 100 |
A |   | 0 |   | 2 |   |   |   |   | 1 | 0 |   |   |   | 1 | 1 |   |   |   | 1 |   | 4 | 2 | 0 |   |   |   | 0 |   |   |   | 1.09 | 11.32 |
B |   | 2 |   | 1 |   |   |   |   | 0 | 2 |   |   |   | 0 | 2 |   |   |   | 4 |   | 3 | 5 | 6 |   |   |   | 1 |   |   |   | 2.36 | 24.53 |
C |   | 0 |   | 1 |   |   |   |   | 2 | 0 |   |   |   | 5 | 3 |   |   |   | 3 |   | 4 | 4 | 1 |   |   |   | 1 |   |   |   | 2.18 | 22.64 |
D |   | 1 |   | 0 |   |   |   |   | 1 | 1 |   |   |   | 2 | 2 |   |   |   | 4 |   | 3 | 5 | 7 |   |   |   | 0 |   |   |   | 2.36 | 24.53 |
E |   | 0 |   | 0 |   |   |   |   | 0 | 0 |   |   |   | 0 | 2 |   |   |   | 1 |   | 1 | 0 | 1 |   |   |   | 1 |   |   |   | 0.55 | 5.66 |
F |   | 0 |   | 0 |   |   |   |   | 0 | 0 |   |   |   | 0 | 0 |   |   |   | 0 |   | 0 | 0 | 0 |   |   |   | 0 |   |   |   | 0.00 | 0.00 |
G |   | 0 |   | 0 |   |   |   |   | 0 | 0 |   |   |   | 0 | 0 |   |   |   | 0 |   | 0 | 0 | 0 |   |   |   | 0 |   |   |   | 0.00 | 0.00 |
H |   | 0 |   | 1 |   |   |   |   | 0 | 1 |   |   |   | 1 | 1 |   |   |   | 0 |   | 0 | 0 | 0 |   |   |   | 0 |   |   |   | 0.36 | 3.77 |
I |   | 1 |   | 0 |   |   |   |   | 1 | 0 |   |   |   | 1 | 0 |   |   |   | 1 |   | 0 | 0 | 0 |   |   |   | 4 |   |   |   | 0.73 | 7.55 |
x |   | 2 |   | 3 |   |   |   |   | 1 | 2 |   |   |   | 1 | 3 |   |   |   | 5 |   | 7 | 7 | 6 |   |   |   | 1 |   |   |   | 3.45 | 35.85 |
r |   | 0 |   | 0 |   |   |   |   | 2 | 0 |   |   |   | 1 | 0 |   |   |   | 1 |   | 3 | 3 | 0 |   |   |   | 0 |   |   |   | 0.91 | 9.43 |
s |   | 2 |   | 1 |   |   |   |   | 1 | 1 |   |   |   | 5 | 3 |   |   |   | 2 |   | 1 | 0 | 2 |   |   |   | 5 |   |   |   | 2.09 | 21.70 |
a |   | 0 |   | 1 |   |   |   |   | 0 | 0 |   |   |   | 2 | 4 |   |   |   | 5 |   | 2 | 5 | 6 |   |   |   | 1 |   |   |   | 2.36 | 24.53 |
h |   | 0 |   | 0 |   |   |   |   | 0 | 1 |   |   |   | 0 | 0 |   |   |   | 0 |   | 0 | 0 | 0 |   |   |   | 0 |   |   |   | 0.09 | 0.94 |
k |   | 0 |   | 0 |   |   |   |   | 1 | 0 |   |   |   | 1 | 1 |   |   |   | 1 |   | 2 | 1 | 1 |   |   |   | 0 |   |   |   | 0.73 | 7.55 |
x |   | 1 |   | 3 |   |   |   |   | 2 | 1 |   |   |   | 3 | 2 |   |   |   | 2 |   | 4 | 2 | 0 |   |   |   | 4 |   |   |   | 2.18 | 22.64 |
o |   | 2 |   | 2 |   |   |   |   | 2 | 3 |   |   |   | 4 | 6 |   |   |   | 6 |   | 6 | 6 | 8 |   |   |   | 2 |   |   |   | 4.27 | 44.34 |
i |   | 1 |   | 0 |   |   |   |   | 1 | 0 |   |   |   | 3 | 3 |   |   |   | 5 |   | 4 | 7 | 5 |   |   |   | 1 |   |   |   | 2.73 | 28.30 |
c |   | 0 |   | 0 |   |   |   |   | 0 | 0 |   |   |   | 0 | 0 |   |   |   | 1 |   | 1 | 1 | 2 |   |   |   | 0 |   |   |   | 0.45 | 4.72 |
CV |   | 40 |   | 22 |   |   |   |   | 76 | 69 |   |   |   | 133 | 156 |   |   |   | 189 |   | 184 | 180 | 244 |   |   |   | 79 |   |   |   | 124.73 | 100 |
CVn |   | 40 |   | 22 |   |   |   |   | 48 | 44 |   |   |   | 90 | 102 |   |   |   | 94 |   | 90 | 76 | 99 |   |   |   | 38 |   |   |   | 67.55 | 54.15 |
CVs |   | 0 |   | 0 |   |   |   |   | 28 | 25 |   |   |   | 43 | 54 |   |   |   | 95 |   | 94 | 104 | 145 |   |   |   | 41 |   |   |   | 57.18 | 45.85 |
gr |   | 3 |   | 4 |   |   |   |   | 4 | 4 |   |   |   | 8 | 9 |   |   |   | 13 |   | 12 | 14 | 15 |   |   |   | 4 |   |   |   | 8.18 | 84.91 |
grfp |   | 2 |   | 3 |   |   |   |   | 10 | 5 |   |   |   | 23 | 26 |   |   |   | 41 |   | 43 | 40 | 51 |   |   |   | 12 |   |   |   | 23.27 | 36.47 |
grf |   | 10 |   | 11 |   |   |   |   | 8 | 12 |   |   |   | 32 | 35 |   |   |   | 67 |   | 64 | 93 | 100 |   |   |   | 14 |   |   |   | 40.55 | 63.53 |
efp |   | 1 |   | 0 |   |   |   |   | 0 | 0 |   |   |   | 1 | 1 |   |   |   | 0 |   | 0 | 0 | 0 |   |   |   | 3 |   |   |   | 0.55 | 5.66 |
ef |   | 0 |   | 1 |   |   |   |   | 1 | 0 |   |   |   | 1 | 1 |   |   |   | 1 |   | 3 | 2 | 0 |   |   |   | 0 |   |   |   | 0.91 | 9.43 |
Cond |   | 4 |   | 3 |   |   |   |   | 3 | 4 |   |   |   | 3 | 4 |   |   |   | 4 |   | 3 | 4 | 4 |   |   |   | 4 |   |   |   | 3.64 | 27.27 |
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