Statistics of sunspot activity
February, 1997
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 | Average | % |
W |   | 37 |   |   |   | 23 |   |   |   | 0 | 0 |   |   | 0 |   |   |   |   |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 5.45 | 100 |
Wn |   | 17 |   |   |   | 12 |   |   |   | 0 | 0 |   |   | 0 |   |   |   |   |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 2.64 | 48.33 |
Ws |   | 20 |   |   |   | 11 |   |   |   | 0 | 0 |   |   | 0 |   |   |   |   |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 2.82 | 51.67 |
n |   | 2 |   |   |   | 2 |   |   |   | 0 | 0 |   |   | 0 |   |   |   |   |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 0.36 | 100 |
A |   | 0 |   |   |   | 0 |   |   |   | 0 | 0 |   |   | 0 |   |   |   |   |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 0.00 | 0.00 |
B |   | 0 |   |   |   | 0 |   |   |   | 0 | 0 |   |   | 0 |   |   |   |   |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 0.00 | 0.00 |
C |   | 1 |   |   |   | 0 |   |   |   | 0 | 0 |   |   | 0 |   |   |   |   |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 0.09 | 25.00 |
D |   | 1 |   |   |   | 1 |   |   |   | 0 | 0 |   |   | 0 |   |   |   |   |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 0.18 | 50.00 |
E |   | 0 |   |   |   | 0 |   |   |   | 0 | 0 |   |   | 0 |   |   |   |   |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 0.00 | 0.00 |
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 |   |   |   | 0 |   |   |   | 0 | 0 |   |   | 0 |   |   |   |   |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 0.00 | 0.00 |
I |   | 0 |   |   |   | 1 |   |   |   | 0 | 0 |   |   | 0 |   |   |   |   |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 0.09 | 25.00 |
x |   | 0 |   |   |   | 0 |   |   |   | 0 | 0 |   |   | 0 |   |   |   |   |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 0.00 | 0.00 |
r |   | 2 |   |   |   | 0 |   |   |   | 0 | 0 |   |   | 0 |   |   |   |   |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 0.18 | 50.00 |
s |   | 0 |   |   |   | 2 |   |   |   | 0 | 0 |   |   | 0 |   |   |   |   |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 0.18 | 50.00 |
a |   | 0 |   |   |   | 0 |   |   |   | 0 | 0 |   |   | 0 |   |   |   |   |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 0.00 | 0.00 |
h |   | 0 |   |   |   | 0 |   |   |   | 0 | 0 |   |   | 0 |   |   |   |   |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 0.00 | 0.00 |
k |   | 0 |   |   |   | 0 |   |   |   | 0 | 0 |   |   | 0 |   |   |   |   |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 0.00 | 0.00 |
x |   | 0 |   |   |   | 1 |   |   |   | 0 | 0 |   |   | 0 |   |   |   |   |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 0.09 | 25.00 |
o |   | 0 |   |   |   | 1 |   |   |   | 0 | 0 |   |   | 0 |   |   |   |   |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 0.09 | 25.00 |
i |   | 2 |   |   |   | 0 |   |   |   | 0 | 0 |   |   | 0 |   |   |   |   |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 0.18 | 50.00 |
c |   | 0 |   |   |   | 0 |   |   |   | 0 | 0 |   |   | 0 |   |   |   |   |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 0.00 | 0.00 |
CV |   | 22 |   |   |   | 35 |   |   |   | 0 | 0 |   |   | 0 |   |   |   |   |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 5.18 | 100 |
CVn |   | 6 |   |   |   | 25 |   |   |   | 0 | 0 |   |   | 0 |   |   |   |   |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 2.82 | 54.39 |
CVs |   | 16 |   |   |   | 10 |   |   |   | 0 | 0 |   |   | 0 |   |   |   |   |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 2.36 | 45.61 |
gr |   | 2 |   |   |   | 1 |   |   |   | 0 | 0 |   |   | 0 |   |   |   |   |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 0.27 | 75.00 |
grfp |   | 5 |   |   |   | 2 |   |   |   | 0 | 0 |   |   | 0 |   |   |   |   |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 0.63 | 36.84 |
grf |   | 12 |   |   |   | 0 |   |   |   | 0 | 0 |   |   | 0 |   |   |   |   |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 1.09 | 63.16 |
efp |   | 0 |   |   |   | 1 |   |   |   | 0 | 0 |   |   | 0 |   |   |   |   |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 0.09 | 25.00 |
ef |   | 0 |   |   |   | 0 |   |   |   | 0 | 0 |   |   | 0 |   |   |   |   |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 0.00 | 0.00 |
Cond |   | 3 |   |   |   | 4 |   |   |   | 2 | 2 |   |   | 2 |   |   |   |   |   | 2 | 5 | 2 | 2 |   |   |   | 2 | 2 | 2.55 | 49.09 |
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