Statistics of sunspot activity
January, 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 | 29 | 30 | 31 | Average | % |
W |   | 0 | 0 |   | 0 | 14 |   | 0 |   | 0 |   |   |   |   |   | 0 |   | 0 | 0 |   | 0 |   |   |   | 0 |   | 0 | 0 |   | 12 | 13 | 2.60 | 100 |
Wn |   | 0 | 0 |   | 0 | 0 |   | 0 |   | 0 |   |   |   |   |   | 0 |   | 0 | 0 |   | 0 |   |   |   | 0 |   | 0 | 0 |   | 12 | 13 | 1.67 | 64.10 |
Ws |   | 0 | 0 |   | 0 | 14 |   | 0 |   | 0 |   |   |   |   |   | 0 |   | 0 | 0 |   | 0 |   |   |   | 0 |   | 0 | 0 |   | 0 | 0 | 0.93 | 35.90 |
n |   | 0 | 0 |   | 0 | 1 |   | 0 |   | 0 |   |   |   |   |   | 0 |   | 0 | 0 |   | 0 |   |   |   | 0 |   | 0 | 0 |   | 1 | 1 | 0.20 | 100 |
A |   | 0 | 0 |   | 0 | 0 |   | 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 | 0 |   | 0 | 0 | 0.00 | 0.00 |
C |   | 0 | 0 |   | 0 | 0 |   | 0 |   | 0 |   |   |   |   |   | 0 |   | 0 | 0 |   | 0 |   |   |   | 0 |   | 0 | 0 |   | 1 | 1 | 0.13 | 66.67 |
D |   | 0 | 0 |   | 0 | 1 |   | 0 |   | 0 |   |   |   |   |   | 0 |   | 0 | 0 |   | 0 |   |   |   | 0 |   | 0 | 0 |   | 0 | 0 | 0.07 | 33.33 |
E |   | 0 | 0 |   | 0 | 0 |   | 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 | 0 |   | 0 | 0 | 0.00 | 0.00 |
G |   | 0 | 0 |   | 0 | 0 |   | 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 | 0 |   | 0 | 0 | 0.00 | 0.00 |
I |   | 0 | 0 |   | 0 | 0 |   | 0 |   | 0 |   |   |   |   |   | 0 |   | 0 | 0 |   | 0 |   |   |   | 0 |   | 0 | 0 |   | 0 | 0 | 0.00 | 0.00 |
x |   | 0 | 0 |   | 0 | 0 |   | 0 |   | 0 |   |   |   |   |   | 0 |   | 0 | 0 |   | 0 |   |   |   | 0 |   | 0 | 0 |   | 0 | 0 | 0.00 | 0.00 |
r |   | 0 | 0 |   | 0 | 1 |   | 0 |   | 0 |   |   |   |   |   | 0 |   | 0 | 0 |   | 0 |   |   |   | 0 |   | 0 | 0 |   | 0 | 1 | 0.13 | 66.67 |
s |   | 0 | 0 |   | 0 | 0 |   | 0 |   | 0 |   |   |   |   |   | 0 |   | 0 | 0 |   | 0 |   |   |   | 0 |   | 0 | 0 |   | 1 | 0 | 0.07 | 33.33 |
a |   | 0 | 0 |   | 0 | 0 |   | 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 | 0 |   | 0 | 0 | 0.00 | 0.00 |
k |   | 0 | 0 |   | 0 | 0 |   | 0 |   | 0 |   |   |   |   |   | 0 |   | 0 | 0 |   | 0 |   |   |   | 0 |   | 0 | 0 |   | 0 | 0 | 0.00 | 0.00 |
x |   | 0 | 0 |   | 0 | 0 |   | 0 |   | 0 |   |   |   |   |   | 0 |   | 0 | 0 |   | 0 |   |   |   | 0 |   | 0 | 0 |   | 0 | 0 | 0.00 | 0.00 |
o |   | 0 | 0 |   | 0 | 1 |   | 0 |   | 0 |   |   |   |   |   | 0 |   | 0 | 0 |   | 0 |   |   |   | 0 |   | 0 | 0 |   | 1 | 1 | 0.20 | 100.00 |
i |   | 0 | 0 |   | 0 | 0 |   | 0 |   | 0 |   |   |   |   |   | 0 |   | 0 | 0 |   | 0 |   |   |   | 0 |   | 0 | 0 |   | 0 | 0 | 0.00 | 0.00 |
c |   | 0 | 0 |   | 0 | 0 |   | 0 |   | 0 |   |   |   |   |   | 0 |   | 0 | 0 |   | 0 |   |   |   | 0 |   | 0 | 0 |   | 0 | 0 | 0.00 | 0.00 |
CV |   | 0 | 0 |   | 0 | 13 |   | 0 |   | 0 |   |   |   |   |   | 0 |   | 0 | 0 |   | 0 |   |   |   | 0 |   | 0 | 0 |   | 11 | 5 | 1.93 | 100 |
CVn |   | 0 | 0 |   | 0 | 0 |   | 0 |   | 0 |   |   |   |   |   | 0 |   | 0 | 0 |   | 0 |   |   |   | 0 |   | 0 | 0 |   | 11 | 5 | 1.07 | 55.17 |
CVs |   | 0 | 0 |   | 0 | 13 |   | 0 |   | 0 |   |   |   |   |   | 0 |   | 0 | 0 |   | 0 |   |   |   | 0 |   | 0 | 0 |   | 0 | 0 | 0.87 | 44.83 |
gr |   | 0 | 0 |   | 0 | 1 |   | 0 |   | 0 |   |   |   |   |   | 0 |   | 0 | 0 |   | 0 |   |   |   | 0 |   | 0 | 0 |   | 1 | 1 | 0.20 | 100.00 |
grfp |   | 0 | 0 |   | 0 | 3 |   | 0 |   | 0 |   |   |   |   |   | 0 |   | 0 | 0 |   | 0 |   |   |   | 0 |   | 0 | 0 |   | 1 | 1 | 0.33 | 55.56 |
grf |   | 0 | 0 |   | 0 | 1 |   | 0 |   | 0 |   |   |   |   |   | 0 |   | 0 | 0 |   | 0 |   |   |   | 0 |   | 0 | 0 |   | 1 | 2 | 0.27 | 44.44 |
efp |   | 0 | 0 |   | 0 | 0 |   | 0 |   | 0 |   |   |   |   |   | 0 |   | 0 | 0 |   | 0 |   |   |   | 0 |   | 0 | 0 |   | 0 | 0 | 0.00 | 0.00 |
ef |   | 0 | 0 |   | 0 | 0 |   | 0 |   | 0 |   |   |   |   |   | 0 |   | 0 | 0 |   | 0 |   |   |   | 0 |   | 0 | 0 |   | 0 | 0 | 0.00 | 0.00 |
Cond |   | 3 | 4-3 |   | 2 | 2-3 |   | 2 |   | 3 |   |   |   |   |   | 3 |   | 2 | 3 |   | 3-4 |   |   |   | 2 |   | 2 | 2-3 |   | 3 | 3 | 2.67 | 46.67 |
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