The Sunspot Observer - Average annual indices of solar activity - Solar activity in 2017 - December, 2017

Statistics of sunspot activity

December, 2017

Visual indices of solar activity by author's observations

Date01020304050607080910111213141516171819202122232425262728293031Average%
W         012     0    27        07.80100
Wn         00     0    27        05.4069.23
Ws         012     0    0        02.4030.77
n         01     0    1        00.40100
A         00     0    0        00.000.00
B         01     0    0        00.2050.00
C         00     0    0        00.000.00
D         00     0    1        00.2050.00
E         00     0    0        00.000.00
F         00     0    0        00.000.00
G         00     0    0        00.000.00
H         00     0    0        00.000.00
I         00     0    0        00.000.00
x         01     0    0        00.2050.00
r         00     0    0        00.000.00
s         00     0    0        00.000.00
a         00     0    1        00.2050.00
h         00     0    0        00.000.00
k         00     0    0        00.000.00
x         00     0    0        00.000.00
o         01     0    0        00.2050.00
i         00     0    1        00.2050.00
c         00     0    0        00.000.00
CV         02     0    22        04.80100
CVn         00     0    22        04.4091.67
CVs         02     0    0        00.408.33
gr         01     0    1        00.40100.00
grfp         00     0    6        01.2031.58
grf         02     0    11        02.6068.42
efp         00     0    0        00.000.00
ef         00     0    0        00.000.00
Cond         32     3    3        43.0040.00