The Sunspot Observer - Average annual indices of solar activity - Solar activity in 1991 - November, 1991

Statistics of sunspot activity

November, 1991

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				165		185																									175.00	100
Wn				45		29																									37.00	21.14
Ws				120		156																									138.00	78.86
n				9		9																									9.00	100
A				0		0																									0.00	0.00
B				3		3																									3.00	33.33
C				2		2																									2.00	22.22
D				0		1																									0.50	5.56
E				0		1																									0.50	5.56
F				0		0																									0.00	0.00
G				1		0																									0.50	5.56
H				2		2																									2.00	22.22
I				1		0																									0.50	5.56
x				3		3																									3.00	33.33
r				1		1																									1.00	11.11
s				4		2																									3.00	33.33
a				1		2																									1.50	16.67
h				0		1																									0.50	5.56
k				0		0																									0.00	0.00
x				3		2																									2.50	27.78
o				4		5																									4.50	50.00
i				2		1																									1.50	16.67
c				0		1																									0.50	5.56
CV				77		115																									96.00	100
CVn				38		18																									28.00	29.17
CVs				39		97																									68.00	70.83