The Sunspot Observer - Average annual indices of solar activity - Solar activity in 2021 - October, 2021

Statistics of sunspot activity

October, 2021

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				30	28		24	16						15									35						101			35.57	100
Wn				19	28		24	16						15									0						25			18.14	51.00
Ws				11	0		0	0						0									35						76			17.43	49.00
n				2	2		2	1						1									2						5			2.14	100
A				0	0		1	0						0									0						0			0.14	6.67
B				0	0		0	0						0									0						2			0.29	13.33
C				0	0		1	0						1									0						0			0.29	13.33
D				0	0		0	1						0									1						2			0.57	26.67
E				0	0		0	0						0									0						0			0.00	0.00
F				0	0		0	0						0									0						0			0.00	0.00
G				1	1		0	0						0									0						0			0.29	13.33
H				0	1		0	0						0									1						0			0.29	13.33
I				1	0		0	0						0									0						1			0.29	13.33
x				0	0		1	0						0									0						2			0.43	20.00
r				0	0		0	0						0									0						0			0.00	0.00
s				2	1		0	0						0									1						1			0.71	33.33
a				0	1		0	0						0									1						0			0.29	13.33
h				0	0		1	1						1									0						1			0.57	26.67
k				0	0		0	0						0									0						1			0.14	6.67
x				1	1		1	0						0									1						1			0.71	33.33
o				1	1		1	1						1									1						1			1.00	46.67
i				0	0		0	0						0									0						3			0.43	20.00
c				0	0		0	0						0									0						0			0.00	0.00
CV				36	30		42	49						41									29						113			48.57	100
CVn				26	30		42	49						41									0						46			33.43	68.82
CVs				10	0		0	0						0									29						67			15.14	31.18
gr				1	1		1	1						1									1						4			1.43	66.67
grfp				6	3		1	5						1									7						22			6.43	47.87
grf				3	4		2	1						4									7						28			7.00	52.13
efp				1	1		0	0						0									1						1			0.57	26.67
ef				0	0		1	0						0									0						0			0.14	6.67
Cond				3	2		3	2						4									3						3			2.86	42.86