The Sunspot Observer - Average annual indices of solar activity - Solar activity in 2013 - February, 2013

Statistics of sunspot activity

February, 2013

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								65					73			24	63	91		106			48						67.14	100
Wn								65					49			11	36	34		53			23						38.71	57.66
Ws								0					24			13	27	57		53			25						28.43	42.34
n								4					6			2	4	6		7			4						4.71	100
A								0					3			0	0	0		2			0						0.71	15.15
B								1					1			0	1	1		0			1						0.71	15.15
C								0					0			1	2	1		4			0						1.14	24.24
D								2					1			0	0	1		1			1						0.86	18.18
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								0					0			0	0	0		0			0						0.00	0.00
H								0					0			0	0	0		0			0						0.00	0.00
I								1					1			1	1	3		0			2						1.30	27.27
x								1					4			0	1	1		2			1						1.44	30.30
r								0					0			0	0	1		0			0						0.14	23.03
s								2					1			1	2	1		3			2						1.71	36.36
a								1					1			1	1	3		1			0						1.14	24.24
h								0					0			0	0	0		1			0						0.14	23.03
k								0					0			0	0	0		0			1						0.14	23.03
x								1					4			1	1	3		2			2						2.00	42.42
o								2					2			1	1	2		4			2						2.00	42.42
i								1					0			0	2	1		1			0						0.71	15.15
c								0					0			0	0	0		0			0						0.00	0.00
CV								56					34			18	33	51		95			65						50.29	100
CVn								56					31			10	14	19		74			53						36.71	73.01
CVs								0					3			8	19	32		21			12						13.57	26.99
gr								3					4			1	3	4		5			2						3.14	66.67
grfp								11					2			1	3	12		15			2						6.57	35.66
grf								13					9			2	19	17		19			4						11.86	64.34
efp								1					1			1	1	2		0			2						1.14	24.24
ef								0					1			0	0	0		2			0						0.42	9.09
Cond								3					3			3	1	2		4			3						2.71	45.71