The Sunspot Observer - Average annual indices of solar activity - Solar activity in 2023 - February, 2023

Statistics of sunspot activity

February, 2023

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	91		84	124	100	159		157						205			120	119	117	158		123							129.75	100
Wn	42		38	30	32	70		113						122			71	68	60	110		95							70.92	54.66
Ws	49		46	94	68	89		44						83			49	51	57	48		28							58.83	45.34
n	6		5	8	6	11		9						13			8	8	7	10		6							8.08	100
A	0		1	3	1	1		0						4			0	1	0	1		0							1.00	12.37
B	2		2	2	3	7		3						2			3	0	0	1		0							2.08	25.77
C	1		2	1	1	1		2						1			0	1	1	3		0							1.17	14.43
D	2		0	2	1	1		3						2			2	2	2	1		2							1.67	20.62
E	0		0	0	0	0		1						0			0	1	1	1		2							0.50	6.19
F	0		0	0	0	0		0						0			0	0	0	0		0							0.00	0.00
G	0		0	0	0	0		0						2			0	0	0	0		0							0.17	2.06
H	0		0	0	0	0		0						1			3	1	2	3		2							1.00	12.37
I	1		0	0	0	1		0						1			0	2	1	0		0							0.50	6.19
x	2		3	5	4	8		3						6			3	1	0	2		0							3.08	38.14
r	0		1	1	1	1		1						1			0	0	1	1		1							0.75	9.28
s	0		0	0	0	1		0						0			3	4	2	3		2							1.25	15.46
a	4		1	2	1	1		1						2			1	1	2	2		2							1.67	20.62
h	0		0	0	0	0		0						3			0	0	0	0		0							0.25	3.09
k	0		0	0	0	0		4						1			1	2	2	2		1							1.08	13.40
x	1		1	3	1	2		0						6			3	4	3	4		2							2.50	30.93
o	5		3	3	4	8		8						5			4	3	2	3		2							4.17	51.55
i	0		1	2	1	1		1						2			1	1	2	2		2							1.33	16.49
c	0		0	0	0	0		0						0			0	0	0	1		0							0.08	1.03
CV	57		16	49	32	52		195						227			101	151	144	161		125							109.17	100
CVn	28		5	20	20	21		142						129			77	101	98	115		96							71.00	65.04
CVs	29		11	29	12	31		53						98			24	50	46	46		29							38.17	34.96
gr	6		5	6	5	9		9						10			6	5	5	7		4							6.42	79.38
grfp	7		6	14	7	8		32						31			13	19	25	21		24							17.25	0.00
grf	24		28	28	32	39		35						41			25	17	20	34		37							30.00	0.00
efp	0		0	0	0	1		0						1			2	2	2	2		2							1.00	12.37
ef	0		0	2	1	1		0						2			0	1	0	1		0							0.67	8.25
Cond	2		3	2	1	2		4						3			4	2	1	3		4							2.58	48.33