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Sunspots and active regions — February 21, 2013

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Sun images

Magnetic storms online

Sun flares

Geomagnetic activity forecast

Active areas

February : 2013

Sunspots and active regions

February 21, 2013

Sunspots and active regions

The following regions with sunspots can be now observed on the Sun's surface

Group number	Sunspots Location on the Sun	The number of spots in the group	The classification by the Zurich's modified system	Area (millions of shares of the solar hemisphere)	Group length (in degrees)	Carrington Longitude (in degrees)	Group's magnet type


? 1671	N16 W59	02	Hsx	0090	03	074	Alpha

? 1673	S11 E04	16	Cao	0080	08	010	Beta

? 1675	N12 W23	01	Hsx	0050	03	038	Alpha

? 1676	S19 E26	02	Cso	0050	03	348	Beta

? 1677	S28 E26	01	Axx	0010	01	349	Alpha

? 1678	N11 W54	13	Dkc	0360	08	068	Beta-Gamma-Delta

? 1679	S14 E30	01	Axx	0010	01	344	Alpha

Coordinates and other characteristics of active regions are issued for February 21, 2013 00:31 UT

H-alpha plages without spots

The following H-alpha plages without spots can be currently observed on the Sun's surface

Area number	Coordinates	Carrington Longitude (in degrees)


? 1672	S17 W85	100

? 1674	N14 W73	88

Coordinates and other characteristics of active regions are issued for February 21, 2013 00:31 UT

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