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Sunspots and active regions — October 21, 2013

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Sun images

Magnetic storms online

Sun flares

Geomagnetic activity forecast

Active areas

October : 2013

Sunspots and active regions

October 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


? 1872	S17 E01	01	Hsx	0080	02	057	Alpha

? 1873	N12 E09	12	Dao	0050	09	049	Beta

? 1874	S11 W20	10	Cao	0040	06	078	Beta

? 1875	N07 E32	24	Eai	0150	11	026	Beta-Gamma

? 1877	S13 E55	08	Fho	0390	16	003	Beta-Gamma

? 1878	S10 W54	02	Bxo	0010	05	112	Beta

Coordinates and other characteristics of active regions are issued for October 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)


? 1868	N23 W44	102

? 1869	N19 W19	77

? 1870	S15 W86	144

? 1871	N16 W20	78

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

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