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Sunspots and active regions — October 17, 2013

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Sun images

Magnetic storms online

Sun flares

Geomagnetic activity forecast

Active areas

October : 2013

Sunspots and active regions

October 17, 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


? 1861	S10 W57	13	Dhc	0350	10	167	Beta-Gamma

? 1864	S23 W45	01	Hsx	0050	01	156	Alpha

? 1865	S22 W37	03	Dso	0050	02	147	Beta-Delta

? 1867	N23 W74	02	Bxo	0010	03	183	Beta

? 1869	N18 E27	02	Dso	0020	03	082	Beta

? 1870	S13 W35	02	Bxo	0010	01	145	Beta

? 1871	N17 E32	02	Axx	0010	02	078	Alpha

? 1872	S17 E55	01	Hsx	0090	02	055	Alpha

? 1873	N11 E60	04	Cro	0030	07	049	Beta

Coordinates and other characteristics of active regions are issued for October 17, 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)


? 1860	S28 W85	196

? 1863	S17 W89	200

? 1868	N17 E09	102

Coordinates and other characteristics of active regions are issued for October 17, 2013 00:31 UT

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