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Sunspots and active regions — April 18, 2007

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Sun images

Magnetic storms online

Sun flares

Geomagnetic activity forecast

Active areas

April : 2007

Sunspots and active regions

April 18, 2007

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


? 952	S08 W73	02	Hrx	0020	02	202	Alpha

Coordinates and other characteristics of active regions are issued for April 18, 2007 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)


? 951	S12 W08	137

Coordinates and other characteristics of active regions are issued for April 18, 2007 00:31 UT

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