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Sunspots and active regions on Apr 18, 2013
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Active areas

sunspots

Sunspots and active regions

The following regions with sunspots can be now observed on the Sun's surface
Group numberSunspots Location on the SunThe number of spots in the groupThe classification by the Zurich's modified systemArea (millions of shares of the solar hemisphere)Group length (in degrees)Carrington Longitude (in degrees)Group's magnet type
№ 1719N10 W7903Cso005004075Beta
№ 1721S17 W6105Cso012006057Beta
№ 1722S19 W4806Dao009006044Beta
№ 1723S18 W0521Dai020008001Beta
№ 1724S26 E1904Cso004002336Beta

H-alpha plages without spots

No H-alpha plages without spots can be currently observed on the Sun's surface