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Sunspots and active regions on Apr 16, 2013
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Active areas

Apr 16, 2013
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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
№ 1718N20 W8404Dai011010106Beta
№ 1719N09 W5304Cso007006076Beta
№ 1721S18 W3312Esi014011056Beta
№ 1722S21 W2405Cao003008046Beta
№ 1723S18 E2012Dac018006002Beta-Gamma
№ 1724S27 E4402Hax006002338Alpha

H-alpha plages without spots

The following H-alpha plages without spots can be currently observed on the Sun's surface
Area numberCoordinatesCarrington Longitude (in degrees)
№ 1717S12 W71095