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Sunspots and active regions on Apr 18, 2012
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Active areas

Apr 18, 2012
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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
№ 1455N05 W7803Cao003005212Beta
№ 1459S15 E4011Dao015009094Beta
№ 1460N16 E2606Dso005004108Beta
№ 1461N13 E6601Hsx004001068Alpha
№ 1462S23 W0707Cao003004009Beta

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)
№ 1454S12 W28163
№ 1456S20 W89224
№ 1457N20 W11146
№ 1458N06 E26109