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February : 2013
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Diary

Diary's archive

Active areas

Feb 28, 2013
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
№ 1680S29 E1104Bxo001004271Beta
№ 1681N17 E3303Cso004003249Beta
№ 1682S18 W1713Dai011007299Beta-Gamma
№ 1683S17 E7901Hsx009002203Alpha

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)
№ 1673S10 W90013
№ 1676S18 W67350
№ 1677S28 W72355
№ 1679S10 W62345

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