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February : 2013
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Diary

Diary's archive

Active areas

Feb 13, 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
№ 1667N22 W7701Hsx004001201Alpha
№ 1670N17 W4212Dai017008166Beta-Gamma
№ 1671N14 E4401Hsx012002078Alpha
№ 1672S18 E2501Axx001001098Alpha

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)
№ 1669N07 W45169

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