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Sunspots and active regions on Apr 28, 2001
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Active areas

Apr 28, 2001
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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
№ 9431S10 W8501Axx000000200Alpha
№ 9433N17 W3845Fki091024153Beta-Gamma-Delta
№ 9435S20 W8003Cao016006195Beta
№ 9436S10 W0601Hsx016002121Alpha
№ 9437N09 W0505Cao003003120Beta
№ 9439S20 W5501Hrx002001170Alpha
№ 9440N08 E0506Dro003004110Beta
№ 9441N08 E3815Dao015007077Beta
№ 9442N28 E4701Hsx006001068Alpha
№ 9443S10 E2103Bxo001003094Beta

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)
№ 9438S13 W17133