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Sunspots and active regions on Apr 17, 2001
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Active areas

Apr 17, 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
№ 9418N27 W8405Eao012013344Beta
№ 9420S06 W7101Hrx002001331Alpha
№ 9422S12 W4304Cso001002303Beta
№ 9424S16 W7204Cro002003332Beta
№ 9426S08 W2705Cso002004287Beta
№ 9427S06 W7902Hsx002003339Alpha
№ 9429N09 E3601Hsx009002224Alpha
№ 9430S16 W3305Dro003005293Beta

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)
№ 9428N14 W65325