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Sunspots and active regions on Apr 18, 2001
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Active areas

Apr 18, 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
№ 9420S07 W8301Axx000000330Alpha
№ 9422S13 W5403Bxo001003301Beta
№ 9424S15 W8502Bxo002001332Beta
№ 9426S08 W4004Bxo001002287Beta
№ 9429N08 E2301Hax008002224Alpha
№ 9430S17 W4606Cro003007293Beta
№ 9431S10 E4902Axx001001198Alpha

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 W78325