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Sunspots and active regions on Apr 18, 1999
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Active areas

Apr 18, 1999
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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
№ 8512S24 W6901HSX001001245ALPHA
№ 8514S30 W5809EAO008011234BETA
№ 8515S16 W4408DAO003008220BETA
№ 8516S20 E3005CAO008009146BETA
№ 8517N22 W3603CSO003007212BETA
№ 8518S16 E6602HAX006002110ALPHA
№ 8519N17 W3301HRX001001209ALPHA

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)
№ 8511S15 W87263
№ 8513S18 W57233