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Sunspots and active regions on Apr 17, 1999
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Active areas

Apr 17, 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
№ 8512S27 W5501AXX000000244ALPHA
№ 8513S18 W4402AXX001001233ALPHA
№ 8514S32 W4703CSO003003236BETA
№ 8515S16 W3109DAO007006220BETA
№ 8516S20 E4408CAO007008145BETA
№ 8517N20 W2104BXO002003210BETA

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 W74263