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Sunspots and active regions on May 21, 1999
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Active areas

May 21, 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
№ 8542S18 W4501HSX003001144ALPHA
№ 8544S20 W2028EAO014014119BETA
№ 8545N36 E0105CKO032006098BETA
№ 8548S20 E0816CSO005009091BETA
№ 8549N24 W6307CAO012007162BETA
№ 8550S14 E7004CSO012010029BETA

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)
№ 8540S29 W89188
№ 8541N21 W91190
№ 8543N06 W50149