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Sunspots and active regions on Feb 28, 1999
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Active areas

Feb 28, 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
№ 8470S23 E0401HSX003001097ALPHA
№ 8471N29 E0114DSO008009100BETA
№ 8472N30 E2709BXO001007074BETA
№ 8473N18 W0402BXO000002105BETA
№ 8474S24 W3802BXO001003139BETA
№ 8475N32 E4305BXO001003058BETA

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)
№ 8467N15 W75176