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Sunspots and active regions on Apr 04, 1999
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Active areas

Apr 4, 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
№ 8498N18 W7401HSX002001074ALPHA
№ 8504S28 E1110DSO007005349BETA
№ 8506S26 W0208BXO001004002BETA
№ 8507N12 E5805BXO001005302BETA
№ 8508N19 E7703HSX005002283ALPHA

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)
№ 8497N30 W89089
№ 8501N27 W21022
№ 8502S27 W08008
№ 8503S22 W83084