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Sunspots and active regions on Jan 17, 1999
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Active areas

Jan 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
№ 8437N10 W1101HSX008002305ALPHA
№ 8439S24 E2831EAI027015266BETA
№ 8440N19 E2931EAI036012265BETA-GAMMA
№ 8441N17 E0003BXO001003294BETA

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)
№ 8431S27 W84019
№ 8434S26 W66001
№ 8436S30 W27322
№ 8438S18 W41336