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Sunspots and active regions on Aug 17, 1999
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Active areas

Aug 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
№ 8662S15 W7503CSO004006089BETA
№ 8667N24 E1603BXO001003358BETA
№ 8668N23 E4008CKO041008334BETA
№ 8669S20 E1303BXO001005001BETA
№ 8671S09 W2704CRO002005041BETA

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)
№ 8664N23 W89105
№ 8665S26 W01016
№ 8670S12 W33002