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Sunspots and active regions on Oct 21, 1999
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Active areas

Oct 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
№ 8728N24 W8303CAO011005319BETA
№ 8731N14 W5545EKI044013291BETA-GAMMA
№ 8732N22 W6423FAI017017300BETA
№ 8734N20 W4605BXO001004282BETA
№ 8735N18 W1903BXO001003255BETA
№ 8736S25 W0602AXX001001242ALPHA
№ 8737S16 E0117DAO007008235BETA
№ 8738N16 E2802AXX001000208ALPHA
№ 8739S14 E7103CAO005009165BETA

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)
№ 8729N16 W75312