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Sunspots and active regions on Oct 17, 1999
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Active areas

Oct 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
№ 8728N23 W2629EAO029014315BETA
№ 8729N13 W2509BXO002009314BETA
№ 8731N12 W0362FKC100017292BETA-GAMMA-DELTA
№ 8732N20 W1219EAO021013301BETA
№ 8734N17 E0801AXX000001281ALPHA
№ 8735N18 E4009BXO001005249BETA

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)
№ 8725S23 W79008
№ 8727N20 W65354
№ 8730S11 W72002
№ 8733N26 W50339