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Sunspots and active regions on Sep 18, 1999
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Active areas

Sep 18, 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
№ 8690N16 W7413EAO031011025BETA
№ 8692S25 W5308EAO017012004BETA
№ 8693N12 W5601HSX002001007ALPHA
№ 8695N21 W1601HSX002001327ALPHA
№ 8699N22 W5209DSO017010003BETA
№ 8700N13 E2030DAI017010291BETA
№ 8703N21 W9201AXX000001043ALPHA
№ 8704S21 E6301HSX007003248ALPHA

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)
№ 8697S20 W84038
№ 8698S16 W14328
№ 8701N18 W39352
№ 8702N22 E15297