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Sunspots and active regions on Aug 17, 2013
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Active areas

Aug 17, 2013
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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
№ 1817S21 W4413Eai014012241Beta-Gamma-Delta
№ 1818S07 W1916Dki033008216Beta-Gamma-Delta
№ 1819S16 W3204Bxo001003229Beta
№ 1820S13 E2507Cro002003172Beta
№ 1822S08 E4403Cro002004153Beta
№ 1823S07 E5701Hsx013003140Alpha

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)
№ 1814S27 W60257
№ 1816S22 W63260
№ 1821N01 W50247