Contains:  Solar system body or event
Huge sunspot AR 2253 by Halpha filter , 3th Jan 2015, Kiyoshi Imai

Huge sunspot AR 2253 by Halpha filter , 3th Jan 2015

Huge sunspot AR 2253 by Halpha filter , 3th Jan 2015, Kiyoshi Imai

Huge sunspot AR 2253 by Halpha filter , 3th Jan 2015

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Huge sunspot AR 2253 by Halpha filter , 3th Jan 2015, Kiyoshi Imai