Solar disk In H-alpha, August 3, 2014

Posted by mborman
on Wednesday, August 6, 2014

Taken by Mike Borman from Evansville, Indiana, USA. Some nice sunspot groups and some big filaments visible on the Sun today. Details: Televue 102iis refractor, Coronado SM90 BF30 h-alpha filter, Point Grey Research Grasshopper camera.

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