Sunspots 1861, 1864, and 1865 in CaK

Posted by mborman
on Monday, October 14, 2013

Taken by Mike Borman of Evansville, Indiana.

Photo details: Televue 102iis refractor, Lunt B1200 CaK filter, 2x barlow, PGR Grasshopper 3 camera, Celestron CGE Pro mount.

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