M101 taken by ALAN ERICKSON of HIGHLANDS RANCH

Posted by ALAN ERICKSON on May 22, 2014

M101 taken by ALAN ERICKSON of HIGHLANDS RANCH on 05/05/2013 with a QSI 540wsg camera through a Intes 7″ f/4 Mak-Newt.

Imaged over several nights. 20 min L, 90 min each RGB, 60 min Ha. Stacked in Maxim DL, post-processed in Photoshop.