ngc 869 and 884, the Double Cluster with the AstroTech AT8IN, 2 hours - iso 400
50% pixel view, click the image for a 100% pixel view or here for the index

The stunning double cluster, 24 five - minute subs, acquired and calibrated
with darks, flats, bad pixels, first color, and ddp in Nebulosity 2.2, curves and gradients in Photoshop.

Canon 350d Hap at prime, guided with a DSI pro and PHD on the 12 inch at f6.3
Julian, California - 19 November 2009