Messier 45 The Pleiades Cluster, or The Seven Sisters.

http://en.wikipedia.org/wiki/Pleiades

ABOUT THE IMAGE

DATE/TIME:  Evening of November 22nd, 2014.

CAMERA:  Canon XSI, 450Da

TELESCOPE:  Orion 100ED @ F/7.65

ISO SETTING:  800

EXPOSURES:  12

EXPOSURE LENGTH:  300sec.

TOTAL EXPOSURE LENGTH:  1hr.

SUBTRACTIONS:  6 dark frames, 40 flat-frames and 16 dark-flat frames.

CAPTURE: MaximDL

STACKING/PRE-PROCESSING: Deep Sky Stacker

PROCESSING: Photoshop CS3