IC 5146 (also Caldwell 19, Sh 2-125, and often referred to as the Cocoon Nebula) is a reflection, emission nebula located in the constellation 'Cygnus the Swan'.  

http://en.wikipedia.org/wiki/IC_5146

ABOUT THE IMAGE

DATE/TIME:  The evenings of July 21st & 22nd, 2014.

CAMERA:  Canon XSI, 450Da

TELESCOPE:  Celestron 9.25" SCT @ F/6.3.

ISO SETTING:  800

EXPOSURES:  58

EXPOSURE LENGTH:  300sec.

TOTAL EXPOSURE LENGTH:  4hrs., 50min.

CAPTURE SOFTWARE:  MaximDL

STACKING SOFTWARE:  Deep Sky Stacker

PROCESSING:  Photoshop CS3