Cocoon Nebula (IC 5146)

Here is a larger version (1362x998 pixels).


The Cocoon nebula is an emission/reflection nebula approx. 3.9 degrees east of the open cluster M39 in Cygnus.



Camera :  Starlight Xpress SXV-H9 CCD camera
Telescope :  Vixen R200SS (8" f/4 Newtonian with coma corrector)
Filter :  Astronomik RGB
Mount :  Losmandy G-11
Guiding :  SBIG ST-4
Date :  2005 Oct. 29
Exposure :  RG: 8x5 min, B: 10x5 min. Time did not permit the acquisition of a sufficient number of L frames, so for now it's just a straight RGB image.
Site :  Schöbendorf, Brandenburg, Germany
Processing :  Bias, dark frame, flat field correction, registration and digital development: IRAF; post-processing: Gimp


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