Cocoon Nebula (IC 5146)

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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 Sch÷bendorf, Brandenburg, Germany
Processing Bias, dark frame, flat field correction, registration and digital development: IRAF; post-processing: Gimp


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