IC 5146 Cocoon Nebula

Object	IC 5146 – The Cocoon Nebula in Cygnus
Date & Location	20 February 2006 – Lovettsville, VA N 39° 16' 21" W 77° 38' 11" Temperature ???, Seeing ??? -??? FWHM
Telescope	TMB 130SS Refractor, F/7 on a Paramount ME MKS4000, Prime Focus, Image scale 1.68 arcsec/pixel
Camera	SBIG STL-11000M camera w/SBIG LRGB filters
Exposure Times	Luminance 2.8 hours (34 x 5 min.), unbinned, -15°C Red - 1 hour (12 x 5 min.), unbinned, -15°C Green - 1 hour (12 x 5 min.), unbinned, -15°C Blue - 1 hour (12 x 5 min.), binned 1x1, -15°C
Other Information	Guiding: WO 80mm f/6.9 refractor and SBIG remote guide camera Image acquisition and guiding – CCDAutoPilot & MaxIm DL 4.04 Focus – Feathertouch Motorfocus w/FocusMax
Image Processing	Master dark frame: 30 min (6 x 5 min.), sigma-reject combined Dark and flat frame reduction in MaxIm DL 4.04 Luminance images combined in MaxIm DL 4.04 Color images average-combined in MaxIm DL 4.04 LRGB-combined in MaxIm DL 4.04 Post-Processing in Photoshop CS

Astro Images by Jason Providakes