Cocoon Nebula, IC 5146 in Hubble Palette
Copyright © 2011
Cocoon Nebula, Emission, reflection, and absorsion nebula in the constellation Cygnus, IC 5146
Distance: 4000 light years.
Camera: SBIG ST-2000XM
Telescope: Astrophysics Starfire 140 EDT F7.5
Mount: Astro-Physics Mach1 GTO with Advanced Telescope Systems portable pier
Images: Using the narrowband CFHT color palette 46 sub images @ 15 minutes each of 18 Ha, 13 OIII, & 15 SII
for a total exposure time of 11.5 hours.
Date: October 7-9, 2008
Software: Camera, mount, and guider control - CCD Commander & MaximDL, calibration and stacking - CCDStack, further processing in Photoshop CS4.