Crescent Nebula, NGC 6888 in Hubble Palette
Copyright 2011
Larry Phillips
Crescent Nebula, NGC 6888, emission/reflection nebula in the constellation Cygnus in the Hubble color palette (SHO).

Distance: 5000 light years.
Size: N/A
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 with 15 min. subexposures of 27 Ha, 23 OIII, and
                 21 SII for a total exposure time of 17 hours & 45 minutes.
Date: June 2009
Software: Camera, mount, and guider control - CCD Commander & MaximDL, calibration and stacking - CCDStack, further processing in Photoshop CS4.