Copyright © 2012
SH2-88 the Emission Nebula in the constellation Vulpecula
This is a narrowband image using the HOS CFHT palette where Ha is red, OIII is green, and SII is blue.
Distance: 6500 light years
Camera: SBIG ST-10XME
Telescope: Astrophysics Starfire 140 EDT F7.5
Mount: Astro-Physics Mach1 GTO with Advanced Telescope Systems portable pier
Images: 38 subexposures of 15 minutes each with 17 of Ha in red, 15 of OIII in green, and 16 of SII in blue for a total of 9 hours & 30 minutes.
Date: May 2012
Software: Camera, mount, and guider control - CCD Commander & MaximDL; calibration, stacking, & RGB creation in CCDStack, and further processing in Photoshop CS6.