Iris Nebula, NGC 7023 Redo
Copyright 2014
Larry Phillips
The Iris Nebula, NGC 7023 is an reflection nebula in the constellation Cepheus.

Distance: 1300 light years
Size: NA
Camera: SBIG ST-10XME
Telescope: Astrophysics Starfire 140 EDT F7.5
Mount: Astro-Physics Mach1 GTO with Advanced Telescope Systems portable pier
Images: An LRGB image with 406 subexposures with 11@10min, 40@5min, 16@2min, 76@1min for Lum, 4@10min, 36@5min, 43@1min of red, 7@10min, 36@5min, 45@1min of green, & 5@10min, 35@5min, 50@1min of blue for a total time of 20 hours & 36 minutes.
Date: October 2012
Software: Camera, mount, and guider control - CCD Commander & MaximDL; calibration, stacking, & color creation in CCDStack, and further processing in Photoshop CS6.