SH2-224 Pretzel Heart Nebula Redo
Copyright 2014
Larry Phillips
SH2-224, Pretzel Heart Nebula (My name), an super nova remnant in the constellation Auriga.
This is taken with narrowband filters using the CFHT color palette of HOS where Ha is mapped to red, OIII is mapped to green, and SII to blue

Distance: 14,700 light years
Size: N/A
Camera: SBIG ST-10XME
Telescope: Astrophysics Starfire 140 EDT F7.5
Mount: Astro-Physics Mach1 GTO with Advanced Telescope Systems portable pier
Images: 145 subexposures of 15 minutes each with 51 of Ha, 46 of SII, and 48 of OIII for a total time of 36 hours & 15 minutes.
Date: Taken over several months : Nov 2013 thru Jan 2014
Software: Camera, mount, and guider control - CCD Commander & MaximDL; calibration, stacking, & color creation in CCDStack, and further processing in Photoshop CS6.