M76 Little Dumbbell Nebula
Copyright © 2014
M76, Little Dumbbell planetary nebula in the constellation Perseus. This is a narrowband image using the SHO palette where SII is mapped to red, Ha is mapped to green, and OIII is mapped to blue.
Distance: 2500 light years
Size: 1.23 light years across
Camera: SBIG ST-10XME
Telescope: Astrophysics Starfire 140 EDT F7.5
Mount: Astro-Physics Mach1 GTO with Advanced Telescope Systems portable pier
Images: 176 subexposures of 5 minutes each with 62 of red, 57 of green, & 57 of blue for a total time of 14 hours & 40 minutes.
Date: Oct 2013
Software: Camera, mount, and guider control - CCD Commander & MaximDL; calibration, stacking, & color creation in CCDStack, and further processing in Photoshop CS6.