Copyright © 2010 Larry Phillips
IC443, Jelly Fish Nebual in the constellation Gemini
This nebula is a supernova remnant of a star that exploded about 8000 years ago.
This image was taken with narrowband filters of Ha, OIII, and SII using the OSH palette.
Distance: 5000 light years
Size: NA
Camera: SBIG ST-2000XM
Telescope: Astrophysics Starfire 140 EDT F7.5
Mount: Astro-Physics Mach1 GTO with Advanced Telescope Systems portable pier
Images: 74 subexposures of 15 minutes each with 24 OIII, 25 SII, and 25 Ha for a total of 18 hours and 30 minutes.
Date: February & March 2010
Software: Camera, mount, and guider control - CCD Commander & MaximDL, Calibration and stacking - CCDStack, further processing in Photoshop CS4.