IC 443, the Jellyfish Nebula, is a Galactic supernova remnant, in the constellation Gemini, that occurred 8,000 years ago. It is one of the best studied cases of supernova remnants, interacting with surrounding molecular clouds. IC 443 spans about 65 light-years at an estimated distance of 5,000 light-years.
Taken from 1/17/2014 to 4/3/2014 in Chino Valley, AZ
Takahashi FSQ–106ED w/ an SBIG STF–8300 camera using AstroDon SII, Ha & OIII filters all on a Losmandy G11 mount.
Total exposure is 32.25 hrs.
For more info see...
http://bf-astro.com/ic443-2014/ic443.htm