IC 443, also known as Sharpless 248 (Sh2-248) or the "Jellyfish Nebula", is a supernova remnant in the constellation Gemini at distance of about 5000 light years. The actual size of the SNR is roughly 70 light years. This image spans about 5 degrees of sky. (Ten Moons side by side in the sky.)
At top Right lays an open group, Messier 35.
At bottom Right, the Sharpless object 247, Sh2-247, can be seen as a bright dot.