Jerry Fish NebulaLarger Image
Jerry Fish Nebula, IC443, Supernova Remnant in Gemini
IC443, a supernova remnant in Gemini, is called "Jerry Fish Nebula" because of its shape. It produced by a supernova explosion occured about 30,000 year ago. You can see a bright star near the IC443. It's ETA Geminorum, a red giant variable star that range between magnitudes 3.1 and 3.9.
Optics: Takahashi TOA130 Telescope, NJP Mount
Camera: SBIG STL-11000M, Astronomik LRGB filter and Halpha filter
Exposure: Luminance=160minutes, R=20min, G=20min, B=20min, Halpha=40min
Software: StellaImage6, PhotoshopCS4
Location: Hattouji Park, Okayama Prefecture, 2008