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IC 443 wide field in Gemini

Astrophotography from Ursa Major Observatory @ ROSA

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deeplook.at
Supernova remnant
Gem
2017-11-19
ATHOS Centro Astronómico / La Palma (900m)
Canon EF 200mm f/2.8L @ f/3.5 + mechanical stopper
Astrotrac TT320X
138x2min
4h 36min
Camera:
EOS 6D (ISO 1600)
Image acquisition by CEDIC team (Bernhard Hubl, Christoph Kaltseis, Markus Blauensteiner) Image processing by Bernhard Hubl
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50’x40’
12.0 mag
5 000  Ly
IC 443, also known as the Jellyfish Nebula, is a supernova remnant (SNR)  in the constellation Gemini. Its distance is roughly 5,000 light-years from Earth. The remnant's age is still uncertain. There is some agreement that the progenitor supernova happened between 3,000 and 30,000 years ago. IC 443 is one of the best-studied cases of supernova remnants interacting with surrounding molecular clouds. The above wide-field image shows IC 443 in the centre,  the open star cluster M35 to the north-west and the emission nebula NGC 2174 to the south-west of IC 443.