IC 443 Jellyfish Nebula

Supernova Rennant

C 443 (also known as the Jellyfish Nebula and Sharpless 248 (Sh2-248)) is a galactic supernova remnant (SNR) in the constellation Gemini. On the plane of the sky, it is located near the star Eta Geminorum. Its distance is roughly 5,000 light years from Earth.

IC 443 may be the remains of a supernova that occurred 3,000 - 30,000 years ago. The same supernova event likely created the neutron star CXOU J061705.3+222127, the collapsed remnant of the stellar core. IC 443 is one of the best-studied cases of supernova remnants interacting with surrounding molecular clouds.


 Technical Data

Bortle Scale / SQM-L Bortle  5  / 20.05 - 20.24 - 20.12
Period December  2019
Primary Scope CCA -250/1250  FSQ106 ((for OIII Signal) 
Camera IMX 445, kaf8300 (for OIII Signal) 
Mount AP 1100 GTO CP4
Exposure Time 8h
Composition HRGBOIII
Location Val Imagna (Bergamo) Italy 


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