Celestial hemisphere:  Northern  ·  Constellation: Gemini (Gem)  ·  Contains:  7 eta Gem  ·  Gem A  ·  IC 443  ·  Sh2-248  ·  Tejat Prior  ·  The star Propus (ηGem)
The Jellyfish Nebula - IC443 in Ha and OIII, Stuart Stakoff
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The Jellyfish Nebula - IC443 in Ha and OIII

The Jellyfish Nebula - IC443 in Ha and OIII, Stuart Stakoff
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The Jellyfish Nebula - IC443 in Ha and OIII

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Description

The Jellyfish Nebula is a galactic supernova remnant (SNR) in the constellation Gemini. 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.

The bright star on the right of the image is Propus

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The Jellyfish Nebula - IC443 in Ha and OIII, Stuart Stakoff