IC443 - IC444. The Jellyfish Nebula, Supernova Remnant in Gemini
The Jellyfish nebula (IC443) in Gemini is a supernova remnant that is from 8000 years ago (3.000 - 30.000). Although it shares some characteristics with other supernova remnants like the Crab nebula, in this case, the gas threads do hot show a regular outward expansion. The nebular area on the bottom of the image is IC444. The more prominent stars are Mu and Eta Geminorum.
Credit: Antonio Perez Astronomia
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