Abell 21 Medusa nébula en SHOrgb

Sh2-249

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Présentation (Wikipédia)


Sh2-249 est vaste région H II en forme de flamme dans la direction de l'étoile μ Geminorum; Il y a IC 443 et Ic 444 


IC 443, the Jellyfish Nebula - down right - is a supernova remnant who locate in the constellation Gemini, 8.000 years ago from Earth. IC 443 spans about 65 light-years at an estimated distance of 5,000 light-years. The large expanse, to the left and to the top of the image, is the emission nebula Sh2-249 at a distance of 5200 light years from Earth. 



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