Rosette Nebula, also known as Caldwell 49, CTB 21, SH 2-275, is a Multipart Nebula located inside The Monoceros Constellation. Rosette Nebula is located 5200 Light Years from Earth and has a radius of 65 Light Years. The Rosette Nebula is located inside The Milky Way Galaxy. The complex of New General Catalogues that make up Rosette Nebula are NGC 2237, NGC 2238, NGC 2239, NGC 2244 and NGC 2246. Rosette Nebula was discovered in 1784 by British-German Astronomer William Herschel.
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