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[[File:450px-Messier 43 HST.jpg|thumb|Messier 43]] | [[File:450px-Messier 43 HST.jpg|thumb|Messier 43]] | ||
Messier 43 (also known as M43, De Mairan's Nebula, and NGC 1982) is an H II region in the [[Orion (Constellation)]]. It was discovered by Jean-Jacques Dortous de Mairan before 1731. The De Mairan's Nebula is part of the Orion Nebula, separated from the main nebula by a lane of dust. It is part of the much larger Orion Molecular Cloud Complex. | Messier 43 (also known as M43, De Mairan's Nebula, and NGC 1982) is an H II region in the [[Orion (Constellation)]]. It was discovered by Jean-Jacques Dortous de Mairan before 1731. The De Mairan's Nebula is part of the Orion Nebula, separated from the main nebula by a lane of dust. It is part of the much larger Orion Molecular Cloud Complex.<ref>[http://en.wikipedia.org/wiki/Messier_43 Messier 43]</ref> | ||