M43 (nebula)
(Redirected from Diffuse Nebula M43)
De Mairan's Nebula (also known as M43 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.
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Categories: H II regions | Messier objects | NGC objects | Orion constellation