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Messier Index/M43
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200px De Mairan's Nebula (M43) Messier 43 Orion Reflection and Emission w:J2000 05 35.6 -05 16 1.6 w:kly +9.0 20′x15′ Trapezium cluster M43, NGC 1982,De Mairan's Nebula
Messier 43 (also known as M43, De Mairan's Nebula, and NGC 1982) is an w:H II region in the w:Orion constellation. It was discovered by w:Jean-Jacques Dortous de Mairan before w:1731. The De Mairan's Nebula is part of the w:Orion Nebula, separated from the main nebula by a lane of w:dust. It is part of the much larger w:Orion Molecular Cloud Complex.
External links
Messier 43 Messier 43
The De Mairan's Nebula @ SEDS Messier pages