Messier 43

Messier 43

Emission nebula
H II region
De Mairan's Nebula (M43) taken by the Wide Field Channel of Hubble’s Advanced Camera for Surveys.
Observation data: J2000 epoch
Right ascension	05h 35.6m
Declination	−05° 16′
Distance	1600 ly
Apparent magnitude (V)	+9.0
Apparent dimensions (V)	20′x15′
Constellation	Orion
Notable features	Trapezium cluster
Designations	M43, NGC 1982, De Mairan's Nebula

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.

External links

• The De Mairan's Nebula @ SEDS Messier pages
• Messier 43 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images