|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|
|Apparent magnitude (V)||+9.0|
|Apparent dimensions (V)||20′x15′|
|Notable features||Trapezium cluster|
|Designations||M43, NGC 1982,
De Mairan's Nebula
|See also: Lists of nebulae|
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.
|Wikimedia Commons has media related to Messier 43.|
- 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