< Messier Index
Messier 43

De Mairan's Nebula (M43)
Observation data: w:J2000 epoch
Type Reflection and Emission
Right ascension 05h 35.6m
Declination -05° 16′
Distance 1.6 w:kly
Apparent magnitude (V) +9.0
Apparent dimensions (V) 20′x15′
Constellation Orion
Physical characteristics
Notable features Trapezium cluster
Other designations 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.

 
Messier Index
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