M43 = NGC1982 ( 5h35.6m -5°16´, 9 mag. )
The Great Orion Nebula is visible to the naked eye below Orion's Belt. It was discovered by Peiresc in 1611. Messier observed it on March 4, 1769.
M43 part of the Orion Nebula, de Mairan's Nebula
Description: diffuse nebula
Constellation: Orion
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M43 is also located in the constellation of Orion, and is actually part of M42, the Orion Nebula. It is visually separated from the rest of M42 by an impressive dark lane of dense dust. The dust actually lies between the nebula and us.
M43 (NGC 1982) is a detached part of the Orion Nebula, with a ninth magnitude central star. A dark lane of gas separates M43 from M42, although the two are actually part of the same vast cloud.
Next: M43
The Orion Nebula is one of the most interesting objects in the sky.
The Orion Nebula (M42 and M43) is a huge, nearby, turbulent gas cloud (mostly hydrogen) that is lit up by bright, young hot stars (including the asterism called Trapezium) that are developing within the nebula.
NGC 1976, M42 and M43, the Orion nebula
AAT 29. The Trapezium stars in the Orion nebula
AAT 34. The NGC 1973, 75, 77 reflection nebula in Orion
AAT 36. NGC 2023 and the Horsehead nebula
AAT 94. The Red Rectangle
AAT 19.
The (M42 and M43) is a huge, nearby, turbulent gas cloud (mostly hydrogen) that is lit up by bright, young hot stars (including the called ) that are developing within the nebula. This is located about 1,500 light-years away from us towards the of .
M42 - The Great Orion Nebula (with M43)
The Sword of Orion
M42, M43, The Running Man, and NGC 1981
Around October 21 each year the famous ...
Besides these nebulae, surveying Orion with a small telescope will reveal a wealth of interesting deep sky objects, including Barnard's Loop, M43, M78 and the Flame Nebula (NGC 2024).
Some of the better known dusty regions in the universe are the diffuse nebula in the Messier catalog, for example: M1, M8, M16, M17, M20, M42, M43 Messier Catalog ...
To the naked eye the nebula appears to be a faint star but becomes a vague patch of light when viewed through binoculars. The bright region is divided into two sections, the northeast portion being cataloged separately as M43 or NGC 1982.
 See also: Nebula, Orion, M42, Orion Nebula, Constellation
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