M20 - The Trifid Nebula

M20 - The Trifid Nebula
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M20 - The Trifid Nebula

Messier 20, also known as The Trifid Nebula is an H II region in the constellation Sagittarius around 4100 light-years from Earth.

Discovered by Charles Messier on June 5, 1764 its name means 'three-lobe'.

The object is an unusual combination of an open cluster of stars, an emission nebula, a reflection nebula and a dark nebula.

The most massive star that has formed in this region is HD 164492A, an O7.5III star with a mass more than 20 times the mass of the Sun. This star is surrounded by a cluster of approximately 3100 young stars.

Captured using the CHI-1 telescope in the Rio Hurtado Valley in Chile, South America this image was created using the M20 Pro Dataset.
SPECIFICATIONS
Telescope ..........................................................................................................................................................................................................................
Telescope
Planewave CDK24
Camera ..........................................................................................................................................................................................................................
Camera
FLI PL 9000
Location ..........................................................................................................................................................................................................................
Location
Rio Hurtado Valley, Chile, South America
Date of observation ..........................................................................................................................................................................................................................
Date of observation
14/09/2020
Filters ..........................................................................................................................................................................................................................
Filters
L, R, G, B
Processing ..........................................................................................................................................................................................................................
Processing
PixInsight & Adobe Photoshop
Credits ..........................................................................................................................................................................................................................
Credits
Telescope Live / Graham Conaty