Astrophotography - Trifid Nebula (catalogued as Messier 20 or M20 and as NGC 6514)
The Trifid Nebula (catalogued as Messier 20 or M20 and as NGC 6514) is an H II region in the north-west of Sagittarius in a star-forming region in a nearby spiral arm's Scutum-centered part.[3] It was discovered by Charles Messier on June 5, 1764.[4] Its name means 'three-lobe'. The object is an unusual combination of an open cluster of stars, an emission nebula (a relatively dense, red-yellow portion), a reflection nebula (the mainly NNE blue portion), and a dark nebula (the apparent 'gaps' in the former that cause the trifurcated appearance also designated Barnard 85). Viewed through a small telescope, the Trifid Nebula is a bright and peculiar object, and is thus a perennial favorite of amateur astronomers.[5] The most massive star that has formed in this region is HD 164492A, an star with a mass more than 20 times the mass of the Sun.[6] This star is surrounded by a cluster of approximately 3100 young stars.[7
Size: 2967px × 2908px
Location: Space
Photo credit: © Jim DeLillo / Alamy / Afripics
License: Royalty Free
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