Trifid Nebula

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Trifid Nebula
Emission nebula
H II region
reflection nebula an dark nebula
Trifid.nebula.arp.750pix.jpg
Trifid Nebula bi the Hubble Space Telescope
Credit: NASA/ESA
Observation data: J2000 epoch
Richt ascension 18h 02m 23s[1]
Declination −23° 01′ 48″[1]
Distance 5200[2] ly   (1,600 pc)
Apparent magnitude (V) +6.3[1]
Apparent dimensions (V) 28 arcmins
Constellation Sagittarius
Designations M20, NGC 6514,[1] Sharpless 30, RCW 147, Gum 76
See also: Leets o nebulae

The Trifid Nebula (catalogued as Messier 20 or M20 an as NGC 6514) is an H II region locatit in Sagittarius.

References[eedit | eedit soorce]

  1. 1.0 1.1 1.2 1.3 "SIMBAD Astronomical Database". Results for NGC 6514. Retrieved 2006-11-16. 
  2. "Star formation in the Trifid Nebula" (PDF). Astronomy & Astrophysics. 489: 157–171. 2008. arXiv:0809.2023Freely accessible. Bibcode:2008A&A...489..157L. doi:10.1051/0004-6361:200810079. Retrieved 2011-10-09. 

Coordinates: Sky map 18h 02m 23s, −23° 01′ 48″