M 20By astrored / November 6, 2023 M19 . . Index . . M21 Messier 20 M 20 (NGC 6514) Diffuse Nebula in Sagittarius. Trifid Nebula RA=18 02.6, Dec=-23 02. 9.0 mag, dist=5.2 kly. M20 page; DSSM page Hartmut Frommert ([email protected]) Christine Kronberg ([email protected]) Last Modification: 7 Apr 1998, 22:14 MET