M 54By astrored / November 6, 2023 M53 . . Index . . M55 Messier 54 M 54 (NGC 6715) Globular Cluster in Sagittarius. RA=18 55.1, Dec=-30 29. 7.6 mag, dist=82.8 kly. M54 page; DSSM page Hartmut Frommert ([email protected]) Christine Kronberg ([email protected]) Last Modification: 7 Apr 1998, 22:14 MET