NGC 6541 NGC 6541, imaged by the Hubble Space Telescope Observation data (J2000 epoch) Class III[1] Constellation Corona Australis Right ascension 18h 08m 02.36s[2] Declination –43° 42′ 53.6″[2] Distance 22.8 kly (7.0 kpc)[3] Apparent magnitude (V) 6.3 Apparent dimensions (V) 15′ Physical characteristics Absolute magvitude -8.52 Mass 7005572000000000000♠5.72×105[4] M☉ Metallicity [ Fe / H ] {\displaystyle {\begin{smallmatrix}\left[{\ce {Fe}}/{\ce {H}}\right]\end{smallmatrix}}} = –1.53[5] dex Estimated age 12.93 Gyr[5] Other designations Caldwell 78