NGC 1851 A Ultraviolet image of NGC 1851. Credit: NASA/GALEX Observation data (J2000 epoch) Class II[1] Right ascension 05h 14m 06.76s[2] Declination –40° 02′ 47.6″[2] Distance 39.5 kly (12.1 kpc)[3] Apparent magnitude (V) 7.3[4] Apparent dimensions (V) 11′[4] Physical characteristics Mass 7005551000000000000♠5.51×105[5] M☉ Estimated age 9.2 Gyr[6] Other designations ESO 305-SC 016,[7] Caldwell 73