NGC 6293

NGC 6293 is a globular cluster located in the constellation Ophiuchus.^[4] Its Shapley–Sawyer Concentration Class is IV.^[1] It was discovered by the American astronomer Lewis A. Swift on 8 July 1885.^[5] Like many other globular clusters, its distance is not well known; it may be anywhere from 31000^[1] to 52000 light-years away from Earth.^[6]

NGC 6293
NGC 6293 as seen through the Hubble Space Telescope
Observation data (J2000 epoch)
Class	IV[1]
Constellation	Ophiuchus
Right ascension	17h 10m 10.42s[2]
Declination	−26° 34′ 54.2″[2]
Distance	31000 ly[1] (9500 pc)
Apparent magnitude (V)	9.02[2]
Apparent dimensions (V)	7.9′ × 7.9′[1]
Physical characteristics
Metallicity	${\displaystyle {\begin{smallmatrix}\left[{\ce {Fe}}/{\ce {H}}\right]\end{smallmatrix}}}$ = -1.99[3] dex
Other designations	GCl 55, VDBH 215[2]
See also: Globular cluster, List of globular clusters