NGC 6342

NGC 6342
NGC 6342 as seen through the Hubble Space Telescope
Observation data (J2000 epoch)
Class	IV[1]
Constellation	Ophiuchus
Right ascension	17h 21m 10.1s[2]
Declination	−19° 35′ 15″[2]
Apparent magnitude (V)	9.66[1]
Apparent dimensions (V)	4.40′
Physical characteristics
Absolute magnitude	−6.42[1]
Metallicity	${\displaystyle \begin{array}{c}[\mathrm{F}\mathrm{e}/\mathrm{H}]\end{array}}$ = −0.55[3] dex
Other designations	GCL 61 and ESO 587-SC6
See also: Globular cluster, List of globular clusters

NGC 6342 is a globular cluster located in the constellation Ophiuchus. Its Shapley–Sawyer Concentration Class is IV,^[1] and it was discovered by the German-born British astronomer William Herschel on 28 May 1786.^[4] It is at a distance of 28,000 light years away from Earth.^[5][6]

NGC 6342 is classified as metal-rich, yet has only one generation of stars.^[3]

• List of NGC objects (6001–7000)
• List of NGC objects
• NGC 6366
• Messier 71

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