NGC 6342
| NGC 6342 | |
|---|---|
NGC 6342 as seen through the Hubble Space Telescope | |
| Observation data (J2000 epoch) | |
| Class | IV |
| Constellation | Ophiuchus |
| Right ascension | 17h 21m 10.1s |
| Declination | −19° 35′ 15″ |
| Apparent magnitude (V) | 9.66 |
| Apparent dimensions (V) | 4.40′ |
| Physical characteristics | |
| Absolute magnitude | −6.42 |
| Metallicity | = −0.55 dex |
| Other designations | GCL 61 and ESO 587-SC6 |
![{\displaystyle {\begin{smallmatrix}\left[{\ce {Fe}}/{\ce {H}}\right]\end{smallmatrix}}}](./4c0821bd80891e071c08e7c7ee8e022baedf522c.svg)
NGC 6342 is a globular cluster located in the constellation Ophiuchus. Its Shapley–Sawyer Concentration Class is IV, and it was discovered by the German-born British astronomer William Herschel on 28 May 1786. It is at a distance of 28,000 light years away from Earth.
NGC 6342 is classified as metal-rich, yet has only one generation of stars.