| NGC 6380 | |
|---|---|
NGC 6380 as seen through the Hubble Space Telescope
| |
| Observation data (J2000 epoch) | |
| Constellation | Scorpius |
| Right ascension | 17h34m 28.00s[1] |
| Declination | −39° 04′ 09.0″[1] |
| Distance | 35,500 ly (10,900 pc)[2] |
| Apparent magnitude (V) | 11.31[3] |
| Apparent dimensions (V) | 12.1′ × 12.1′[2] |
| Physical characteristics | |
| Metallicity | ![{\displaystyle {\begin{smallmatrix}\left[{\ce {Fe}}/{\ce {H}}\right]\end{smallmatrix}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/4c0821bd80891e071c08e7c7ee8e022baedf522c) = -0.75[3] dex |
| Other designations | GCl 68, Tonantzintla 1, Pişmiş 25[1] |
| See also: Globular cluster, List of globular clusters | |
NGC 6380 is a globular cluster located in the constellation Scorpius. It was originally discovered by James Dunlop in 1826, and he named it Dun 538. Eight years later, in 1834, it was independently rediscovered by John Herschel and he named it H 3688. The cluster was re-rediscovered in 1959 by Paris Pişmiş, who catalogued it as Tonantzintla 1 — and referred to it as Pişmiş 25. Until the 1950s NGC 6380 was thought to be an open cluster. It was A. D. Thackeray who realised that it was in fact a globular cluster. Nowadays, this cluster is reliably recognised in widely available catalogues as a globular cluster, and referred to simply as NGC 6380.[2]
Media related to NGC 6380 at Wikimedia Commons
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