NGC 6569
| NGC 6569 | |
|---|---|
Hubble Space Telescope image of NGC 6569 | |
| Observation data (J2000 epoch) | |
| Class | VIII |
| Constellation | Sagittarius |
| Right ascension | 18h 13m 38.88s |
| Declination | −31° 49′ 35.2″ |
| Distance | 35.5 kly (10.9 kpc) |
| Apparent magnitude (V) | 9.47 |
| Apparent dimensions (V) | 7.0′ × 7.0′ |
| Physical characteristics | |
| Metallicity | = -0.76 dex |
| Other designations | GCl 91, ESO 456-77, VDBH 260 |
![{\displaystyle {\begin{smallmatrix}\left[{\ce {Fe}}/{\ce {H}}\right]\end{smallmatrix}}}](./4c0821bd80891e071c08e7c7ee8e022baedf522c.svg)
NGC 6569 is a globular cluster in the constellation Sagittarius. It has an apparent magnitude of about 9.5, and an apparent diameter of 7 arc minutes, and class VIII with stars of magnitude 15 and dimmer. It is about 2 degrees south east of Gamma2 Sagittarii. The globular cluster was discovered in 1784 by the astronomer William Herschel with his 18.7-inch telescope and was catalogued later in the New General Catalogue.