NGC 6569 | |
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Hubble Space Telescope image of NGC 6569
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Observation data (J2000 epoch) | |
Class | VIII |
Constellation | Sagittarius |
Right ascension | 18h13m 38.88s[1] |
Declination | −31° 49′ 35.2″[1] |
Distance | 35.5 kly (10.9 kpc)[2] |
Apparent magnitude (V) | 9.47[1] |
Apparent dimensions (V) | 7.0′ × 7.0′[2] |
Physical characteristics | |
Metallicity | |
Other designations | GCl 91, ESO 456-77, VDBH 260[1] |
See also: Globular cluster, List of globular clusters |
NGC 6569 is a globular cluster in the constellation Sagittarius. It has an apparent magnitude of about 9.5,[1] and an apparent diameter of 7 arc minutes, and class VIII with stars of magnitude 15 and dimmer.[2] 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.[4]
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