NGC 6553
Globular cluster NGC 6553 |
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Photo from the Hubble Space Telescope | |
AladinLite | |
Constellation | Sagittarius |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 18 h 09 m 17.5 s |
declination | -25 ° 54 ′ 28 ″ |
Appearance | |
Concentration class | XI |
Brightness (visual) | 8.3 mag |
Angular expansion | 9.2 ' |
Physical data | |
Affiliation | Milky Way |
Redshift | (-82 ± 13) · 10 −6 |
Radial velocity | (-24.5 ± 4) km / s |
distance | 19.6 kLj |
history | |
discovery | William Herschel |
Discovery date | May 22, 1784 |
Catalog names | |
NGC 6553 • C 1806-259 • GCl 88 • ESO 521-SC36 • GC 4378 • H IV 12 • h 3730 |
NGC 6553 is the name of a globular cluster in the constellation Sagittarius . NGC 6553 has an apparent magnitude of 8.3 mag and an angular diameter of 9.2 '. The object was discovered by Wilhelm Herschel on May 22, 1784 .
Web links
Commons : NGC 6553 - collection of images, videos, and audio files