NGC 6506
AladinLite | |
Constellation | Sagittarius |
Position equinox : J2000.0 |
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Right ascension | 17 h 59 m 53.5 s |
declination | -24 ° 41 ′ 07 ″ |
Appearance
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classification | III2p |
Physical data | |
history | |
Discovered by | John Herschel |
Discovery time | July 29, 1834 |
Catalog names | |
NGC 6506 • ESO 521-SC6 • GC 4352 • h 3717 • OCL 16 |
NGC 6506 is an open star cluster (type definition "III2p") in the constellation Sagittarius . It was discovered on July 29, 1834 by John Herschel with an 18-inch reflector telescope, which showed "a very loose but very rich cluster, which fills many fields. Stars small ”noted.