NGC 6506

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Open star cluster
NGC 6506
AladinLite
Constellation Sagittarius
Position
equinox : J2000.0
Right ascension 17 h 59 m 53.5 s
declination -24 ° 41 ′ 07 ″
Appearance

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.

Web links

  • NGC 6506. DSO Browser, accessed August 7, 2016 .
  • NGC 6506. SIMBAD, accessed August 7, 2016 .

Individual evidence

  1. NASA / IPAC EXTRAGALACTIC DATABASE
  2. SEDS : NGC 6444
  3. Auke Slotegraaf: NGC 6506. Deep Sky Observer's Companion, accessed on August 7, 2016 (English).
  4. Seligman