NGC 6904

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Open star cluster
NGC 6904
AladinLite
Constellation Fox
Position
equinox : J2000.0
Right ascension 20 h 21 m 48.1 s
declination + 25 ° 44 ′ 29 ″
Appearance

classification OCl / StGrp?
Angular expansion 3 '
Physical data

distance  4400 ly
(1355 pc )
history
Discovered by John Herschel
Discovery time August 18, 1828
Catalog names
 NGC  6904 •  GC  4571 •  h  2074 •

NGC 6904 is an open star cluster or asterism in the constellation Vulpecula .

The object was discovered on August 18, 1828 by John Herschel .

Individual evidence

  1. NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b SEDS: NGC 6904
  3. AL Tadross: A catalog of 120 NGC open star cluster . In: Journal of the Korean Astronomical Society , 44, 2011, pp. 1-11. doi: 10.5303 / JKAS.2011.44.1.1 .
  4. Seligman