NGC 659 is an open cluster in the Cassiopeia constellation. It was discovered by Caroline Herschel in 1783.[2]

NGC 659
Observation data (J2000.0 epoch)
Right ascension1h 44m 4s[1]
Declination+60° 40[1]
Distance8.2 kly[2]
Apparent magnitude (V)7.9[1]
Apparent dimensions (V)6.0[3]
Physical characteristics
Mass105 to 106 M
Radius7.5[2]
Estimated age20my[2]
Other designationsNGC 659, Cr 19, OCL 332
Associations
ConstellationCassiopeia
See also: Open cluster, List of open clusters
Map showing the location of NGC 659

References

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  1. ^ a b c "NGC 659 – Open (galactic) Cluster". Simbad. Retrieved 27 July 2015.
  2. ^ a b c d O'Meara, Stephen James (2007). Deep-Sky Companions: Hidden Treasures. Cambridge University Press. p. 48. ISBN 9780521837040.
  3. ^ Seligman, Courtney. "Celestial Atlas: NGC Objects: NGC 650 – 699". cseligman.com. Archived from the original on 4 November 2015. Retrieved 27 July 2015.
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