NGC 4656 and NGC 4657

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NGC 4656/7
NGC 4656/7. Credit: Scott Anttila.
Observation data (J2000 epoch)
ConstellationCanes Venatici[1]
Right ascension12h 43m 57.7s[2]
Declination+32° 10′ 05″[2]
Redshift646 km/s[2]
Apparent magnitude (V)11.0[2]
TypeSB(s)m pec[2]
Apparent size (V)12′.9[2]
Notable featuressimilar to SMC
Other designations
UGC 7907,[2] PGC 42863,[2] Hockey Stick Galaxies, Crowbar Galaxy

NGC 4656/57 is a highly warped barred spiral galaxy located in the constellation Canes Venatici and is sometimes informally called the Hockey Stick Galaxies or the Crowbar Galaxy. The galaxy is a member of the NGC 4631 Group. A Luminous Blue Variable in "super-outburst" was discovered in NGC 4656/57 on March 21, 2005.


See also[edit]


  1. ^ R. W. Sinnott, ed. (1988). The Complete New General Catalogue and Index Catalogue of Nebulae and Star Clusters by J. L. E. Dreyer. Sky Publishing Corporation and Cambridge University Press. ISBN 978-0-933346-51-2.
  2. ^ a b c d e f g h "NASA/IPAC Extragalactic Database". Results for NGC 4656. Retrieved 2006-04-30.
  3. ^ "The Hockey Stick Galaxy". Retrieved 31 July 2017.

External links[edit]