NGC 2477

NGC 2477
Open cluster NGC 2477 in Puppis
Observation data (J2000 epoch)
Right ascension07h 52m 09.8s[1]
Declination−38° 32′ 00″[1]
Distance~ 3600 ly[2] (~ 1100 pc[2])
Apparent magnitude (V)5.8[1]
Apparent dimensions (V)27′[1]
Physical characteristics
Other designationsCaldwell 71, Cr 165
Associations
ConstellationPuppis
See also: Open cluster, List of open clusters

NGC 2477 (also known as Caldwell 71 or the Termite Hole Cluster[3]) is an open cluster in the constellation Puppis. It contains about 300 stars,[4] and was discovered by Abbé Lacaille in 1751.[4][5] The cluster's age has been estimated at 700 million years.[4]

  1. ^ a b c d Cite error: The named reference ngc-ic-project was invoked but never defined (see the help page).
  2. ^ a b Cite error: The named reference burnham was invoked but never defined (see the help page).
  3. ^ Stoyan, Ronald; Schurig, Stephan (2014). interstellarum Deep Sky Atlas. Erlangen: Cambridge University Press; Oculum-Verlag GmbH. ISBN 978-1-107-50338-0. OCLC 920437579.
  4. ^ a b c "NGC 2477". SEDS Messier Objects Database. Retrieved 2010-12-13.
  5. ^ Jones, K. G. (March 1969). "The search for the nebulae - VI". Journal of the British Astronomical Association. 79: 213–222. Bibcode:1969JBAA...79..213J.