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NGC 1545

Summary

NGC 1545 is an open cluster in the constellation Perseus. It was discovered by William Herschel on December 28, 1790.[3] It is located in the north-eastern part of the constellation, a few arcminutes east of the 4.5 magnitude star b Persei, near the equally large and bright NGC 1528 (m = 6.4), which is less than 1.5° towards the northwest. However, it is less dense and rich. The brightest star of the cluster is a K5 III giant star, with 7.1 magnitude, but its membership is questionable. One more 7.9 magnitude star is visible at the north edge of the cluster.[4]

NGC 1545
NGC 1545
NGC 1545
Observation data (J2000 epoch)
Right ascension04h 20m 50s[1]
Declination+50° 15′ 12″[1]
Distance2,320 ly (711 pc[2])
Apparent magnitude (V)6.4 [1]
Apparent dimensions (V)23'
Physical characteristics
Estimated age280 millions years
Other designationsCr 49
Associations
ConstellationPerseus
See also: Open cluster, List of open clusters

References edit

  1. ^ a b c "SIMBAD Astronomical Database". Results for NGC 1545. Retrieved 2015-06-19.
  2. ^ WEBDA: NGC 1545
  3. ^ Seligman, Courtney. "NGC 1545 (= OCL 399 = "PGC 3518640")". Celestial Atlas. Retrieved 7 December 2018.
  4. ^ Craig Crossen & Gerald Rhemann (2012). Sky Vistas: Astronomy for Binoculars and Richest-Field Telescopes. Springer Science & Business Media. p. 95. ISBN 9783709106266. Retrieved 30 October 2015.

External links edit

  •   Media related to NGC 1545 at Wikimedia Commons