Open Cluster NGC 559

NGC 599
NGC 599: Section of DSS2 [147]


This cluster was discovered on 9 November 1787 by William Herschel using his 18.7 inch reflecting telescope. He cataloged it as VII 48 and noted: «A compressed cluster of some pretty large and many very small stars, irregurarly round, 6 or 7' diameter.» [464] Dreyer added the cluster as NGC 559 to his «New General Catalogue» published in 1888. [313]

Physical Properties

Revised+Historic NGC/IC Version 22/9, © 2022 Dr. Wolfgang Steinicke [277]
Designation NGC 559
Type OCL (II2m)
Right Ascension (J2000.0) 01h 29m 31.0s
Declination (J2000.0) +63° 18' 06"
Diameter 7 arcmin
Visual magnitude 9.5 mag
Metric Distance 1.258 kpc
Identification, Remarks WH VII 48; h 124; GC 330; OCL 322

Finder Chart

The cluster NGC 559 is located in the constellation Cassiopeia. The best viewing time is July to January when the in Europe circumpolar constellation is at its highest.

Finder Chart Open Cluster NGC 559
Open Cluster NGC 559 in constellation Cassiopeia. Charts created using SkySafari 6 Pro and STScI Digitized Sky Survey. Limiting magnitudes: Constellation chart ~6.5 mag, DSS2 close-ups ~20 mag. [149, 160]

Objects Within a Radius of 15°


  • [147] Aladin Lite;
  • [149] SkySafari 6 Pro, Simulation Curriculum;
  • [160] The STScI Digitized Sky Survey;
  • [277] «Historische Deep-Sky Kataloge» von Dr. Wolfgang Steinicke; (2021-02-17)
  • [313] «A New General Catalogue of Nebulae and Clusters of Stars, being the Catalogue of the late Sir John F.W. Herschel, Bart., revised, corrected, and enlarged» Dreyer, J. L. E. (1888); Memoirs of the Royal Astronomical Society. 49: 1–237; Bibcode:1888MmRAS..49....1D
  • [464] «Catalogue of a second thousand of new nebulae and clusters of stars; with a few introductory remarks on the construction of the heavens» William Herschel, Philosophical Transactions of the Royal Society of London, 1 January 1789; DOI:10.1098/rstl.1789.0021