NGC 225

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NGC 225
NGC 225 in Cassiopeia
Observation data (J2000 epoch)
Right ascension 00h 43.7m[2]
Declination+61° 47′[2]
Distance2143 ly[3] (657 pc)
Apparent magnitude (V)7.0[2]
Apparent dimensions (V)12 arcminute
Physical characteristics
Notable featuresImage
Other designationsC 0040+615
See also: Open cluster, List of open clusters

NGC 225 is an open cluster in the constellation Cassiopeia. It is located roughly 2100 light-years from Earth.

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 "NGC 225". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2006-05-29.
  3. ^ An object's distance from Earth can be determined using Hubble's law: v=Ho is Hubble's constant (70±5 (km/s)/Mpc). The relative uncertainty Δd/d divided by the distance is equal to the sum of the relative uncertainties of the velocity and v=Ho

External links[edit]

Coordinates: Sky map 00h 43.7m 00s, 61° 47′ 00″