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NGC 609

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NGC 609
The open cluster NGC 609
Observation data (J2000 epoch)
Right ascension01h 38m 11s
Declination+64° 39′ 57″
Distance12984.29 (3981)
Physical characteristics
Estimated age1710 Ma
Associations
ConstellationCassiopeia
See also: Open cluster, List of open clusters

NGC 609 (also known as C 0133+643) is a small open cluster located in the Cassiopeia constellation containing approximately 261 stars.[1] Given its visual magnitude of 11, NGC 609 is visible with the help of a telescope having an aperture of 6 inches (150mm) or more.[1] It was discovered by 19th century German astronomer Heinrich d'Arrest on 9 August 1863[2]. NGC 609 is moving towards the Sun with a radial velocity of -44.32 km/s±0.68.[3] The object is located approximately 12,984.29 light years, (3981 pc), from the Earth.[4]

References

[edit]
  1. ^ a b "NGC 609". simbad.u-strasbg.fr. Retrieved 2025-06-30.
  2. ^ "New General Catalog Objects: NGC 600 - 649". cseligman.com. Retrieved 2025-06-29.
  3. ^ "NGC 609". simbad.cds.unistra.fr. Retrieved 2025-06-29.
  4. ^ "WEBDA: Open cluster page". webda.physics.muni.cz. Retrieved 2025-06-29.
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