NGC 189 | |
---|---|
Observation data (J2000 epoch) | |
Right ascension | 0h 39m 28.8s[1] |
Declination | +61° 6m 54s[1] |
Distance | 4,200 ly (1,300 pc)[1] |
Apparent magnitude (V) | 8.8[2] |
Apparent dimensions (V) | 0.120°[1] |
Physical characteristics | |
Estimated age | 510 Myr[1] |
Other designations | Cr 462, C 0036+608, OCL 301 |
Associations | |
Constellation | Cassiopeia |
NGC 189 is an open cluster in the Cassiopeia constellation. It was discovered by Caroline Herschel on 27 September 1783, and independently rediscovered by John Herschel on 27 October 1829.[3]
References
- 1 2 3 4 5 Kharchenko, N. V.; et al. (2013). "Global survey of star clusters in the Milky Way. II. The catalogue of basic parameters". Astronomy & Astrophysics. 558: A53. arXiv:1308.5822. Bibcode:2013A&A...558A..53K. doi:10.1051/0004-6361/201322302. S2CID 118548517.
- ↑ "NGC 189". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 12 February 2021.
- ↑ Seligman, Courtney. "New General Catalogue objects: NGC 150 – 199". cseligman.com. Retrieved 12 February 2021.
External links
- NGC 189 @ SEDS NGC objects pages
- NGC 189 at NightSkyInfo.com
- NGC 189 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
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