Astronomy:NGC 956
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Short description: Asterism in the constellation Andromeda
| NGC 956 | |
|---|---|
 | |
| Observation data (J2000 epoch) | |
| Constellation | Andromeda |
| Right ascension | 02h 32m 15.0s[1] |
| Declination | +44° 33′ 48″[1] |
| Apparent magnitude (V) | 8.9[1] |
| Apparent dimensions (V) | 9′[2] |
| Physical characteristics | |
| Notable features | Chance alignment[3] |
| Other designations | Cr 27 |
NGC 956 is an asterism in the constellation Andromeda.
The object was found on December 23, 1831, by the British astronomer John Herschel, who originally believed the object to be an open cluster.[2] However, an analysis in 2008 led to the conclusion that this "object" was merely a chance alignment of stars that only appear to be an open cluster.[3]
References
- ↑ 1.0 1.1 1.2 "NGC 956". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+956.
- ↑ 2.0 2.1 "New General Catalog Objects: NGC 950 - 999". http://cseligman.com/text/atlas/ngc9a.htm#956.
- ↑ 3.0 3.1 MacIejewski, G.; Niedzielski, A. (2008). "Photometric study of 9 doubtful open clusters". Astronomische Nachrichten 329 (6): 602. doi:10.1002/asna.200811000. Bibcode: 2008AN....329..602M.
External links
- (English) NASA/IPAC Extragalactic Database
- (English) SEDS
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