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| NGC 7789 | |
|---|---|
 NGC 7789 taken with an amateur telescope Credit: Hewholooks | |
| Observation data (J2000.0 epoch) | |
| Right ascension | 23h 57m 24s[1] |
| Declination | +56° 42′ 30″[1] |
| Distance | 7.6 kly (2,337[2]) |
| Apparent magnitude (V) | 6.7 |
| Apparent dimensions (V) | 16′[2] |
| Physical characteristics | |
| Mass | 6,620.4 ± 762.5[3] M☉ |
| Estimated age | 1.7 GYr[2] |
| Other designations | Caroline's Rose,[4] White Rose Cluster, Cr 460, Mel 245 |
| Associations | |
| Constellation | Cassiopeia |
NGC 7789 (also known as Caroline's Rose,[4] Caroline's Haystack,[5] or the White Rose Cluster) is an open cluster in Cassiopeia that was discovered by Caroline Herschel in 1783. Her brother William Herschel included it in his catalog as H VI.30. This cluster is also known as the "White Rose" Cluster or "Caroline's Rose" Cluster because when seen visually, the loops of stars and dark lanes look like the swirling pattern of rose petals as seen from above.
- ^ a b Cite error: The named reference
xinwas invoked but never defined (see the help page). - ^ a b c Cite error: The named reference
kharchenkowas invoked but never defined (see the help page). - ^ Cite error: The named reference
wuwas invoked but never defined (see the help page). - ^ a b "Caroline's Rose (NGC 7789)". Sky & Telescope. Retrieved 23 June 2020.
- ^ Stoyan, Ronald; Schurig, Stephan (2014). interstellarum Deep Sky Atlas. Erlangen: Cambridge University Press; Oculum-Verlag GmbH. ISBN 978-1-107-50338-0. OCLC 920437579.
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