Christmas Fern – Polystichum acrostichoides

by | Dec 9, 2023 | Ferns, NE Native Ferns

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NGC 6304 is a globular cluster in the constellation Ophiuchus. William Herschel discovered this star cluster using an 18.5-inch (47 cm) f/13 speculum reflector telescope in 1786.[3] It is about 19,000 light-years away, near the Milky Way's central bulge.[7]

Globular cluster NGC 6304, by HST (WFC3).

See also

References

  1. ^ a b c d e f g h i "NGC 6304". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2012-08-18.
  2. ^ a b "NGC 6304". SEDS. Retrieved 2012-08-18.
  3. ^ a b c d e f "NGC 6304". Deep Sky Observer's Companion on-line database. Retrieved 2012-08-17.
  4. ^ a b "NGC 6304". A Galactic Globular Cluster Database. Version 11.12. Retrieved 2012-08-18.
  5. ^ Forbes, D. A.; Bridges, T. (2010). "Accreted versus in situ Milky Way globular clusters". Monthly Notices of the Royal Astronomical Society. 404 (3): 1203–1214. arXiv:1001.4289. Bibcode:2010MNRAS.404.1203F. doi:10.1111/j.1365-2966.2010.16373.x. S2CID 51825384.
  6. ^ "NGC 6304". NASA/IPAC Extragalactic Database. Retrieved 2012-08-18.
  7. ^ Crossen, C.; Rhemann, G. (2004), Sky Vistas: Astronomy for Binoculars and Richest-Field Telescopes, Springer-Verlag, p. 254, ISBN 978-3-211-00851-5


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