Jump to content

NGC 84

From Wikipedia, the free encyclopedia
NGC 84

NGC 84
Credit: SDSS
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Andromeda
Right ascension 00h 21m 21.2s[1]
Declination +22° 37′ 11″[1]

NGC 84 is a star located in the constellation Andromeda[2]. NGC 84 is often misidentified in astronomical literature as a galaxy rather than a single star[2]. It was first discovered on November 14, 1884, by the French astronomer Guillaume Bigourdan, who is well known for his successes in cataloging faint celestial forms[3].

NGC stands for the New General Catalogue, a listing of deep space objects like star clusters, nebulae, and galaxies. The NGC includes over 7,800 objects and remains one of the most commonly used astronomical catalogs today[4].

NGC 84 is located at a right ascension of 00h 21m 21.25s and a declination of +22° 37′ 10.90″ [5]. Due to its extreme faintness, it is not visible to the naked eye and requires a telescope for observation[5] . Located near the celestial equator NGC 84 can be observed from both the Northern and Southern Hemispheres during certain times of the year[6]. This location offers an opportunity for astronomers to study it. Though its low brightness and distant location make it extremely challenging to observe [5].


  1. ^ a b "NED results for object NGC 0084". National Aeronautics and Space Administration / Infrared Processing and Analysis Center. Retrieved 7 June 2017.
  2. ^ a b Astronomy, Go. "NGC 84 | star in Andromeda | New General Catalogue". Go-Astronomy.com. Retrieved 2025-04-22.
  3. ^ Beall, Abigail (December 2019). "Stargazing at home 2: See the Andromeda galaxy". New Scientist. 244 (3260): 51. doi:10.1016/S0262-4079(19)32380-2.
  4. ^ Brasch, Klaus R. (2024-09-01). "Get to know the Andromeda Galaxy". Astronomy Magazine. Retrieved 2025-04-22.
  5. ^ a b c Ford, Dominic (2014), The Deep Sky, The Patrick Moore Practical Astronomy Series, New York, NY: Springer New York, pp. 199–204, doi:10.1007/978-1-4939-0629-1_9, ISBN 978-1-4939-0628-4, retrieved 2025-04-22
  6. ^ Sohn, Rebecca; updated, Nola Taylor Tillman last (2018-01-10). "The Andromeda Galaxy (M31): Location, Characteristics & Images". Space. Retrieved 2025-04-22.
[edit]
  • Media related to NGC 84 at Wikimedia Commons