NGC 84

{{Short description|Star in the constellation Andromeda}}

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|caption=NGC 84

|credit=SDSS

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|epoch=J2000.0

|constell=Andromeda{{cite constellation|NGC 84}}

|ra={{RA|00|21|21.2}}{{cite web|url=http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC+84&extend=no&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES|title=NED results for object NGC 0084|publisher=National Aeronautics and Space Administration / Infrared Processing and Analysis Center|access-date=7 June 2017}}

|dec={{DEC|+22|37|11}}

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NGC 84 is a star located in the constellation Andromeda.{{Cite web |last=Astronomy |first=Go |title=NGC 84 {{!}} star in Andromeda {{!}} New General Catalogue |url=https://www.go-astronomy.com/ngc.php?ID=89 |access-date=2025-04-22 |website=Go-Astronomy.com |language=en-US}} NGC 84 is often misidentified in astronomical literature as a galaxy rather than a single star. 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.{{Cite journal |last=Beall |first=Abigail |date=December 2019 |title=Stargazing at home 2: See the Andromeda galaxy |url=https://linkinghub.elsevier.com/retrieve/pii/S0262407919323802 |journal=New Scientist |language=en |volume=244 |issue=3260 |pages=51 |doi=10.1016/S0262-4079(19)32380-2|url-access=subscription }}

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.{{Cite web |last=Brasch |first=Klaus R. |date=2024-09-01 |title=Get to know the Andromeda Galaxy |url=https://www.astronomy.com/science/getting-to-know-the-andromeda-galaxy/ |access-date=2025-04-22 |website=Astronomy Magazine |language=en-US}}

NGC 84 is located at a right ascension of 00h 21m 21.25s and a declination of +22° 37′ 10.90″.{{Citation |last=Ford |first=Dominic |title=The Deep Sky |date=2014 |series=The Patrick Moore Practical Astronomy Series |pages=199–204 |url=https://doi.org/10.1007/978-1-4939-0629-1_9 |access-date=2025-04-22 |place=New York, NY |publisher=Springer New York |doi=10.1007/978-1-4939-0629-1_9 |isbn=978-1-4939-0628-4|url-access=subscription }} Due to its extreme faintness, it is not visible to the naked eye and requires a telescope for observation. Located near the celestial equator NGC 84 can be observed from both the Northern and Southern Hemispheres during certain times of the year.{{Cite web |last1=Sohn |first1=Rebecca |last2=updated |first2=Nola Taylor Tillman last |date=2018-01-10 |title=The Andromeda Galaxy (M31): Location, Characteristics & Images |url=https://www.space.com/15590-andromeda-galaxy-m31.html |access-date=2025-04-22 |website=Space |language=en}} This location offers an opportunity for astronomers to study it. Though its low brightness and distant location make it extremely challenging to observe.

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