NGC 833

{{Infobox galaxy|image=NGC 833 - NGC 835 R814G606B435.png|name=NGC 833|caption=NGC 833 (left) and NGC 835 (right)|epoch=J2000|appmag_v=13|appmag_b=14.02|sbrightness=23.14 mag/arcsec2

|ra={{RA|02|09|20}}

|dec={{DEC|-10|07|59}}

|names={{odlist|MCG= -02-06-030|PGC=8225}}{{cite simbad|title=NGC 833|access-date=2024-06-10}}

}}{{Short description|Galaxy in the constellation Cetus}}

NGC 833 is an intermediate spiral galaxy in the constellation Cetus. It has an active Hubble-type Sa nucleus, and lies south of the celestial equator. It is estimated to be 173 million light-years from the Milky Way and about 75,000 light-years in diameter.{{Cite web |title=New General Catalog Objects: NGC 850 - 899 |url=https://cseligman.com/text/atlas/ngc8a.htm#883 |access-date=2024-04-19 |website=cseligman.com}} Together with NGC 835, NGC 838 and NGC 839 it forms a group of galaxies cataloged as Hickson Compact Group 16 (Arp 318).{{Cite web |last=Staff |first=News |date=2015-06-19 |title=Hubble Sees Weird Galactic Quartet {{!}} Sci.News |url=https://www.sci.news/astronomy/science-hcg-16-hubble-galactic-quartet-02931.html |access-date=2024-04-19 |website=Sci.News: Breaking Science News |language=en-US}} Halton Arp divided his catalog of unusual galaxies into groups based on purely morphological criteria.