IC 923

{{Short description|Galaxy located in Ursa Major}}

{{Infobox galaxy|name=IC 923|image=File:IC923_-_SDSS_DR14.jpg|caption=SDSS image of IC 923 (located above the image)|constellation name=Ursa Major|ra=13h 43m 16.103s|dec=+55d 36m 56.85s|z=0.069243|h_radial_v=20,765 km/s|dist_ly=954 Mly (292.5 Mpc)|appmag_v=15.0|sbrightness=12.4|type=S0|size_v=0.50' x 0.2'|names= [TTL2012] 081743, SDSS J134316.09+553656.8, EON J205.817+55.616|appmag_b=16.0|epoch=J2000}}

IC 923 is a lenticular galaxy located in Ursa Major. Its redshift is 0.069243{{Cite web |title=IC 923 - lenticular galaxy. Description IC 923: |url=https://kosmoved.ru/get_ngcic.php?ID=IC_923&lang=eng |access-date=2024-05-14 |website=kosmoved.ru}} which means the galaxy is 954 million light-years from Earth.{{Cite web |title=Your NED Search Results |url=https://ned.ipac.caltech.edu/cgi-bin/objsearch?search_type=Obj_id&objid=3457023&objname=1&img_stamp=YES&hconst=73.0&omegam=0.27&omegav=0.73&corr_z=1 |access-date=2024-05-14 |website=ned.ipac.caltech.edu}} IC 923 has apparent dimensions of 0.50 x 0.2 arcmin, meaning it is approximately 139,000 light-years across.{{Cite web |title=Revised IC Data for IC 923 |url=https://spider.seds.org/ngc/revngcic.cgi?IC%20923 |access-date=2024-05-14 |website=spider.seds.org}} IC 923 was discovered in June 1892, by Edward Emerson Barnard{{Cite web |title=Index Catalog Objects: IC 900 - 949 |url=https://cseligman.com/text/atlas/ic9.htm#ic923 |access-date=2024-05-14 |website=cseligman.com}}{{Cite web |title=List of NGC/IC observers |url=http://www.klima-luft.de/steinicke/ngcic/obs_e.htm |access-date=2024-05-14 |website=www.klima-luft.de}} and is a member of galaxy group V1CG 588.{{Cite web |title=NED Search Results for V1CG 588 |url=https://ned.ipac.caltech.edu/cgi-bin/objsearch?search_type=Obj_id&objid=176712983&objname=20&img_stamp=YES&hconst=73.0&omegam=0.27&omegav=0.73&corr_z=1 |access-date=2024-05-14 |website=ned.ipac.caltech.edu}}