IC 923

IC 923 is a lenticular galaxy located in Ursa Major. Its redshift is 0.069243^[1] which means the galaxy is 954 million light-years from Earth.^[2] IC 923 has apparent dimensions of 0.50 x 0.2 arcmin, meaning it is approximately 139,000 light-years across.^[3] IC 923 was discovered in June 1892, by Edward Emerson Barnard^[4][5] and is a member of galaxy group V1CG 588.^[6]

IC 923
SDSS image of IC 923 (located above the image)
Observation data (J2000 epoch)
Constellation	Ursa Major
Right ascension	13h 43m 16.103s
Declination	+55d 36m 56.85s
Redshift	0.069243
Heliocentric radial velocity	20,765 km/s
Distance	954 Mly (292.5 Mpc)
Apparent magnitude (V)	15.0
Apparent magnitude (B)	16.0
Surface brightness	12.4
Characteristics
Type	S0
Apparent size (V)	0.50' x 0.2'
Other designations
[TTL2012] 081743, SDSS J134316.09+553656.8, EON J205.817+55.616