NGC 846

NGC 846 (also known as NGC 847) is a barred spiral galaxy located around 235 million light-years away in the constellation Andromeda.^[1][3][2] NGC 846 was discovered on November 22nd, 1876 by the French astronomer Édouard Stephan, and it has a diameter of around 162,000 light-years.^[1][3][2] NGC 846 is not known to have much star-formation, and it is not known to have an active galactic nucleus.^[1][3][4]

NGC 846
A PanSTARRS (PanS) image of NGC 846
Observation data (J2000 epoch)
Constellation	Andromeda
Right ascension	02h 12m 12.60s[1]
Declination	+44° 34′ 05.0″[1]
Redshift	0.017065 ± 2.60e-5[1]
Distance	235 Mly (72.26 Mpc)[1]
Apparent magnitude (V)	12.3[1]
Characteristics
Type	SB(rs)ab[1]
Size	162,000 ly[1]
Apparent size (V)	1.95′ × 1.698′[2]
Notable features	N/A
Other designations
IRAS 02090+4420, NGC 847, UGC 1688, MCG +07-05-024, PGC 8430, CGCG 538-032[1]

Supernovae

Two supernovae have been observed in NGC 846:

• SN 2003ja (type II, mag. 17.1) was discovered by the Lick Observatory Supernova Search (LOSS) on 22 October 2003.^[5][6]
• SN 2009fu (type Ia, mag. 15.7) was discovered by Kōichi Itagaki on 1 June 2009.^[7][8]

See also

• List of NGC objects (1–1000)