NGC 664

NGC 664 is a spiral galaxy in the constellation of Pisces. Its velocity with respect to the cosmic microwave background is 5137 ± 21 km/s, which corresponds to a Hubble distance of 247.1 ± 17.3 Mly (75.77 ± 5.31 Mpc).^[1] In addition, six non redshift measurements give a closer distance of 218.91 ± 3.66 Mly (67.117 ± 1.123 Mpc).^[2] It was discovered by British astronomer John Herschel on 24 September 1830.^[3]

NGC 664
Spiral galaxy NGC 664 imaged by the Hubble Space Telescope
Observation data (J2000 epoch)
Constellation	Pisces
Right ascension	01h 43m 45.7857s[1]
Declination	+04° 13′ 22.486″[1]
Redshift	0.018113 [1]
Heliocentric radial velocity	5430 ± 3 km/s[1]
Distance	247.1 ± 17.3 Mly (75.77 ± 5.31 Mpc)[1]
Group or cluster	NGC 664 Group
Apparent magnitude (V)	12.8[1]
Characteristics
Type	Sb?[1]
Size	~114,600 ly (35.14 kpc) (estimated)[1]
Apparent size (V)	1.1′ × 0.9′[1]
Other designations
IRAS 01411+0358, 2MASX J01434582+0413222, UGC 1210, MCG +01-05-029, PGC 6359, CGCG 412-023[1]

Supernovae

Three supernovae have been observed in NGC 664:

• SN 1996bw (Type II, mag. 17.5) was discovered by the BAO Supernova Survey on 30 November 1996.^[4][5]
• SN 1997W (Type II, mag. 18) was discovered by the Harvard–Smithsonian Center for Astrophysics on 1 February 1997.^[6][7]
• SN 1999eb (Type IIn, mag. 16.2) was discovered by the Lick Observatory Supernova Search (LOSS) on 2 October 1999.^[8][9]

NGC 664 Group

NGC 664 is the namesake of the four member NGC 664 group. The other three galaxies are: IC 150, UGC 1204, and UGC 1240.^[10]

See also

• List of NGC objects (1–1000)