NGC 257

NGC 257 is a spiral galaxy in the Pisces constellation. It was discovered on December 29, 1790, by Frederick William Herschel.^[4]

NGC 257
SDSS image of NGC 257
Observation data (J2000 epoch)
Constellation	Pisces
Right ascension	00h 48m 01.510s[1]
Declination	+08° 17′ 49.45″[1]
Redshift	0.017592[2]
Heliocentric radial velocity	5274 km/s[2]
Distance	219.64 ± 34.73 Mly (67.343 ± 10.649 Mpc)[2]
Apparent magnitude (B)	13.7[3]
Characteristics
Type	Scd?[2]
Size	141,000 ly (43,100 pc)[2][note 1]
Apparent size (V)	3.0′ × 2.5′[2]
Other designations
UGC 493, MGC+01-03-003, PGC 2818