NGC 257
Galaxy in the constellation Pisces / From Wikipedia, the free encyclopedia
NGC 257 is a spiral galaxy in the Pisces constellation. It was discovered on December 29, 1790, by Frederick William Herschel.[4]
Quick Facts Observation data (J2000 epoch), Constellation ...
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 |
Close