NGC 645
Galaxy in the constellation Perseus
From Wikipedia, the free encyclopedia
NGC 645 is a barred spiral galaxy in the constellation Pisces. It is estimated to be 112 million light-years from the Milky Way[3] and has a diameter of approximately 115,000 light years. The object was discovered on October 27, 1864 by astronomer Albert Marth.[4][5][6]

Right ascension01h 40m 08.698s[1]
Declination+05° 43′ 36.18″[1]
| NGC 645 | |
|---|---|
SDSS image of NGC 645 | |
| Observation data (J2000 epoch) | |
| Constellation | Pisces |
| Right ascension | 01h 40m 08.698s[1] |
| Declination | +05° 43′ 36.18″[1] |
| Redshift | 0.011028[2] |
| Heliocentric radial velocity | 3288 km/s[2] |
| Distance | 112.1 Mly (34.36 Mpc)[3] |
| Apparent magnitude (B) | 13.8[2] |
| Characteristics | |
| Type | SB:b[2] |
| Other designations | |
| UGC 1177, MCG +01-05-016, PGC 6172[2] | |