| NGC 7393 | |
|---|---|
 | |
| Observation data (J2000epoch) | |
| Constellation | Aquarius |
| Right ascension | 22h 51m 38.1s[1] |
| Declination | −05° 33′ 26″[1] |
| Redshift | 0.012522 ± 0.000017[1] |
| Heliocentric radial velocity | 3754 ± 5km/s[1] |
| Apparent magnitude (B) | 13.4[1] |
| Surface brightness | 22.84 mag/arcsec2 |
| Characteristics | |
| Type | SB(rs)c pec[1] |
| Apparent size (V) | 1.9′ × 0.9′[1] |
| Other designations | |
| VV 68, Arp 15, MCG -01-58-002, PGC 69874 | |
NGC 7393 is abarred spiral galaxy in the constellationAquarius. It is estimated to about 120 millionlight-years from theMilky Way and about 70,000 light-years in diameter.[1] NGC 7393 belongs to the class of spiral galaxies with separated sections in the Arp catalog.AstronomerHalton Arp divided his catalog of unusual galaxies into groups based on purely morphological criteria.[2] NGC 7393 was discovered by astronomerWilliam Herschel on October 5, 1785.
