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| NGC 3908 | |
|---|---|
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| Observation data | |
| Constellation | Leo |
| Right ascension | 177.47 degrees |
| Redshift | 0.08401 |
| Heliocentric radial velocity | 24,141 km/s |
| Distance | 1.23 Gly (377 Mpc) |
| Apparent magnitude (V) | 15.4 |
| Characteristics | |
| Type | E |
| Size | 280,000 ly |
| Other designations | |
| PGC 36967, SDSS J114952.68+121109.3, LEDA 36967, NPM1G 12.0292, 2MASX J11495270+1211086 | |
NGC 3908 is one of the furthest NGC objects.[citation needed] It is an elliptical galaxy located 1.2 billion light-years away in the Leo constellation[1] with an estimated 280,000 thousand light-years across in diameter.[2] It was discovered on April 10, 1885, by Lewis Swift, who found the object too faint for the naked eye to see.[3][4] The identification of the celestial object observed by Swift is uncertain. The coordinates (RA 11 49 40.8, Dec +12 04 19) place it approximately 7.5 arcminutes south-southwest of a galaxy previously listed, potentially identifying it as PGC 36967.[citation needed] However, astronomers Corwin and Gottlieb argue that the object is much fainter than Swift's descriptions suggest, indicating it may have been too faint for him to observe. Although the right ascension aligns with another of Swift's discoveries on the same night (NGC 5304), the discrepancy in declination is notably larger.[citation needed] It remains unclear if PGC 36967 is NGC 3908,[2] and it is equally probable that Swift's observed object is "lost," with any nearby galaxy merely coincidental to Swift's original position.[citation needed] Due to its relatively large size, NGC 3908 is considered a brightest cluster galaxy, a BCG.[4][5]
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