NGC 331
| Galaxy NGC 331 |
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|---|---|
|
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| NGC 331 & LEDA 1082918 (below) SDSS image | |
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 00 h 47 m 06.8 s |
| declination | -02 ° 43 ′ 52 ″ |
| Appearance | |
| Morphological type | Sc |
| Brightness (visual) | 14.6 mag |
| Brightness (B-band) | 15.5 mag |
| Angular expansion | 0.8 ′ × 0.5 ′ |
| Position angle | 135 ° |
| Surface brightness | 13.5 mag / arcmin² |
| Physical data | |
| Redshift | 0.023813 ± 0.000013 |
| Radial velocity | 7139 ± 4 km / s |
|
Stroke distance v rad / H 0 |
(322 ± 23) x 10 6 ly (98.8 ± 6.9) Mpc |
| history | |
| discovery | Francis Preserved Leavenworth |
| Discovery date | 1886 |
| Catalog names | |
| NGC 331 • PGC 2759 • MCG -01-03-012 • LEDA 3406 | |
NGC 331 is a spiral galaxy of Hubble type Sc in the constellation Cetus south of the celestial equator . It is estimated to be 322 million light years away from the Milky Way and has a diameter of about 75,000 ly.
In the same area of the sky is the galaxy NGC 259 .
The object was discovered in 1886 by the American astronomer Francis Preserved Leavenworth .
Web links
Commons : NGC 331 - collection of images, videos, and audio files
