NGC 1231
| Galaxy NGC 1231 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Eridanus |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 03 h 06 m 29.3 s |
| declination | -08 ° 41 ′ 32 ″ |
| Appearance | |
| Morphological type | Sc |
| Brightness (visual) | 14.2 mag |
| Brightness (B-band) | 14.9 mag |
| Angular expansion | 0.8 ′ × 0.8 ′ |
| Surface brightness | 13.6 mag / arcmin² |
| Physical data | |
| Redshift | 0.007910 ± 0.000022 |
| Radial velocity | 2371 ± 7 km / s |
|
Stroke distance v rad / H 0 |
(104 ± 7) · 10 6 ly (31.8 ± 2.2) Mpc |
| history | |
| discovery | Francis Leavenworth |
| Discovery date | December 2, 1885 |
| Catalog names | |
| NGC 1231 • PGC 11658 • MCG -03-08-074 • 2MASX J03062929-1534088 • | |
NGC 1231 is a spiral galaxy of Hubble type Sc in the constellation Eridanus at the southern sky . It is an estimated 104 million light years from the Milky Way .
The object was discovered by the astronomer Francis Leavenworth on December 2, 1885 .