NGC 304
| Galaxy NGC 304 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Andromeda |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 00 h 56 m 06.0 s |
| declination | + 24 ° 07 ′ 37 ″ |
| Appearance | |
| Morphological type | S? |
| Brightness (visual) | 13.1 mag |
| Brightness (B-band) | 14.0 mag |
| Angular expansion | 1.1 ′ × 0.7 ′ |
| Position angle | 175 ° |
| Surface brightness | 12.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.016648 ± 0.000103 |
| Radial velocity | 4991 ± 31 km / s |
|
Stroke distance v rad / H 0 |
(229 ± 16) x 10 6 ly (70.3 ± 4.9) Mpc |
| history | |
| discovery | Édouard Stephan |
| Discovery date | October 23, 1878 |
| Catalog names | |
| NGC 304 • UGC 573 • PGC 3326 • CGCG 480-023 • MCG + 04-03-018 • GALEX ASC J005606.06 + 240737.4 • LDCE 51 NED002 | |
NGC 304 is a spiral galaxy from the Hubble type S / P in the constellation Andromeda the northern sky . It is an estimated 229 million light-years from the Milky Way and about 75,000 light-years across.
The galaxy NGC 280 is located in the same area of the sky .
The object was discovered on October 23, 1878 by the French astronomer Édouard Stephan .