NGC 4284
| Galaxy NGC 4284 |
|
|---|---|
|
|
| SDSS image from NGC 4284 | |
| AladinLite | |
| Constellation | Big Bear |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 20 m 12.6 s |
| declination | + 58 ° 05 ′ 34 ″ |
| Appearance | |
| Morphological type | Sbc |
| Brightness (visual) | 13.6 mag |
| Brightness (B-band) | 14.4 mag |
| Angular expansion | 2.5 'x 1.2' |
| Position angle | 102 ° |
| Surface brightness | 14.6 mag / arcmin² |
| Physical data | |
| Redshift | 0.014023 ± 0.000013 |
| Radial velocity | 4204 ± 4 km / s |
|
Stroke distance v rad / H 0 |
(192 ± 13) · 10 6 ly (58.9 ± 4.1) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | April 17, 1789 |
| Catalog names | |
| NGC 4284 • UGC 7393 • PGC 39775 • CGCG 293-011 • MCG + 10-18-026 • 2MASX J12201263 + 5805347 • GC 2860 • H III 798 • LDCE 0891 NED001 • HOLM 373B | |
NGC 4284 is a spiral galaxy of Hubble type Sbc in the constellation Ursa Major at the northern sky . It is estimated to be 192 million light years from the Milky Way .
The object was discovered on April 17, 1789 by the astronomer Wilhelm Herschel .
Web links
Commons : NGC 4284 - collection of images, videos, and audio files
