NGC 285
| Galaxy NGC 285 |
|
|---|---|
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|
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 00 h 53 m 29.9 s |
| declination | -13 ° 09 ′ 39 ″ |
| Appearance | |
| Morphological type | (R '?) S0- |
| Brightness (visual) | 14.7 mag |
| Brightness (B-band) | 15.7 mag |
| Angular expansion | 0.7 ′ × 0.4 ′ |
| Position angle | 10 ° |
| Surface brightness | 13.4 mag / arcmin² |
| Physical data | |
| Redshift | 0.037976 ± 0.000230 |
| Radial velocity | 11,385 ± 69 km / s |
|
Stroke distance v rad / H 0 |
(510 ± 36) · 10 6 ly (156.5 ± 11.0) Mpc |
| history | |
| discovery | Francis P. Leavenworth |
| Discovery date | October 2, 1886 |
| Catalog names | |
| NGC 285 • PGC 3141 • MCG -02-03-033 • 2MASX J00532985-1309381 • KAZ 377 • GALEX ASC J005329.83-130939.0 | |
NGC 285 is an elliptical galaxy of Hubble type E / S0 in the constellation Cetus south of the ecliptic . It is estimated to be 510 million light years from the Milky Way and about 100,000 light years in diameter.
The galaxies NGC 283 , NGC 284 , NGC 286 , IC 56 are located in the same area of the sky .
The object was discovered on October 2, 1886 by the American astronomer Francis Preserved Leavenworth .