NGC 258
| Galaxy NGC 258 |
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|---|---|
|
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| SDSS image from NGC 258 | |
| AladinLite | |
| Constellation | Andromeda |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 00 h 48 m 12.8 s |
| declination | + 27 ° 39 ′ 26 ″ |
| Appearance | |
| Morphological type | Sb |
| Brightness (visual) | 14.2 mag |
| Brightness (B-band) | 15.0 mag |
| Angular expansion | 0.5 ′ × 0.4 ′ |
| Position angle | 108 ° |
| Surface brightness | 12.3 mag / arcmin² |
| Physical data | |
| Redshift | ? |
| Radial velocity | ? km / s |
| distance | ? pc |
| history | |
| discovery | George Johnstone Stoney |
| Discovery date | December 22, 1848 |
| Catalog names | |
| NGC 258 • PGC 2829 • MCG + 04-03-005 • 2MASX J00481277 + 2739257 • GC 137 • NPM1G +27.0034 • 2MASS J00481279 + 2739257 | |
NGC 258 is a spiral galaxy of Hubble type Sb in the constellation Andromeda on the northern sky . The object was discovered on December 22, 1848 by the Irish astronomer George Johnstone Stoney , an assistant to William Parsons .
Web links
Commons : NGC 258 - collection of images, videos, and audio files
