NGC 258
Galaxy NGC 258 |
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SDSS image from NGC 258 | |
AladinLite | |
Constellation | Andromeda |
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