NGC 54
| Galaxy NGC 54 |
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|---|---|
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| SDSS image from NGC 54 | |
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 00 h 15 m 07.7 s |
| declination | -07 ° 06 ′ 24 ″ |
| Appearance | |
| Morphological type | SB (r) a? / HII |
| Brightness (visual) | 13.7 mag |
| Brightness (B-band) | 14.6 mag |
| Angular expansion | 1.3 ′ × 0.4 ′ |
| Position angle | 93 ° |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.017800 ± 0.000027 |
| Radial velocity | 5337 ± 8 km / s |
|
Stroke distance v rad / H 0 |
(242 ± 17) x 10 6 ly (74.2 ± 5.2) Mpc |
| history | |
| discovery | Ernst Wilhelm Temple |
| Discovery date | 1886 |
| Catalog names | |
| NGC 54 • PGC 1011 • MCG -01-01-060 • IRAS F00125-0723 • 2MASX J00150767-0706243 • GALEX ASC J001507.59-070623.7 • LDCE 10 NED004 | |
NGC 54 is a spiral galaxy with extensive star formation regions of the Hubble type Sa in the constellation Whale south of the ecliptic . We see this galaxy in "half profile", which makes it difficult to classify precisely. It is an estimated 242 million light years from the Milky Way and about 90,000 light years in diameter .
The galaxies NGC 47 , NGC 50 , NGC 61 , NGC 64 are located in the same area of the sky .
The object was discovered in 1886 by the German astronomer Ernst Wilhelm Leberecht Tempel .
Web links
Commons : NGC 54 - collection of images, videos and audio files
