NGC 1924
| Galaxy NGC 1924 |
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|---|---|
![NGC 1924 [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC1924_-_SDSS_DR14.jpg)
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| NGC 1924 SDSS image | |
| AladinLite | |
| Constellation | Orion |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 05 h 28 m 01.931 s |
| declination | -05 ° 18 ′ 38.73 ″ |
| Appearance | |
| Morphological type | SB (r) bc / HII |
| Brightness (visual) | 12.5 mag |
| Brightness (B-band) | 13.3 mag |
| Angular expansion | 1.6 ′ × 1.2 ′ |
| Position angle | 140 ° |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.008533 ± 0.000150 |
| Radial velocity | 2558 ± 45 km / s |
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Stroke distance v rad / H 0 |
(109 ± 8) · 10 6 ly (33.5 ± 2.4) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | October 5, 1785 |
| Catalog names | |
| NGC 1924 • PGC 17319 • MCG -01-14-011 • IRAS 05255-0521 • 2MASX J05280197-0518383 • GC 1130 • H III 447 • NVSS J052801-051844 • WISEA J052801.98-051838.2 | |
NGC 1924 is a bar-spiral galaxy of the Hubble type SBbc with extensive star formation regions in the constellation Orion in the southern sky . It is estimated to be 109 million light years from the Milky Way and about 55,000 light years across.
The object was discovered by the astronomer Wilhelm Herschel on October 5, 1785.