NGC 345
| Galaxy NGC 345 |
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|---|---|
![NGC 345 [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC345_-_SDSS_DR14.jpg)
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| NGC 345 SDSS image | |
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 01 h 01 m 22.1 s |
| declination | -06 ° 53 ′ 03 ″ |
| Appearance | |
| Morphological type | SA (s) a: |
| Brightness (visual) | 13.9 likes |
| Brightness (B-band) | 14.8 mag |
| Angular expansion | 1.2 ′ × 0.8 ′ |
| Position angle | 138 ° |
| Surface brightness | 13.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.017592 ± 0.000103 |
| Radial velocity | 5274 ± 31 km / s |
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Stroke distance v rad / H 0 |
(238 ± 17) x 10 6 ly (73.0 ± 5.1) Mpc |
| history | |
| discovery | Albert Marth |
| Discovery date | September 27, 1864 |
| Catalog names | |
| NGC 345 • PGC 3665 • MCG -01-03-064 • 2MASX J01012211-0653034 • GC 5137 • GALEX ASC J010122.19-065305.0 • USGC S034 NED04 • NSA 128291 | |
NGC 345 is a spiral galaxy of Hubble type Sa in the constellation Cetus south of the ecliptic . It is estimated to be 238 million light years from the Milky Way and about 85,000 light years in diameter.
In the same area of the sky are u. a. the galaxies NGC 342 , NGC 347 , NGC 349 , NGC 350 .
The object was discovered on September 27, 1864 by the German astronomer Albert Marth .