NGC 494
| Galaxy NGC 494 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | fishes |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 01 h 22 m 55.36 s |
| declination | + 33 ° 10 ′ 25.8 ″ |
| Appearance | |
| Morphological type | Sab |
| Brightness (visual) | 13.0 likes |
| Brightness (B-band) | 13.8 mag |
| Angular expansion | 2.0 ′ × 0.8 ′ |
| Position angle | 100 ° |
| Surface brightness | 13.4 mag / arcmin² |
| Physical data | |
| Affiliation | NGC-507 group |
| Redshift | 0.018219 ± 0.000033 |
| Radial velocity | 5462 ± 10 km / s |
|
Stroke distance v rad / H 0 |
(250 ± 18) x 10 6 ly (76.8 ± 5.4) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | November 22, 1827 |
| Catalog names | |
| NGC 494 • UGC 919 • PGC 5035 • CGCG 502-057 • MCG + 05-04-034 • IRAS 01201 + 3254 • 2MASX J01225533 + 3310261 • GC 282 • h 104 • LDCE 74 NED063 | |
NGC 494 is a spiral galaxy of Hubble type Sab in the constellation Pisces on the ecliptic . It is estimated to be 250 million light years away from the Milky Way and has a diameter of about 145,000 ly.
In the same area of the sky there are u. a. the galaxies NGC 504 , IC 1685 , IC 1687 , IC 1688 .
The object was discovered on November 22, 1827 by the British astronomer John Herschel .
Web links
Commons : NGC 494 - collection of images, videos, and audio files
