NGC 718
| Galaxy NGC 718 |
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|---|---|
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| NGC 718 SDSS image | |
| AladinLite | |
| Constellation | fishes |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 01 h 53 m 13.315 s |
| declination | + 4 ° 11 ′ 45.3 ″ |
| Appearance | |
| Morphological type | SAB (s) a |
| Brightness (visual) | 11.7 mag |
| Brightness (B-band) | 12.6 mag |
| Angular expansion | 2.3 ′ × 2.2 ′ |
| Position angle | 45 ° |
| Surface brightness | 13.3 mag / arcmin² |
| Physical data | |
| Redshift | 0.005781 ± 0.000033 |
| Radial velocity | 1733 ± 10 km / s |
|
Stroke distance v rad / H 0 |
(80 ± 6) · 10 6 ly (24.5 ± 1.7) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | December 13, 1784 |
| Catalog names | |
| NGC 718 • UGC 1356 • PGC 6993 • CGCG 412-039 • MCG + 01-05-041 • IRAS 01506 + 0357 • 2MASX J01531331 + 0411453 • GC 430 • H II 270 • h 164 • GALEX ASC J015313.18 + 041143.3 | |
NGC 718 is a barred spiral galaxy of the Hubble type SBa in the constellation Pisces on the ecliptic . It is estimated to be 80 million light years away from the Milky Way and has a diameter of about 55,000 ly.
In the same area of the sky are the galaxies IC 174 , IC 1746 , IC 1750 , IC 1754 .
The object was discovered on December 13, 1784 by the German-British astronomer Wilhelm Herschel .
Web links
- SIMBAD Astronomical Database
- Auke Slotegraaf: NGC 718. Deep Sky Observer's Companion, accessed November 7, 2015 .