NGC 1781
| Galaxy NGC 1781/1794 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Hare |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 05 h 07 m 55.0 s |
| declination | -18 ° 11 ′ 24 ″ |
| Appearance | |
| Morphological type | (R) SB (s) 0 ^ 0 ^ pec: |
| Brightness (visual) | 12.7 mag |
| Brightness (B-band) | 13.7 mag |
| Angular expansion | 1.3 ′ × 1.1 ′ |
| Position angle | 45 ° |
| Surface brightness | 12.9 mag / arcmin² |
| Physical data | |
| Redshift | 0.016645 +/- 0.000097 |
| Radial velocity | 4990 +/- 29 km / s |
|
Stroke distance v rad / H 0 |
(217 ± 15) · 10 6 ly (66.5 ± 4.7) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | February 6, 1785 |
| Catalog names | |
| NGC 1781/1794 • PGC 16788 • ESO 553-007 • MCG -03-14-002 • IRAS 05057-1815 • 2MASX J05075502-1811237 • GC 998 • H III 268 • LDCE 0368 NED004 | |
NGC 1781 = NGC 1794 is a lenticular galaxy of the Hubble type SB0 in the constellation Lepus in the southern sky . It is estimated to be 217 million light years from the Milky Way .
The object was discovered by Wilhelm Herschel on February 6, 1785 .