NGC 7781
| Galaxy NGC 7781 |
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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 | 23 h 53 m 46.0 s |
| declination | + 07 ° 51 ′ 38 ″ |
| Appearance | |
| Morphological type | S? |
| Brightness (visual) | 14.3 mag |
| Brightness (B-band) | 15.1 mag |
| Angular expansion | 0.8 'x 0.2' |
| Position angle | 13 ° |
| Surface brightness | 12.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.018883 ± 0.000097 |
| Radial velocity | 5661 ± 29 km / s |
|
Stroke distance v rad / H 0 |
(259 ± 18) x 10 6 ly (79.4 ± 5.6) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | August 16, 1830 |
| Catalog names | |
| NGC 7781 • PGC 72785 • CGCG 407-072 • MCG + 01-60-047 • 2MASX J23534595 + 0751377 • GALEX ASC J235345.79 + 075138.8 • LDCE 1600 NED004 | |
NGC 7781 is a spiral galaxy from the Hubble type S in the constellation fish on the ecliptic . It is an estimated 259 million light years away from the Milky Way and has a diameter of about 60,000 ly.
In the same area of the sky are the galaxies NGC 7778 , NGC 7779 , NGC 7780 , NGC 7782 .
The object was discovered by John Herschel on August 16, 1830 .