NGC 7704
| Galaxy NGC 7704 |
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|---|---|
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| NGC 7704 with LEDA 214966 (right), SDSS image | |
| AladinLite | |
| Constellation | fishes |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 23 h 35 m 01.0 s |
| declination | + 04 ° 53 ′ 51 ″ |
| Appearance | |
| Morphological type | S0-: |
| Brightness (visual) | 13.6 mag |
| Brightness (B-band) | 14.6 mag |
| Angular expansion | 1.1 '× 0.9' |
| Position angle | 67 ° |
| Surface brightness | 13.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.019083 ± 0.000093 |
| Radial velocity | 5721 ± 28 km / s |
|
Stroke distance v rad / H 0 |
(262 ± 18) · 10 6 ly (80.2 ± 5.6) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | October 13, 1827 |
| Catalog names | |
| NGC 7704 • UGC 12684 • PGC 71810 • CGCG 407-014 • MCG + 01-60-005 • 2MASX J23350103 + 0453520 • GALEX ASC J233501.05 + 045352.4 • LDCE 1585 NED003 | |
NGC 7704 is an elliptical galaxy of Hubble type E / S0 in the constellation Pisces on the ecliptic . It is estimated to be 262 million light-years from the Milky Way and about 85,000 light-years across.
In the same area of the sky are u. a. the galaxies NGC 7696 , NGC 7705 , NGC 7706 , IC 1500 .
The Supernova SN 1977G was observed here.
The object was discovered by John Herschel on October 13, 1827 .