NGC 6978
| Galaxy NGC 6978 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Aquarius |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 20 h 52 m 35.4 s |
| declination | -05 ° 42 ′ 40 ″ |
| Appearance | |
| Morphological type | Sb / AGN |
| Brightness (visual) | 13.3 mag |
| Brightness (B-band) | 14.1 mag |
| Angular expansion | 1.5 ′ × 0.7 ′ |
| Position angle | 125 ° |
| Surface brightness | 13.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.020124 ± 0.000083 |
| Radial velocity | (6033 ± 25) km / s |
|
Stroke distance v rad / H 0 |
(276 ± 19) · 10 6 ly (84.5 ± 5.9) Mpc |
| history | |
| discovery | Albert Marth |
| Discovery date | July 20, 1863 |
| Catalog names | |
| NGC 6978 • PGC 65631 • MCG -01-53-017 • 2MASX J20523547-0542399 • HCG 88A • | |
NGC 6978 is a spiral galaxy of Hubble type Sb in the constellation Aquarius on the celestial equator . It is an estimated 276 million light years from the Milky Way .
The object was discovered by Albert Marth on July 20, 1863 .