NGC 6911
| Galaxy NGC 6911 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Dragon |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 20 h 19 m 38.3 s |
| declination | + 66 ° 43 ′ 42 ″ |
| Appearance | |
| Morphological type | SBb: |
| Brightness (visual) | 14.5 mag |
| Brightness (B-band) | 15.3 mag |
| Angular expansion | 1.70 × 1.1 |
| Position angle | 115 ° |
| Surface brightness | 15.0 mag / arcmin² |
| Physical data | |
| Redshift | 0.008342 ± 0.000027 |
| Radial velocity | 2501 ± 8 km / s |
|
Stroke distance v rad / H 0 |
(122 ± 8) · 10 6 ly (37.3 ± 2.6) Mpc |
| history | |
| discovery | Lewis A. Swift |
| Discovery date | June 9, 1885 |
| Catalog names | |
| NGC 6911 • UGC 11540 • PGC 64485 • CGCG 324-007 / 325-001 • MCG + 11-24-006 • IRAS 20191 + 6634 • 2MASX J20193834 + 6643421 • 2MASS J20193831 + 6643418 | |
NGC 6911 is a barred spiral galaxy of the Hubble type SBb in the constellation Dragon in the northern sky . It is estimated to be 106 million light years from the Milky Way and about 60,000 light years across .
The object was discovered by Lewis A. Swift on June 9, 1885 .