NGC 5661
| Galaxy NGC 5661 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Virgin |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 14 h 31 m 57.4 s |
| declination | + 06 ° 15 ′ 02 ″ |
| Appearance | |
| Morphological type | SBb |
| Brightness (visual) | 13.4 mag |
| Brightness (B-band) | 14.2 mag |
| Angular expansion | 1.5 ′ × 0.6 ′ |
| Position angle | 23 ° |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.007852 +/- 0.000007 |
| Radial velocity | 2354 +/- 2 km / s |
|
Stroke distance v rad / H 0 |
(105 ± 8) · 10 6 ly (32.3 ± 2.3) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | May 12, 1793 |
| Catalog names | |
| NGC 5661 • UGC 9346 • PGC 51921 • CGCG 047-081 • MCG + 01-37-23 • IRAS 14294 + 0628 • GC 3921 • H II 892 • h 1830 • | |
NGC 5661 is a 13.4 mag barred spiral galaxy of the Hubble type SBb in the constellation Virgo and about 105 million light years from the Milky Way.
It was discovered on May 12, 1793 by Wilhelm Herschel with an 18.7-inch reflector telescope, who described it as "F, S, E nearly in parallel".