NGC 3899
| Galaxy NGC 3899 / NGC 3912 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | lion |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 11 h 49 m 04.4 s |
| declination | + 26 ° 28 ′ 45 ″ |
| Appearance | |
| Morphological type | SAB (s) b? pec |
| Brightness (visual) | 12.6 mag |
| Brightness (B-band) | 13.4 mag |
| Angular expansion | 1.5 ′ × 0.9 ′ |
| Position angle | 5 ° |
| Surface brightness | 12.8 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 252 |
| Redshift | 0.005934 ± 0.000023 |
| Radial velocity | 1779 ± 7 km / s |
|
Stroke distance v rad / H 0 |
(78 ± 6) · 10 6 ly (24.0 ± 1.7) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | April 14, 1789 |
| Catalog names | |
| NGC 3899/3912 • UGC 6801 • PGC 36979 • CGCG 157-041 • MCG + 05-28-037 • KUG 1147 + 267 • 2MASX J11490943 + 2701194 • GC 2575 • H II 342 • h 992 • | |
NGC 3899 = NGC 3912 is a barred spiral galaxy of the Hubble type SBb in the constellation Leo , which is an estimated 78 million light years away from the Milky Way .
The galaxy was discovered on April 14, 1789 by the astronomer William Herschel with his 18.7-inch reflecting telescope.