NGC 4204
| Galaxy NGC 4204 |
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|---|---|
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| Ultraviolet image of the galaxy NGC 4204 using GALEX | |
| AladinLite | |
| Constellation | Berenike's hair |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 12 h 15 m 14.4 s |
| declination | + 20 ° 39 ′ 31 ″ |
| Appearance | |
| Morphological type | SB (s) dm |
| Brightness (visual) | 13.3 mag |
| Brightness (B-band) | 13.9 likes |
| Angular expansion | 3.6 ′ × 2.9 ′ |
| Position angle | 36 ° |
| Surface brightness | 15.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.002902 ± 0.000010 |
| Radial velocity | (870 ± 3) km / s |
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Stroke distance v rad / H 0 |
(38 ± 3) x 10 6 ly (11.5 ± 0.8) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | April 27, 1785 |
| Catalog names | |
| NGC 4204 • UGC 7261 • PGC 39179 • CGCG 128-060 • MCG + 04-29-051 • IRAS 12126 + 2056 • KUG 1212 + 209A • 2MASX J12151435 + 2039326 • GC 2797 • H III 397 • h 1141 • GALEX ASC J121514 .35 + 203932.3 • EVCC 224 | |
NGC 4204 is a barred spiral galaxy of the Hubble type SBdm in the constellation Haar der Berenike in the northern sky . It is estimated to be 38 million light years from the Milky Way and about 40,000 light years in diameter.
The object was discovered on April 27, 1785 by the astronomer William Herschel using his 18.7 inch reflector telescope.