NGC 2283
| Galaxy NGC 2283 |
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|---|---|
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| SDSS recording, angle of view 6.8 '× 6.8' | |
| AladinLite | |
| Constellation | Big dog |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 06 h 45 m 52.7 s |
| declination | -18 ° 12 ′ 37 ″ |
| Appearance | |
| Morphological type | SB (s) cd |
| Brightness (visual) | 12.2 mag |
| Brightness (B-band) | 12.9 mag |
| Angular expansion | 3.6 ′ × 2.7 ′ |
| Position angle | 2 ° |
| Surface brightness | 14.5 mag / arcmin² |
| Physical data | |
| Redshift | 0.002805 +/- 0.000010 |
| Radial velocity | (841 +/- 3) km / s |
|
Stroke distance v rad / H 0 |
(30 ± 2) x 10 6 ly (9.1 ± 0.6) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | February 6, 1785 |
| Catalog names | |
| NGC 2283 • PGC 19562 • ESO 557-013 • MCG -03-18-002 • IRAS 06436-1809 • SGC 064341-1809.4 • GC 1452 • H III 271 • HIPASS J0645-18 • CGMW 1-369 | |
NGC 2283 is a barred spiral galaxy of the Hubble type SB (s) cd in the constellation Canis Major south of the celestial equator . It is estimated to be 30 million light years away from the Milky Way and has a diameter of around 35,000 ly. The galaxy has an apparent visual brightness of around 12 mag.
In the same area of the sky is the galaxy IC 2171 .
The object was discovered on February 6, 1785 by astronomer William Herschel with an 18.7-inch reflector .
Photo from the Hubble Space Telescope
