NGC 2591
| Galaxy NGC 2591 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | giraffe |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 08 h 37 m 25.5 s |
| declination | + 78 ° 01 ′ 35 ″ |
| Appearance | |
| Morphological type | Scd: / sp |
| Brightness (visual) | 12.2 mag |
| Brightness (B-band) | 12.9 mag |
| Angular expansion | 3 ′ × 0.6 ′ |
| Position angle | 32 ° |
| Surface brightness | 12.7 mag / arcmin² |
| Physical data | |
| Affiliation | NGC 2655 group LGG 165 |
| Redshift | 0.004413 ± 0.000017 |
| Radial velocity | (1323 ± 5) km / s |
|
Stroke distance v rad / H 0 |
(65 ± 5) x 10 6 ly (20.0 ± 1.4) Mpc |
| history | |
| discovery | Heinrich d'Arrest |
| Discovery date | August 12, 1866 |
| Catalog names | |
| NGC 2591 • UGC 4472 • PGC 24231 • CGCG 349-029 • 350-001 • MCG + 13-07-001 • IRAS 08307 + 7811 • 2MASX J08372552 + 7801351 • NVSS J083725 + 780139 • LDCE 602 NED001 | |
NGC 2591 is a spiral galaxy of Hubble type Sc in the constellation Giraffe at the northern sky . It is estimated to be 65 million light years from the Milky Way and about 55,000 light years in diameter.
Together with NGC 2655 , NGC 2715 , NGC 2748 it forms the NGC 2655 group .
The object was discovered on August 12, 1866 by Heinrich Louis d'Arrest .