IC 1256
| Galaxy IC 1256 |
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|---|---|
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| SDSS image from IC 1256 | |
| AladinLite | |
| Constellation | Hercules |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 17 h 23 m 47.3 s |
| declination | + 26 ° 29 ′ 12 ″ |
| Appearance | |
| Morphological type | Sb |
| Brightness (visual) | 13.5 likes |
| Brightness (B-band) | 14.3 mag |
| Angular expansion | 1.60 × 1.1 |
| Position angle | 97 ° |
| Surface brightness | 14.0 mag / arcmin² |
| Physical data | |
| Redshift | 0.015778 +/- 0.000033 |
| Radial velocity | 4730 +/- 10 km / s |
|
Stroke distance v rad / H 0 |
(219 ± 15) x 10 6 ly (67.0 ± 4.7) Mpc |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | July 29, 1892 |
| Catalog names | |
| IC 1256 • UGC 10829 • PGC 60203 • CGCG 140-017 • MCG + 04-41-007 • IRAS 17217 + 2631 • 2MASX J17234732 + 2629114 • GALEX ASC J172347.49 + 262910.8 | |
IC 1256 is a spiral galaxy of Hubble type Sb in the constellation Hercules at the northern sky . It is estimated to be 219 million light years away from the Milky Way and has a diameter of about 100,000 ly.
In the same area of the sky are the galaxies NGC 6371 and NGC 6372 , among others .
The object was discovered by Stéphane Javelle on July 29, 1892 .