IC 1251
| Galaxy IC 1251 |
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|---|---|
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|
| The galaxies NGC 6340 (lower half of the image, middle), IC 1251 (above) and IC 1254 (left) recorded with the 81 cm reflector telescope of the Mount Lemmon Observatory . | |
| AladinLite | |
| Constellation | Dragon |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 17 h 10 m 12.9 s |
| declination | + 72 ° 24 ′ 38 ″ |
| Appearance | |
| Morphological type | Scd: |
| Brightness (visual) | 13.5 likes |
| Brightness (B-band) | 14.2 mag |
| Angular expansion | 1.50 × 1.0 |
| Position angle | 71 ° |
| Surface brightness | 13.8 mag / arcmin² |
| Physical data | |
| Redshift | 0.004036 +/- 0.000007 |
| Radial velocity | 1210 +/- 2 km / s |
|
Stroke distance v rad / H 0 |
(63 ± 4) · 10 6 ly (19.2 ± 1.3) Mpc |
| history | |
| discovery | Edward Swift |
| Discovery date | September 18, 1890 |
| Catalog names | |
| IC 1251 • UGC 10757 • PGC 59735 • CGCG 339-029 • MCG + 12-16-021 • 2MASX J17101322 + 7224386 • | |
IC 1251 is a spiral galaxy of the Hubble type Scd: in the constellation Dragon in the northern sky . It is an estimated 63 million light years away from the Milky Way and has a diameter of around 25,000 ly.
In the same area of the sky are the galaxies NGC 6340 and IC 1254 .
The object was discovered by Edward Swift on September 18, 1890 .