NGC 2688
Galaxy NGC 2688 |
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SDSS recording | |
AladinLite | |
Constellation | Big Bear |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 08 h 55 m 11.6 s |
declination | + 49 ° 07 ′ 21 ″ |
Appearance | |
Morphological type | Sb |
Brightness (visual) | 15.8 mag |
Brightness (B-band) | 16.8 likes |
Angular expansion | 0.3 ′ × 0.2 ′ |
Position angle | 96 ° |
Surface brightness | 12.6 mag / arcmin² |
Physical data | |
Redshift | 0.052067 ± 0.000085 |
Radial velocity | (15,609 ± 25) km / s |
Stroke distance v rad / H 0 |
(699 ± 49) · 10 6 Lj (214.2 ± 15.0) Mpc |
history | |
discovery | RJ Mitchell |
Discovery date | March 11, 1858 |
Catalog names | |
NGC 2688 • PGC 25048 • MCG + 08-16-040 • 2MASX J08551161 + 4907218 • NSA 16049 |
NGC 2688 is a spiral galaxy of Hubble type Sb in the constellation Ursa Major . It is an estimated 699 million light years away from the Milky Way and has a diameter of about 60,000 ly.
In the same area of the sky are the galaxies NGC 2684 , NGC 2686 , NGC 2687 and NGC 2689 .
The object was discovered by RJ Mitchell on March 11, 1858 .