| NGC 3259 | |
| Credit: | ESA/Hubble & NASA |
| Epoch: | J2000 |
| Constellation Name: | Ursa Major |
| H Radial V: | +1,677 km/s |
| Type: | SAB(rs)bc |
| Names: | UGC 5717, PGC 31145 |
NGC 3259 is a barred spiral galaxy located approximately 90 million light-years from Earth, in the Ursa Major constellation. It has the morphological classification SAB(rs)bc, which indicates that it is a spiral galaxy with a weak bar across the nucleus (SAB), an incomplete inner ring structure circling the bar (rs), and moderate to loosely wound spiral arms (bc). This galaxy is a known source of X-ray emission and it has an active galactic nucleus of the Seyfert 2 type.