| IC 3447 | |
| Epoch: | J2000 |
| Constellation Name: | Virgo |
| Ra: | 12h 31m 17.90s |
| Dec: | +10d 40m 48.59s |
| Z: | 0.092479 |
| H Radial V: | 27,682 km/s |
| Dist Ly: | 1.273 Gly (390.6 Mpc) |
| Appmag V: | 16.1 |
| Appmag B: | 16.9 |
| Sbrightness: | 13.3 |
| Size V: | 0.30' x 0.3' |
| Type: | S, Sc |
| Names: | VPC 805, PGC 165209, SSTSL2 J123117.83+104048.3, [DCY96] 247 |
IC 3447 (or PGC 165209) is a type Sc[1] barred spiral galaxy located in the constellation Virgo. It has a redshift of 0.092479,[2] which means IC 3447 is 1.27 billion light-years from Earth,[3] making it one of the furthest objects in the Index Catalogue.[4] The galaxy has apparent dimensions of 0.30 x 0.3 arcmin, which means IC 3447 is 111,000 light-years across.[5] It was discovered by Royal Harwood Frost on May 10, 1904.[6] [7]