| NGC 6308 | |
| Constellation Name: | Hercules |
| Epoch: | J2000 |
| Type: | SAB(rs)c?[1] |
| Dist Ly: | NaNMpc |
| Z: | 0.029402 |
| H Radial V: | 8814 ± 3 km/s |
| Appmag V: | 13.4 |
| Size V: | 1.1' x 1.0' |
| Size: | ~60.89kpc (estimated) |
NGC 6308 is a large intermediate spiral galaxy in the constellation of Hercules. Its velocity with respect to the cosmic microwave background is 8797 ± 3 km/s, which corresponds to a Hubble distance of 129.74 ± 9.08 Mpc (∼423 million light-years). It was discovered by German astronomer Albert Marth on 6 June 1863.[2]
NGC 6308 has been identified as an isolated galaxy, i.e. it does not belong to a cluster or group.[3]
One supernova has been observed in NGC 6308: SN 2023oyz (type Ic, mag 20.4).[4]