| Object Type | Galaxy Sc |
| Constellation | Cetus |
| Magnitude | 10.4 |
| Size | 3.5' x 2.4' |

Number 4 in the Herschel 400 list is NGC 157. NGC 157 is a small but bright, almost face-on spiral galaxy in Cetus. Easily visible in the telescope, in an 18 inch telescope it appeared as a oval disc with a slightly brighter centre.