| Object Type | Open Cluster |
| Constellation | Casseopia |
| Magnitude | 9.5 |
| Size | 5.0' x 5.0' |

Number 3 in the Herschel 400 list is NGC 136. NGC 136 is a small and compact open cluster in Casseopia. The stars are relatively faint, with the brightest being around 11th magnitude.