Combination of 15, 1 minute images unfiltered.
SBIG STL-1001E CCD. 20" f/6.8 Dall-Kirkham cassegrain telescope at prime focus.
| Object Type | Open Cluster |
| Constellation | Casseopia |
| Magnitude | 7.0 |
| Size | 15.0' x 15.0' |
Number 7 in the Herschel 400 list is NGC 225. NGC 225 is a fairly large open cluster in Casseopia, containing a number fairly bright stars set against a background of faint stars. The faint nebulosity to the north of the cluster is not designated.