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 | 8.4 |
| Size | 8.0' x 8.0' |
Number 15 in the Herschel 400 list is NGC 436, a fairly small but bright open cluster in Casseopia. The stars are fairly bright and the cluster stands magnification well, making it easier to see against the background stars of the Milky Way.