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 | Monoceros |
| Magnitude | 9.6 |
| Size | 7.0' x 7.0' |
Number 86 in the Herschel 400 list is NGC 2311. This is a moderately small open cluster in Monoceros containing mostly rather faint stars.