Combination of 15, 1 minute images unfiltered.
SBIG STL-1001E CCD. 20" f/6.8 Dall-Kirkham cassegrain telescope at prime focus.
| Object Type | Planetary Nebula |
| Constellation | Puppis |
| Magnitude | 9.4 |
| Size | 1.3' x 1.3' |
Number 106 in the Herschel 400 list is NGC 2440. This is a small but bright planetary nebula that is a 10" telescope appears non-spherical.