NGC 2423

Combination of 15, 1 minute images unfiltered.
SBIG STL-1001E CCD. 20" f/6.8 Dall-Kirkham cassegrain telescope at prime focus.

NGC 2423 is a fairly large and scattered open cluster of moderately bright stars in Puppis. Against the rich background of the Milky Way, it is almost lost in the image above.