Combination of 15, 1 minute images unfiltered.
SBIG STL-1001E CCD. 20" f/6.8 Dall-Kirkham cassegrain telescope at prime focus.
NGC 2335 is a moderately large and scattered open cluster in Monoceros containing mostly rather faint stars. The size given in the table above was taken from "The Sky", however I feel sure that this is an underestimation, given its appearence in the above image.