Combination of 15, 1 minute images unfiltered.
SBIG STL-1001E CCD. 20" f/6.8 Dall-Kirkham cassegrain telescope at prime focus.
NGC 225 is a fairly large open cluster in Casseopia, containing a number fairly bright stars set against a background of faint stars. The faint nebulosity to the north of the cluster is not designated.