Measuring only 3.5 arc min across, NGC 5905 is my most ambitious target so far, and I thought it would be a perfect target to test the 27 inch Ritchie Telescope on. The scope is still very rough on the edges, but we're slowly making improvements.
27" (700mm) F/4.5 Newtonian
QHY-268M, Chroma LRGB, just under 9 hours exposure