The Andromeda galaxy M31. Twenty minute exposure time for each RGB colour filter using ten minute sub frames and matching dark frames was made through an f/7, 80mm refractor:
This is the 80mm refractor used, with a piggibacked 70mm guidescope.
NGC1805 . The Heart nebula. This large complex of nebulosity lies in the constellation of Cassiopiea not far from the double cluster. This image was captured using a four inch refractor with PHD auto guiding. Ten minute sub-frames with matching dark frames making total exposure times of sixty minutes for each narrow band filter, H-alpha and Olll:
