The end of orientation weekend at Hogwarts was held on the Delta King on the American River. The staff had arranged a buffet and a good long sit, which was just what we needed. Note the professor with the distant gaze looking off the stern of the ship. Yes, that'd be our substitute Defense against the Dark Arts instructor. XX-Rated, wearing matching black and pink robes(!), sits at the near table. Mud Blood & Bones is in the back on the left.
(Click the image to view a smaller version.)