Ptolemaeus, Alphonsus & Arzachel
10" F/7.2 Newtonian
Camera DMK-21AF04, 60 FPS, Ulead compression
3X Barlow, no filter, EFL 5486mm
6 frame mosaic, 150 frame stacks from 2000 frame AVI files

Data captured from Las Cruces, New Mexico on 4-25-07
9:15 pm to 9:20 pm Local time
(3:15 to 3:20 utc)