Atlas and Hercules
1/125 seconds exposure, Kodak Ektachrome 400 slide film.
300mm f/6 newtonian telescope at prime focus.
Atlas and Hercules are two large craters on the north western portion of the Moon. Atlas is the left-hand crater and Hercules is the right-hand with the darker floor and a smaller crater inside it. On the right at the terminator are Aristoteles and Eudoxus, while towards the top of the photograph is the large, low-walled crater, Posidonius. The small crater between Hercules and Eudoxus is Burg.
0.002 seconds exposure, SBIG ST-8E CCD.
30" f/5 newtonian telescope at prime focus.
0.002 seconds exposure, SBIG ST-8XE CCD with an H-alpha filter.
16" f/10 schmidt-cassegrain telescope plus a 2x barlow lens.
Combination of 20, 0.02 second exposures with an H-alpha filter. SBIG ST-8XE CCD.
20" f/6.8 cassegrain with a 2x barlow lens.
Combination of 2000, 0.002 second exposures.
DMK video CCD. 12" f/10 schmidt-cassegrain telescope at prime focus.