Mosiac of 2, 0.002 second images. SBIG ST-8XE CCD with an H-alpha filter.
16" f/10 schmidt-cassegran at prime focus.
By the time the Moon is 24 days old, the craters on Oceanus Procellarum are viewed at their best. Among the more prominent craters best viewed at this time are Schickard and Gassendi to the south, Kepler near the centre, and Aristarchus to the north. The rampards of Copernicus are receiving their last rays of the Sun.