Combination of 20, 0.02 second imagins using an H-alpha filter.
SBIG ST-8XE CCD. 300mm f/18 cassegrain telescope and a 2x barlow lens.

Almost in the centre of the Moon, just to the east of the large walled plain Ptolemaeus, is the large crater Albategnius. At 136km diameter and with a prominent central peak, Albategnius is an impressive sight, especially as the Sun just rises or sets over the rim.