The Moon at 18 Days Old


Combination of 20 images, each 0.002 seconds exposure.
SBIG ST-8XE CCD and an H-alpha filter. 5" f/5 refractor at prime focus.

The moon 4 days past full. By now, the lunar rays are losing their prominence, and the Sun is about to set on Theophilus. The eastern edge of Mare Serenitatis also lies at the terminator and will disappear into the night over the next 24hours.


Combination of 10 images, each 0.002 seconds exposure.
SBIG ST-8XE CCD and an H-alpha filter. 5" f/5 refractor at prime focus.