Gassendi is probably the most ancient crater on the Moon. I have some video captures of this area, really clear considering that they are only captures. Images are made through Celestron C8-Newtonian telescope, plossl 20mm, 2x Barlow, and Sony CX130 HD camera.
http://lupuvictor.blogspot.ro/2012/06/most-beautiful-crater-on-moon-gassendi.html