The sketches are by Jane Houston Jones (7" AP, San Jose), Pam Gonzales (8" f/6 newtonian, San Jose), PJ (6" SkyView Pro, Los Angeles), and Akkana Peck (8" f/6 newtonian, San Jose).
Central Meridian is roughly 225. Main features shown are the south polar cap, Mare Cirrenium and Mare Tyrrhenum, with Syrtis Major rotating in on the lower right.
Sketches were rotated/flipped as necessary and stacked using the GIMP.
Here are the individual images: