Observe on Lunar Day (after New Moon): 7 or 20
Lunar Day Seen: 7
Date/Time: 12/12/2021 17:20 Local Time
Location: 1425 Snowberry Lane, Broomfield, CO
Seeing: VG
Transparency: 5
Instrument Used: 8" f/6 Newtonian Telescope
Magnification: 203x
Estimated Lunar Epoch: Lower Imbrian
Actual Lumar Epoch: Lower Imbrian
Reasoning/Description: Sharper rim but eroded a bit. Has young crater on the lower left side of floor. It is before Eratosthenian because of young craters on it.
Sketch (click for larger image)
