Observe on Lunar Day (after New Moon): 13 or 26
Lunar Day Seen: 13
Date/Time: 12/17/2021 20:03 Local Time
Location: 1425 Snowberry Lane, Broomfield, CO
Seeing: G
Transparency: 3
Instrument Used: 8" f/6 Newtonian Telescope
Magnification: 203x
Estimated Lunar Epoch: Nectarian
Actual Lumar Epoch: Pre-Nectarian
Reasoning/Description: Poor seeing. It has low profile rims. Bottom filled with lava. It is pre-Imbrian. It is larger so maybe part of heavy bombardment period.
Sketch (click for larger image)
