The week of December 16-22 takes us from Lunar Day 16 to Day 22. This week we will highlight an item informally referred to as the “Lunar X,” visible on Sunday night. Lunar X: [SE/M10; L=1°E] Around 6 days 22
Lunar X on the Moon: Intersection of the Rims of Blanchinus, La Caille, and Purbach
