The week of May 13-19 takes us from lunar Day 9 to 16. This week we will highlight Mare Imbrium, viewable throughout the week. Mare Imbrium: [±NW/F8] The Imbrium basin was created 3.9 billion years ago when an asteroid 60
The week of February 25 – March 3 takes us from Day 21 through Day 27. This week we will highlight the craters Ptolemaeus, Alphonsus, and Arzachel, viewable early Tuesday morning. Ptolemaeus, Alphonsus, Arzachel: [SW/K-L9] This is the second group
The week of December 17-23 takes us from the end of Day 9 through Day 16. This week we will highlight Mare Humorum, the Hippalus rilles, the craters Gassendi, Gassendi A (all viewable on Tuesday evening), and Comet 46/P Wirtanen.
The week of July 16-22 takes us from Day 4 to Day 10. This week we will highlight the craters Thebit and Alpetragius, viewable on Friday evening. Thebit: [SW/M9] On the eastern shore of Mare Nubium, just to the west
The week of July 2 – 8 takes us from Day 19 to the end of Day 24. This week we will highlight Mons Piton and the crater Archimedes, viewable early Thursday morning. Mons Piton: [NE/E9] Mons Piton: [NE/E9; L=1°W]
The week of June 18 – 24 takes us from the end of Day 6 to the end of Day 11. This week we will highlight the crater Regiomontanus, viewable on Thursday evening. Regiomontanus: [SW/M9] This is a crater that
The week of May 14-20 takes us from Day 29 to Day 6. This week we will highlight Mare Crisium, visible partially on Thursday and completely on Friday evening. Mare Crisium: [NE/H15] On Friday you should be able to observe
The week of May 7-13 takes us from Day 22 to Day 28, two days before New Moon. This week we will highlight the crater Tycho, visible around 3:00 a.m. on Tuesday morning. Tycho1: [SW/P8; L=11°W] Tycho is one of
The week of April 16-22 takes us from Day 1 through Day 7. This week we will highlight an unusual feature called the Lunar X, visible on April 22nd. Lunar X: [SE/M10] On Sunday evening (Around 6 days 22 hours
The week of March 26 – April 1 takes us from Day 10 to Day 16, right after full moon. This week we will highlight Sinus Iridum, visible on Monday and Tuesday nights. Sinus Iridum: [NW/E6] Around the end of