The week of February 17-23 takes us from Lunar Day 24 to New Moon, so the Moon is viewable only in the early morning hours. This week we will highlight the crater Timocharis in Mare Imbrium. Timocharis: [NW/G8] Located below
The week of February 10-16 takes us from Lunar Day 17 (one day after full moon) to Day 22. This week we will highlight the craters Cleomedes and Proclus, viewable on Monday evening. Cleomedes: [NE/G15] Cleomedes is the first significant
The week of February 3-9 takes us from Day 9 to Day 15. This week we will highlight the Bullialdus Causeway and the lunar dome Kies (Pi), viewable Monday night. Bullialdus Causeway1: [SW/M7] There is a wide, shallow valley that
The week of January 27-February 2 takes us from Day 3 to Day 8. This week we will highlight the craters Posidonius and le Monnier, viewable on Thursday evening. Posidonius/le Monnier: [NE/F-G13] There are only two craters of any consequence
The week of January 20-26 takes us from Day 25 to Day 2. Unfortunately the Moon is too close to the Sun all week long to observe it, although you might be able to squeeze in something early Tuesday morning.
The week of January 13-19 takes us from Day 18 to Day 24. This week we will highlight Mare Nectaris and the crater Fracastorius, viewable late Monday night, and Rupes Altai (the Altai Scarp) viewable Tuesday evening. Mare Nectaris: [SE/L13]
The week of January 6-12 takes us from Day 11 to Day 17. This week we will highlight Mare Humorum, viewable for the whole week beginning on Monday evening. Mare Humorum: [SW/M6] The Humorum basin is one of the best
The week of December 30 – January 5 takes us from Day 4 to Day 10. This week we will highlight Rima Hyginus (the Hyginus Rille), viewable on Thursday evening, and the Quadrantid meteor shower. Rima Hyginus: [NE/J10;] At the
The week of December 23-29 takes us from Day 27 to Day 3. This week we will highlight the craters Peirce & Picard and the wrinkle ridge Dorsum Oppel, viewable on Sunday evening. Peirce & Picard: [NE/H15] The two largest
The week of December 16-22 takes us from Day 19 to Day 26. This week we will highlight Mare Vaporum, viewable early Wednesday morning, and the Winter Solstice. Mare Vaporum: [NE/H10; L=4°E] Notice how there are finger-like projections extending from