The week of February 1-7 takes us from Lunar Day 20 to 26. This week we will highlight Serpentine Ridge. Serpentine Ridge: [NE/G12] in the Sea of Serenity, west of the crater Posidonius, you will find the Moon’s best example
The week of June 15-21 takes us from Lunar Day 24 to New Moon. This week we will highlight the crater Gassendi, viewable early Tuesday morning. Gassendi: [SW/L5; L=40°W] Three generations of crater age can be easily observed on Mare
The week of April 13-19 takes us from Lunar Day 20 to 26. This week we will highlight the Apennine Mountain Range, viewable around 5:00 A.M. on Wednesday morning. Montes Apenninus: The Apennine Mountain Range [NW/G9] is the most spectacular
The week of August 26 – September 1 takes us from Day 25 to Day 3. This week we will highlight Mons Rümker and Reiner Gamma, both visible Tuesday morning around 4:00 a.m. Mons Rümker: [NW/E4] Unfortunately this feature is
The week of July 8-14 takes us from Day 7 to the end of Day 12. This week we will highlight the crater Triesnecker and the Alpine Valley (Vallis Alpes) viewable on Tuesday evening. Triesnecker: [NE/J10] This crater is located
The week of June 10-16 takes us from Day 8 to Day 14, one day before full moon. This week we will highlight the Apennine Mountains, viewable on Monday and Tuesday evenings. Montes Apenninus: [NW/H9-G10] The Apennine Mountain Range is
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