The week of February 24 – March 2 takes us from Lunar Day 26 to Day 3. This week we will highlight the moon craters Langrenus & Vendelinus, visible on Sunday night. The Great Eastern Chain: [SE/K-N16; L=61°E] There is
The week of February 17-23 takes us from Lunar Day 20 to Day 26. This week we will highlight the moon craters Ptolemaeus, Alphonsus, and Arzachel, visible on Wednesday night near the terminator. Ptolemaeus, Alphonsus, Arzachel: [SW/K-L9; L=3°W] (These may
The week of January 20-26 takes us from Lunar Day 21 to Day 27. This week we will highlight the Pytheas secondary moon craters, visible on Tuesday night and Wednesday night close to the terminator. Pytheas secondary craters: [NW/G7-8; L=19°W]
The week of December 30-Jan 5 takes us from Lunar Day 0 to Day 6. This week we will highlight the trio of moon craters, Theophilus, Cyrillus,and Catharina, visible on Saturday night. Theophilus, Cyrillus, Catharina: [Repeated from Day 5–SE/L12; L=24°E]
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
The week of December 9-15 takes us from Lunar Day 9 to Day 15. This week we will highlight the moon crater Schickard, visible on Thursday night. Schickard: [SW/P4; L=55°W] When you look at Schickard, you should immediately notice something
The week of December 2 – December 8 takes us from Lunar Day 2 to Day 8. This week we will highlight Rima Hyginus, visible on Saturday night. Rima Hyginus: [NE/J10; L=8°E] At the west end of the Ariadaeus rille,
The week of November 25 – December 1 takes us from Lunar Day 24 to Day 1. This week we will highlight the moon crater Humboldt, visible on Sunday night. Humboldt:1 [SE/M18] This moon crater is best viewed when there
The week of November 11-17 takes us from Lunar Day 11 to Day 17. This week we will highlight the moon crater Furnerius, visible on Sunday night. Furnerius: [SE/N16; L=61°E] This is the southernmost of the moon craters that make
The week of November 4-10 takes us from Lunar Day 3 to Day 9 This week we will highlight the moon crater Janssen, visible on Tuesday night. Janssen is an ancient impact moon crater located in the highland region near