The week of May 11-17 takes us from Lunar Day 20 to Day 25. This week we will highlight Rima Hyginus, viewable Wednesday morning, and Mare Vaporum, viewable Wednesday & Thursday mornings. Mare Vaporum: [NE/H10; L=4°E] Notice how there are
The week of May 4-10 takes us from Lunar Day 12 to Day 19. This week we will highlight the Sirsalis Rilles and the crater Galilaie, viewable on Tuesday evening. Rimae Sirsalis: [SW/L3-4] Just in from the southwest shore of
The week of April 27 – May 3 takes us from Lunar Day 5 to Day 11. This week we will highlight the crater Manilius and the Sulpicius Gallus Rilles, viewable on Wednesday evening, Day 7. Sulpicius Gallus Rilles: [NE/G10-11]
The week of March 16-22 takes us from Lunar Day 23 to Day 28. This week we will highlight the Hippalus rilles, viewable around 5:00 a.m. on Wednesday morning. Rimae Hippalus: [SW/M6] On the east shore of Mare Humorum you
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 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
I hope everybody caught the transit of Mercury across the face of the Sun on Monday morning! The week of November 11-17 takes us from Day 14 (virtually the Full Moon) to Day 20. This week we will highlight the
The week of November 4-10 takes us from the end of Day 7 to Day 13. This week we will highlight the Triesnecker rilles, viewable on Monday evening. Triesnecker rilles: [NE/J10] What a great place to poke around with your
The week of October 14-20 takes us from Day 15 to 21. This week we will highlight a feature commonly referred to as The Great Eastern Chain, viewable on Monday evening. The Great Eastern Chain: [SE/K-N16] There is a conspicuous