The week of July 29 – August 4 takes us from Day 24 to New Moon. This week we will highlight a series of rilles called Rimae Sirsalis, located in the SW quadrant of the Field Map and viewable on
Series of Rilles on the Moon: Rimae Sirsalis

The week of July 29 – August 4 takes us from Day 24 to New Moon. This week we will highlight a series of rilles called Rimae Sirsalis, located in the SW quadrant of the Field Map and viewable on
The week of May 27 – June 2 takes us from Day 20 to Day 26. This week we will highlight Rima Ariadaeus, viewable close to the terminator on Sunday evening, June 2, Day 26 and located in the NE
The week of April 8-14 takes us from Day 29 to Day 6. This week we will highlight the moon crater Janssen, located in the SE quadrant of the Field Map at P13. Janssen: [SE/P13; L=40°E] Janssen is located 85
The week of August 21-27 takes us from Day 5 to Day 11. This week we will highlight Rima Ariadaeus on the moon, viewable Tuesday night. Rima Ariadaeus: NE/J11; L=14°E] The best place to see rilles on the Moon is
The week of February 8-14 takes us from Lunar Day 27 to Day 3. New Moon is on Thursday, February 11, so for most of the week, the Moon is not visible. This week we will highlight the crater Petavius.