The week of January 10-16 takes us from Day 9 to Day 14. This week we will highlight Sinus Iridum, viewable on Wednesday and Thursday evenings. Sinus Iridum: [NW/E6; L=32°W] Sinus Iridum (the Bay of Rainbows), located in the northwest
Most Spectacular Example of Subsidence on the Moon: Sinus Iridum
![Most Spectacular Example of Subsidence on the Moon: Sinus Iridum Most Spectacular Example of Subsidence on the Moon: Sinus Iridum](http://andrewplanck.com/wp-content/uploads/2022/01/Sinus-Iridum-on-the-moon.png)