Lacus Mortis
Type: Lunar lake
Size: 150km
Longitude/latitude: 27.3° E, 45.1° N
Age: Older than 3.9 billion years
Best time to see: Five days after new Moon (11 and 12 June) or four days after full Moon (26 and 27 June)
Minimum equipment: 10x binoculars
A cheery look at the Moon this month, as we hone in, the Lake of Death! It's a distinctive feature that's easily overlooked thanks to its position just to the north of . With a diameter of 650km and coated with dark lava, Mare Serenitatis is very easy to identify. Immediately to the north of it is a region where lava spills around various elevated highland regions. This lava defines a 300km region called , which translates as the Lake of Dreams. Lacus Mortis borders Somnorium to the north, with 45km and 43km co-joined craters sitting on this border.