June 19, 2022
Tomorrow morning at 4:45 am, just before sunrise, the waning gibbous moon will appear in the southeastern sky. With a pair of binoculars, it will be possible to see the terminator, the line between day and night, bisect Mare Serenitatis.
The Moon as it will appear tomorrow at 4:45am. Mare Serenitatis is an ancient impact crater that was filled with lava which has since cooled. Image credit: NASA SVS