Phase: Waxing Crescent (46.3%)

Location: Demotte Campground in Grand Canyon National Park
Date: 2017-05-31
Time: 8:37 PM MDT
Equipment: Binoculars, 10x30 IS 
Magnification: x10
Seeing: poor
Transparency: poor

Moonset: 1:20 AM MDT     Moonrise: 12:31 PM
Sunrise: 6:13 AM MDT       Sunset: 8:40 PM MDT

Mostly cloudy, but it did clear our late in the evening.    

Mare: Mare Crisium, Mare Fecunditatis, Mare Nectaris, Mare Serenitatis, Mare Tranquilitatis

Craters:
Aristoteles and Eudoxus on the upper edge of the terminator were easily seen.
The 'Gang of Four' appear as white circles on the surface with no definition of features.