Year = 2017
Month = June
Day = 20
Day-of-year = 171
Site = McMurdo
Sunrise = 10:55
Sunset = 08:46
Moonrise = 10:59
Moonset = 01:08
Moon_age = -4
Aurora = Unknown
Cloud = Diffuse or hazy cloud, but sky features discernable at most times
Magnetic_Activity = Unknown
ASC = 
KEO = 
SDI = Ran all night, good data
Comments =