Year = 2017
Month = June
Day = 21
Day-of-year = 172
Site = McMurdo
Sunrise = 10:56
Sunset = 08:46
Moonrise = 11:14
Moonset = 02:48
Moon_age = -3
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 =