Year = 2021
Month = June
Day = 20
Day-of-year = 171
Site = McMurdo
Sunrise = 10:56
Sunset = 08:46
Moonrise = 00:15
Moonset = 10:35
Moon_age = 10
Aurora = Unknown
Cloud = Clear early, overcast later
Magnetic_Activity = Unknown
ASC = 
KEO = 
SDI = Fair data, but time coverage limited by moonlight
Comments =