Year = 2008 Month = December Day = 04 Day-of-year = 339 Site = Poker_Flat Sunrise = 19:35 Sunset = 23:44 Moonrise = 22:28 Moonset = 06:45 Moon_age = 6 Aurora = Active - One or more breakups occurred, with bright aurora often south of zenith Cloud = Variable, but generally poor Magnetometer = Active ASC = Unknown Digital_ASC = Unknown MSP = Ran all night on all channels SDI = Ran all night, fair data Comments = SDI data appear to be affected by the "charge bleeding" problem. This produces measurement artifacts that manifest as strong westward wind and low temperatures along a north-zenith-south aligned band. MC