Year = 2009 Month = March Day = 17 Day-of-year = 076 Site = Poker_Flat Sunrise = 16:04 Sunset = 03:51 Moonrise = None Moonset = None Moon_age = 21 Aurora = Very Quiet - Faint arcs visible at times, far to the north Cloud = Clear all night Magnetometer = Unknown ASC = Unknown Digital_ASC = Unknown MSP = Ran all night on all channels SDI = Ran all night, fair data Comments = A clear and very quiet night. SDI data generally look ok, although there is an odd period of strange structure in the wind field around magnetic midnight (and just before.) Not sure what to make of this. MC