Year = 2003 Month = May Day = 17 Day-of-year = 137 Site = Poker Flat Sunrise = 12:22 Sunset = 07:09 Moonrise = 09:54 Moonset = 12:01 Moon_age = 17 Aurora = Unknown Cloud = Clear all night Magnetometer = Unknown ASC = Unknown MSP = Unknown VHF_radar = Unknown Electrojet = Unknown SDI = Ran all night, good data Bomem = Unknown MSG = Unknown Trailer = Unknown UW_FPI = Unknown CRL_NF_FPI = Unknown CRL_AS_FPI = Unknown Stratosperic_lidar = Unknown Rayleigh_lidar = Unknown Resonance_lidar = Unknown Ebert = Unknown Comments = Sodium obs. Sky was clearing at dusk, perfectly clear by dawn. Sodium signal is weak, but looks ok. Doesn't look like the sun is setting on the layer any more. MC 17-May-2003.