Year = 2004
Month = February
Day = 21
Day-of-year = 052
Site = Poker Flat
Sunrise = 17:35
Sunset = 02:31
Moonrise = 18:24
Moonset = 03:01
Moon_age = 1
Aurora = Disturbed - Arcs reached the zenith for significant periods
Cloud = Clear all night
Magnetometer = Active
ASC = Long moondown, ran OK
MSP = Ran all night but 6300 channel failed
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 = Clouds only came in during the last hour of obs. Magnetometer was mostly flat, apart from a 500 gamma event late in the night.
MC 21-Feb-2004.