Year = 1998
Month = February
Day = 20
Day-of-year = 051
Site = Poker Flat
Sunrise = 17:37
Sunset = 02:29
Moonrise = 13:21
Moonset = 19:54
Moon_age = 23
Aurora = Quiet - Arcs clearly visible, but remained north of zenith
Cloud = Clear all night
Magnetometer = Active
ASC = Long moondown, ran OK
MSP = Ran all night but 4278 channel failed
VHF_radar = No data
Electrojet = No data
SDI = Ran all night, good data
Bomem = Unknown
MSG = No data
Trailer = No data
UW_FPI = No data
Stratosperic_lidar = Unknown
Rayleigh_lidar = Unknown
Resonance_lidar = Unknown
Ebert = No data
Comments = Entry at 18:50 UT, MC.
MSP 4861 problem diagnosed as intermittent
shutter operation.
4278 channel gave no data.  I adjusted (slightly) the home sensor for the 4278 filter tilter.  The problem may be that the old tilt calibration no longer applies.
Updated, 03-02-98, 02:15 UT, MPK.