January 31, 1998 Aircraft Data Summary

       Orbit: 511
       Conjunction: 09:13:52
       Aircraft Position: 70.91 N  167.12 W
       Direction of flight: North
       Auroral Condition: Arc overhead, slowly brightening in center forming
                          a narrower band.  Poleward arcs appear and 
                          disappear.

              ASC: arc almost overhead, a little to the south with some
                     aurora directly overhead
              AFT: Either diffuse aurora or moonlit sky 
              FWD: arc in middle

       Directory Name: \Fast98\Jan31
       Data Files:

          1.FAST positions:  jan31_98.fst
          2.Aircraft position log: ac980131.gps

       Image Files:

              Aircraft (RX = aft camera, FX = forward, AC =  All-sky)
              All-sky images at conjunction: -60 s -50 s -40 s -30 s, 
                 -20 s, -10 s, 0 s, 10 s, 20 s, 30 s, 40 s, 50 s, 60 s
              Aft camera image at conjunction +3 s
              Forward camera image at conjunction -13 s