Event 1997/02/23

                First appearance in C2:                  02:55 UT
                Average velocity in C2/C3:           903.3 km/s
                Average acceleration in C2/C3:  -4.3 m/s/s
                Position Angle in C2:                     89 degree
                Angular width in C2:                      63 degree
                First appearance in C1:                  00:15 UT
                 Magnitude:                                        B7.2
                 Onset Time:                                       02:21 UT
                 Peak Time:                                         03:33 UT
                 End Time:                                          04:34 UT
                 CME final speed:                               903.3 km/s
                 Flare rise time:                                   72.0 min
                 CME acceleration in rise phase:     209.1 m/s/s
        Source Region:
                  N25E80, NOAA 8019  (from extrapolation of the active region positions)
                  Associated with filament eruption, clearly observed by high-cadence EIT at 304 A

CME Height-Time measurement data (04/02/04)

CME measurement timing versus flare

CME Height-Time, flare plot

CME Velocity-Time, flare plot

Sample Images