Event 1998/05/31 UT

                First appearance in C2:                  04:26 UT
                Average velocity in C2/C3:           692.2 km/s2.2 km/s
                Average acceleration in C2/C3:  8.7 m/s/s
                Position angle in C2:                       88 degre
                Angular width in C2:                      112 degree
                First appearance in C1:                  03:46 UT
                 Magnitude:                                         C2.0
                 Onset Time:                                       03:53 UT
                 Peak Time:                                         05:15 UT
                 CME final speed:                               692.2 km/s
                 Flare rise time:                                  82.0 min
                 CME acceleration in rise phase:    140.7 m/s/s
        Source Region:
                  S19E110, NOAA 8232 (extrapolated from magnetogram)
                  impulsive type
                  EIT: dimming/expansion above the limb at POS. 135 started at 03:03 UT, and post-eruption loop arcade
                  Flare parameters may not be accurate, since the footpoint is a little behind the limb and partially blocked

CME Height-Time measurement data (03/01/04)

CME measurement timing versus flare

CME Height-Time, flare plot

CME Velocity-Time, flare plot

Sample Images