Event 1998/04/21

    CME (C2/C3):
                First appearance in C2:                  19:03 UT
                Average velocity in C2/C3:           527 km/s
                Average acceleration in C2/C3:     6.1 m/s/s
                Position Angle in C2:                    292 degree
                Angular width in C2:                      62 degree
     CME (C1):
                First appearance in C1:                  18:04 UT
                 Magnitude:                                       N/A
                 Onset Time:                                      N/A
                 Peak Time:                                        N/A
                 End Time:                                         N/A
                 CME final speed:                              526 km/s
                 Flare rise time:                                   126 min
                 CME acceleration in rise phase:        69.6 m/s/s
        Source Region:
                 backside of the Sun close to the limb at PA 315
                  An intermediate CME
                  EIT: filament eruption, filament start rising before 16:47 UT at N30W90
                  SXT: eruption at 19:22 UT from back-side of the Sun at PA 315

CME Height-Time measurement data (03/02/06)

CME measurement timing versus flare

CME Height-Time, flare plot

CME Velocity-Time, flare plot

Sample Images