Event 1998/02/23

    CME (C2/C3):
                First appearance in C2:                  13:28 UT
                Average velocity in C2/C3:           269 km/s
                Average acceleration in C2/C3:     24.2 m/s/s
                Position Angle in C2:                    104 degree
                Angular width in C2:                      51 degree
     CME (C1):
                First appearance in C1:                  12:44 UT
                 Magnitude:                                        N/A
                 Onset Time:                                      N/A
                 Peak Time:                                        N/A
                 End Time:                                         N/A
                 CME final speed:                              269 km/s
                 Flare rise time:                                   N/A
                 CME acceleration in rise phase:        N/A
        Source Region:
                 Behind but close to the limb based on EIT and SXT
                  EIT: 12:34 UT, Pos. 135, above limb, start expanding at 1.3 Rs
                  GOES: no flare associated, possible back-side CME
                  SXT: bakcside event at PA ~ 135 deg

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

CME measurement timing versus flare

CME Height-Time, flare plot

CME Velocity-Time, flare plot

Sample Images