Event 1997/08/30

    CME (C2/C3):
                First appearance in C2:                  01:30 UT
                Average velocity in C2/C3:           360 km/s
                Average acceleration in C2/C3:     9.3 m/s/s
                Position Angle in C2:                     67 degree (Halo)
                Angular width in C2:                     360 degree
     CME (C1):
                First appearance in C1:                   N/A (see structure at 00:43 UT, but not LE)
                 Magnitude:                                        M1.4
                 Onset Time:                                      22:56 UT
                 Peak Time:                                       23:32 UT
                 End Time:                                        M1.4 UT
                 CME final speed:                              360  km/s
                 Flare rise time:                                   N/A
                 CME acceleration in rise phase:        N/A
        Source Region:
                 EIT: 23:07 UT, brightening and dimming, N15E20
                 GOES: M1.4,S22:56,P23:32,E23:54,N30E17,double peak
                 SXT: 00:52 UT, large scale X-ray plasmoid ejection toward NE, source region at ~ N30E20
                 C1: the structure seen in C1 at 00:43 UT and 01:39 UT are not CME LE
                 C2: A halo CME from close to disk center

CME Height-Time measurement data (00/05/04)

CME measurement timing versus flare

CME Height-Time, flare plot

CME Velocity-Time, flare plot

Sample Images