Example #1  of CME associated quasi-symmetrical dimmings extraction:

 

Example #2 of quasi-symmetrical front extraction:

Intensity

vertical cross-sections from EC toward the front, projected on plane in 8 directions, whole circle

Total Intensity of  the left plot

 EC (yelow),  Dimming (red),  Front (blue)

 

Example #3 of CME associated asymmetrical dimmings extraction:

 

Example #4 of asymmetrical front extraction:

vertical cross-sections from EC toward the front, projected on plane in 8 directions

 

Example #5 Toward STEREO 3D view of EIT wave & Dimming Structure 

 
 

          NEMO