Optical Flow of CMEs in SECCHI HI1

Details Optical Flow of CMEs in SECCHI HI1 Optical Flow of CMEs in SECCHI HI1

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007agufmsh31a0230c&link_type=abstract

American Geophysical Union, Fall Meeting 2007, abstract #SH31A-0230

Physics

7513 Coronal Mass Ejections (2101)

Scientific paper

The SECCHI HI1 coronagraph is providing impressive new data showing the evolution of CMEs as they propagate towards Earth. We have applied an optical flow technique to the HI1 data to estimate the projected velocity of the CME. The optical flow technique we applied has previously been used to analyze SOHO-LASCO-C2 coronagraphic data. Here, we present the analysis of two CMEs observed in HI1-A on 2007 April 20 and 2007 July 9.

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