The 23 December 1996 CME:

Below we plot line emission versus position along the slit (y-axis) and line wavelength (x-axis), for various times before, during, and after the CME. Notice brightening by a factor of 100 in both hot and cool lines, as well as the spatially-dependent Doppler line-shifts (see Ciaravella et al. 1997).

H I Lyman alpha:

C III 977.02 and H I Lyman gamma:

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