This is a close-up view of the April 8 CME in ultraviolet light which reveals a wave (darker regions) expanding outward from the flare event. This movie creates a color image by combining filters for 211 Ångstroms (red), 193 Ångstroms (green) and 171 Ångstroms (blue).
GCMD keywords can be found on the Internet with the following citation:
Olsen, L.M., G. Major, K. Shein, J. Scialdone, S. Ritz, T. Stevens, M. Morahan, A. Aleman, R. Vogel, S. Leicester, H. Weir, M. Meaux, S. Grebas, C.Solomon, M. Holland, T. Northcutt, R. A. Restrepo, R. Bilodeau, 2013. NASA/Global Change Master Directory (GCMD) Earth Science Keywords. Version 126.96.36.199.0