Over a six-hour period on April 21, 2015, NASA's Solar Dyanmics Observatory (SDO) observed a wing-like prominence eruption. SDO views the sun in various wavelegnths of the extreme ultravoilet, including 171 (shown in gold) and 304 (shown in orange) angstroms.
This video is public domain and can be downloaded at: https://svs.gsfc.nasa.gov/cgi-bin/det...