The hiding, troutlike prominence is exposed when the blue coronal view <a href="//commons.wikimedia.org/wiki/File:Curving_prominence.JPG" title="File:Curving prominence.JPG">File:Curving prominence.JPG</a> is combined with a red-coded ultraviolet picture that samples cooler chromospheric temperatures.
John A. Eddy
1973-07-02
SP-402 A New Sun: The Solar Results From Skylab page 113