First color image of a <a href="https://en.wikipedia.org/wiki/Sprite_(lightning)" class="extiw" title="w:Sprite (lightning)">sprite</a>. It was obtained during a 1994 NASA/University of Alaska aircraft campaign to study sprites.The event was captured using an intensified color TV camera.  The red color was subsequently determined to be from nitrogen fluorescent emissions excited by a lightning stroke in the underlying thunderstorm.
<a href="//commons.wikimedia.org/w/index.php?title=User:Eastview&amp;action=edit&amp;redlink=1" class="new" title="User:Eastview (page does not exist)">Eastview</a>
1994
<span class="int-own-work" lang="en">Own work</span>