From here: Solar flare - Wikipedia
Just… wow.
That’s a beauty! Thanks for posting it.
Impressive.
At a rough guess, that flare’s length is 35 to 40 earth diameters.
Wow, thanks. The spacecraft that took that image has been in geosynchronous orbit since 2010, and is part of this series of NASA missions:
“Living With a Star (LWS) is a NASA scientific program to study those aspects of the connected Sun-Earth system that directly affect life and society.”