Tuesday, 14 May 2013

Mega-Prom Liftoff - 13th May

prom widefield by Mark Townley
prom widefield, a photo by Mark Townley on Flickr.

At the same time an X-class flare was erupting on the eastern side of the solar disk, on the western limb a huge prominence was lifting off. This shot was taken seconds before clouds finally came in and called a halt to observing for the day.