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.
Images of the Sun, our local star, at a range of wavelengths with specialist solar telescopes. Imaging tutorials, solar bits and pieces for sale, talks and outreach with the Charlie Bates Solar Astronomy Project CBSAP.