The heat of the day was starting to take its toll with the seeing conditions when I took this shot, but it still gives a nice overview of our star at CaK wavelengths. Taken with the 100mm @ f5 with the DMK31 camera and homebrew CaK filter.
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.