This large single spotted active region was crackling away but never really did any large scale flaring. The image was taken with the 100mm PST mod at 2000mm fl with the DMK31 camera.
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.