Conditions weren't great but I went for a closeup of this plage on the surface of the sun, the last image looks to be developing into something a bit more active. Taken with the 100mm at f40 with the home brew CaK filter and the IMX174 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.