AR11805 shows the foreshortening depression of the famous Wilson Effect as it nears the limb. Taken with the 100mm PST mod at 3200mm 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.