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.
A close up of huge AR12529 in CaK light taken with the 40mm scope at 1100mm focal length using the PGR Chameleon 3 (IMX265) camera. The small 3.45um pixels give great image scale at these short wavelengths.