Monday, 26 September 2016

AR12593 in CaK - 25th September

Not much other than a region of decaying plage is what can be seen here in this active region as it headed towards the limb in this image taken with the Skywatcher ED80 stopped down to 60mm at ~1400mm focal length with the homebrew CaK filter and the PGR Chameleon 3 camera.