Trio of Active Regions in CaK Light 8th february

This is my favourite image from sundays session in CaK light as it hints at what the ED80, stopped down to 60mm, is capable of.  While not perfect the seeing must have been slightly better than it was in the rest of the session as there is more finer detail visible.  Taken at 960mm focal length with the homebrew CaK filter and the DMK31 camera.