Monday 25 April 2016

AR12533 in CaK 23rd April

AR12533 is a pretty small and quiet active region, but pretty never the less.  A new smaller as yet undesignated spot can also be seen just on the limb.  Taken with the 60mm scope at 1050mm focal length with the PGR Chameleon 3 (IMX265) and the homebrew CaK filter.