Thursday, 29 December 2016
AR12261 in CaK - 29th December
With my new found gap in the trees i've now over an hour to pass solar imaging in the winter season around solar noon, and, after messing around with some full disks still had some time to spare. Seeing wasn't good with the low sun as you would expect, but I decided to crack out the Skywatcher ED80, and stopping it down to 60mm I took a closer look at some of the plage that is currently visible in Calcium wavelengths. Viewing the image full size there is the smallest of pores visible in this relic active region. Taken with the homebrew CaK filter and the PGR Chameleon 3 camera in conjunction with the Daystar Interference Eliminator to tame Newtons rings that can be a problem.
Posted by Mark Townley at Thursday, December 29, 2016