Saturday, 10 October 2015

CaK Full Disk 4th October

A quiet sun, but there's always something to see in CaK wavelengths on the disk.  Taken with the 40mm scope at 650mm focal length with the homebrew CaK filter and the PGR Blackfly IMX249 GigE camera.
Posted by BrierleyHillSolar at Saturday, October 10, 2015