Saturday, 20 April 2019

CaK Closeup - 20th April

Taken with the ED60 stopped down to 40mm to cut back on the spherical aberration with this lens at full aperture, a 2.5x barlow was used to zoom in a little closer on AR12739 as it gets ever closer to the limb.  The PGR Chameleon 3 camera was also used.