Thursday 28 April 2011

CaK Full Disk 27th April

cak full disk, originally uploaded by Mark Townley.

Here's another 6 pane mosaic taken with my homemade CaK filter, 70mm frac @ f11 and DMk31 camera. I had a tweak with the alignment of the second interference filter in the setup and this seems to yield slightly more detail than previous images. I like being able to image the sun at these wavelengths with larger aperture than the CaK PST! :)