Sunday 28 April 2013

s2377 CaK 27th April

s2377 cak colour by Mark Townley
s2377 cak colour, a photo by Mark Townley on Flickr.

Taken with the 100mm frac at f5 with homebrew CaK filter and DMK31. This active region was undesignated at the time the image was took (s2377), however now is designated AR11732.