Saturday, 14 April 2012


ha ds400019_g4_b3_ap510 by Mark Townley
ha ds400019_g4_b3_ap510, a photo by Mark Townley on Flickr.

This cluster of spots was taken with the 100mm Tal, Baader D-ERF, Lunt Wedge & DMK31 @ f20. These results using the D-ERF seem quite promising. Interestingly this active region had been formed for some time before NASA decided to designate it.