Saturday 13 July 2013

ar11789 ha 13th July

ar11789 ha colour by Mark Townley
ar11789 ha colour, a photo by Mark Townley on Flickr.

All quiet in Ha apart from a very small B - class flare as this active region passes over the limb. 70mm PST mod @ f11 DMK31.

Posted by BrierleyHillSolar at Saturday, July 13, 2013