Sunday 9 June 2013

AR11765 ha 8th June

ar11765 ha by Mark Townley
ar11765 ha, a photo by Mark Townley on Flickr.

All the Ha images from saturday were taken with the 100mm PST mod at 2000mm focal length using the DMK31 camera. This is the only real active region on the suns disk at the moment, but it is certainly interesting to look at.