Tuesday 4 June 2013

ar11762 Ha 100mm f20 2nd June

ar11762 Ha 100mm f20 by Mark Townley
ar11762 Ha 100mm f20, a photo by Mark Townley on Flickr.

This active region has plenty of plasma flowing around in it. Taken with the 100mm PST mod at 2000mm focal length DMk31 camera.