Baader film filter on a William Optics 80mm Megrez f 6.9 refractor. An adapter from William Optics Binos, (equivalent to a 1.6 Barlow )into a Canon 450D.  100 ISO. 1250th Exp. Time: 'seems to have been 12.04:31 BST ,this on 15th July 2011 Mexborough South Yorks