Some have seen this else were but some have not.
PGR 2.8 Grasshopper 4 pane mosaic 16Bit @14fps. Then the ZWO 12Panes 16Bit @15fps. 15 Min between shots 06 09 2013.
The thumb nails are just to get them on forum, view Hi Res.
PGR 2.8 Hi Res -
http://www.eyesonthesun.com.au/image...09/PGR_No2.jpg
ZWO Hi Res -
http://www.eyesonthesun.com.au/image...2013_09_06.jpg