Update - I've been playing with Pixinsight this weekend and have worked through a number of tutorials on processing steps. So much to learn and so many settings. This is the same data only this one is entirely processed in Pixinsight - the first time I've managed to do this and also the first time I've employed a number of the modules. Processing workflow was based on this tutorial:
http://www.radice.biz/articoli/trans...gexamplem8-eng
Here is a link to the full res version:
http://astrob.in/full/186876/0/