When I last posted this data (
http://www.iceinspace.com.au/forum/s...d.php?t=102147) I had never taken a Ha pic before and my fist attempt left me thinking about doing better.
here is my reworking and It's a bit more how I would have liked it to come out the first time!
All advice gratefully received. Thanks for looking
Paul
EDIT
Added the old picture for direct comparison
NorthGroup ED127mm APO, QHY10, OAG and Lodestar Guiding. MaximDL, Processed in CCDStack v2, Post in CS6. 13 X 600 sec RGB (OSC), and 6 X 900 sec Ha Bin 2X2.