Good point and thinking about it there was a light breeze on the night, it probably wouldn't take much to throw things off especially with a Newt's open tube design. The Quattro is a nice Fast scope alright, really looking forward to using it more and hopefully getting the most out of it.
First of all well done on the images they are well framed and the stars look good. The problem is just your colour balance. Here is a link that will help you along Hope this helps you out.
  