Hi Paul,
that already looks great.
I've compared it to an APOD
http://apod.nasa.gov/apod/ap070315.html
& another pic
http://www.starshadows.com/_img/imag...er_ST10XME.jpg
& yours looks just as good - if not better.
The aqua colour of the galaxy arms may be up for debate though?
I'm not sure.
cheers
Allan