2 hours exposure, 12x10 minute, WO 110 f6.5 Starlight Xpress MX916 6th Dec 2008
Processing Curves/Levels and Gausian blur of dark/dim zone
(http://www.axqo90.dsl.pipex.com/astro_images/2008/06_Dec_2008/CALIFORNIA.PNG)
its a bit over stretched, out it in AIP and do a Sigma scale on it and you will have a lot less noise.
Cheers Chris, I'll give that a go.
its under Brightness scaling, sometimes the preview is not on, that's the 3rd tab.