Thanks a lot guys.
Great link Derek, exactly what I was looking for - thank you.
Redid couple of images using Nick's method - what do you think?
http://flyer.smugmug.com/Other/Solar...011nick2-L.jpg
http://flyer.smugmug.com/Other/Solar...otcolour-L.jpg
Last one reprocessed in Registax 6
http://flyer.smugmug.com/Other/Solar...ickfinal-L.jpg