Colour looks good to me. I like the detail, maybe it is seeing?? The stars in the right side corners look good, but the stars in the left corners look a little elongated. That might be tilt going on there and giving the suspect reading on CCDstack (which tends to be a little unreliable for my tastes, but I still use it from time to time).
Couple critique suggestions from me.
1. I can see the image overlay in the top corners. Perhaps cropping the image a little just to remove this little distracting aspect.
2. the core looks a little burnt out to me. I like the detail surrounding it but cannot see the core well. (maybe just being picky forgive me if I am)
Other than that I wish I had an image this good of the lagoon at hi res. I would rather see a galaxy though with that kit.
