this one is with the 4inch mak and neximaqge 2xbarlow uv ir cut filter bader settings on neximage were 5fps gain up to one third gamma up to almost half saturation up almost to half then shutter 1-25 then use the brightness setting to get the image where i want it as far as bright goes i no if i use to much gain or anuthing else it degrades the image oh yeah make sure in registax u pick the best frame for it to refer to it takes time to go through them all but tit pays off