"I did notice a purple halo in the Jupiter shot and a slight hint of colour (greenyyellow colur) on the moons rim"
errr....isn't this supposed to be a triplet APO? But for the price, who can complain. Contrasty, clear, crisp & sharp images are the 'standard features' of any decent refractor

We pay big bucks for good APO's mainly because we don't want that chromatic aberration
But anyway, I've given Gilman a list of 2-3 different scopes + the heavy-duty GOTO GPS mounts to buy just for testing out of curiosity. I'll sell them again soon after. So if anyone is interested to buy them after I'm finished with them, just let me know.