Hi Simon, I really prefer the colours you extract from these narrowband images. I'm rarely happy with any of the combinations I come up with. Even when there is data from the 3 filters I always end up with more of a duo band image compared with those posted by others. You always manage to have normal looking, nicely coloured stars as well. Will shortly post my effort as further encouragement not only to you, but anyone else that so far hasn't put up any of their images. They don't need to be masterpieces people, else I'd have posted nothing. I only post my best, so that also says a lot. Hope all's well Simon and again thanks for your most welcome replies and great images. Best wishes, Ray