I might have to check out this star tools.

You have done well in my opinion just to capture this beautiful image as i am finding out all of the necessary steps involved just to get to that level.
To me, i think you have lost some sharpness and detail in the repro. The stars look to be toned down which is probably good but i would like to see the detail which is present in the original, to be there in the repro.
Just don't ask me how