I have done some adjustments and removed temporary mounting and have installed the permenant mount.
Dark subtraction is great for stars, but you will see black dots against the clouds at night where pixels have been subtracted, At least these pixels will not be confused as stars now. On starry nights you will not see these dots against the black sky.
Camera is now correctly orientated. You will see from the stars that West is left, East is right, North is down and South is at top. This is as you see the stars looking up.
Now identified as Graeme Kershaw sky camera,
Not sure if I can fix the overlay. This is a work in progress. Will require some programming I think (from looking at the code). Maybe a programmer smarter than me can help?
Enjoy