Looks fantastic but there is one very minor detail you forgot...
Centered over the viewscreen is a flat trapezoidal panel on the ceiling arch. You can see a bit of it in the top left corner of the screen grab. I'm sure there's a better shot of it somewhere else in the series but this is the only shot that came to mind that I knew what episode it was from.
You are correct. I knew that piece was there but forgot to model it! An easy fix though.