This is incredible and wonderful news, huge congratulations! As someone who works at the intersection of design and engineering, the detail about delivering "starless versions" so the credit typography doesn't compete with the bright stars is exactly the kind of invisible technical problem-solving I love reading about on here.
On a personal note, I find it very refreshing to hear that a major studio opted for real captured photography. Love that they specifically wanted the authenticity of real narrowband data and that speaks to the production team's vision. Enjoy the premiere night, feel incredibly proud. I was already planning on watching the movie this weekend (it releases here on the 26th) and now I'm doubly excited because I know this neat little tidbit.
I'm pretty sure this "Dad did something crazy" moment is going to be a core memory for your kids. Congrats!
I'm curious how the starless versions are created. From the steps at the end, I couldn't see a 'this is how stars are removed' step. Maybe it's part of stacking (but most stars would remain present?) or the calibration process treating stars as noise?