On the left here we have the illustration of one of the "four observables" I listed in my video analysis - i.e. the rotation of the light patterns in the background.
But I wonder if perhaps there's something that deserves more focus, the rotation of the diffraction spikes. In particular the spike on "top" of the Gimbal shape, but also some more subtle similar spikes. I'd not really talked about this much, as it felt a little subjective. But staring at it more now, it seems like there's a very distinct pattern of light and dark within the "aura" (the white-ish glow).
In particular there seems to be a broad slightly dark region on the right.
To make it easier to see I increased the video speed to 4x, and rendered it at 60fps. This means it's displaying every other frame, and twice at fast at 60fps, which make the motion a lot smoother. The contrast has not been adjusted, and I took the video from a Prores 444 export of the original WMV, so the pixels should be identical.
Can you see what I'm talking about?
Here's it at different speeds: