Are we supposed to be looking at the stationary object in the center of the screen? If so, couldn't it just be a space station? It doesn't move or
anything so what makes this so unusual?
If you slow down or pause the footage as one of those
flying discs passes by, you can see that they somewhat
resemble the discs that are in the STS-75 video.
I don't know what these are but if I had to guess I would say space dust.