What light was the Falcon 9 grid fin occulting in todays SpaceX Nusantara Satu Mission live broadcast?
I backed up the time slider on the YouTube live broadcast and snapped some screen captures, cropped with python and made a GIF below.
There is some light that blinks because it's seen through the grid fins, slowly moving.
Moon? Light on the ground? "Chaser" spacecraft's headlights?
This is seen between about
T+ 00:05:39 and