We photographed something unexplained!

On a recent trip to the Sutherland Observatory we photographed something unexplained which we would like the experts to solve the mystery as to what we saw!
Site location: -32.3756, 20.8107
Date & Time 1: 21 October 2022 between 22:30 & 23:10 SAST
Date & Time 2: 24 October 2022 between 22:00 & 23:00 SAST
Direction: SW to SSW