There’s no evidence for anything flying, so there’s no need to bring the concept of a UFO into the discussion. There’s no light scanning across the scene, there are two different illumination events, so no need to describe what’s there as a “search beam”.
Stop phrasing unknown things in terms of one of the least likely possibilities. That’s 2 strikes.
The initial more neutrally-coloured ambient lighting event’s a little hard to isolate ... Read even more
