This is fascinating! My bad clip has a very similar jello effect with a just bit less wobbling. I'll post it this evening.
Specular reflections occur everywhere, constantly, anytime the sun is out. Glass, leaves, metal, glossy paint, etc. The...
Perhaps but it was a new drone without accidents and the props were ok. I tried everything. In fact, when I got rid of that Mavic Air, and switched to the Mavic 3 the same wobble happened. So I do all of my sunsets with a tripod.
Specular Reflection is pretty rare, so rare in fact that there are many that say its not a thing. If you look at the "science" of sensors it makes real sense. Cinematographers call this phenomenon "glint" in their videos. I myself have never had...
Have you tried it with OA off, assuming that is an option for hyperlapses on the Air 3S? OA often falsely perceives the sun and its specular reflections as obstacles.
Edited: to add specular reflections, based upon @Cafguy 's more precise post...