> Furthermore, their core assumption that star positions should appear lower to an observer on a globe than on a plane ("If the earth's curvature is real and causes the angular descent of stars") is f...
From the comment you’re replying to I quote; “the Stellarium software, on which they depend for predicting occlusion times, is intended for star observation session planning, not exact timing. It can be a minute or two off at times, and atmospheric conditions add more potential errors.”