Part 43 of a series reassessing the documentary record behind the 1933 Magenta narrative. TL;DR 689 of 3,201 reports were unknown (21.5%), with insufficient information a separate category. These were report counts, not 3,201 independent objects. The best-rated reports had the largest unknown share. Consolidating reports of the same phenomenon does not remove that finding; it does change the numbers. Five of six initial comparisons crossed the report’s 1% threshold; two did after astronomical...