Balcarce; Province of Buenos Aires

Official source account — 2020 annual report, printed page 24: The photographer noticed an oval blurred object only after examining a photograph taken at Balcarce. CIAE found strong defocus consistent with something very close to the lens, together with two lateral projections resembling wing roots. It considered an insect crossing frontally through the camera view the supported explanation. Because the brief scene could not be repeated, the agency classified its conclusion Type B. The summaries distinguish reported observations from the agency’s proposed explanations. Source Type A/B ratings describe explanatory confidence and are not encounter classes. The map uses an approximate GeoNames locality centroid, not the observation point.