Red UFO changing color near Jupiter

Summary

A 1957 report describes a red object, three times brighter than Jupiter, observed by a couple in Harrow-Weald, England. The object was seen for 30 to 60 seconds, with sharp directional changes and a shift to bright orange at each turn. Although initially thought to be a comet, investigators concluded it was an aircraft. The description of movements and the lack of sound or trails made it incompatible with phenomena like meteors or balloons. The observation occurred under ideal conditions—clear sky, no moon, no clouds—which increased the mystery of the object's identity.

Later analyses by the U.S. Air Force considered the description typical of an aircraft at high altitude, though no flight records were found in the area at the time. The absence of sound and additional lights was interpreted as a possible limitation of witnesses describing moving objects against a night sky. Despite investigations, the object could not be definitively identified, and the case was classified as a conventional aircraft.