Report of Unidentified Flying Object — Bloomington, Illinois, 12 September 1963

This document is a formal report regarding an Unidentified Flying Object sighting in Bloomington, Illinois, on 12 September 1963. The report was generated by the Chanute Technical Training Center and submitted to the Air Force Systems Command (AFSC) at Wright-Patterson Air Force Base. The witness, a housewife, reported observing a round, white, baseball-shaped object for two separate intervals (30 minutes and 15 minutes). The object was described as an unusually large light that moved from the South to the Southwest, eventually disappearing behind clouds at an elevation of 35 degrees. The investigation was conducted by 2nd Lt. John G. Mullin, who concluded that the object was the planet Jupiter. This conclusion was supported by data from the Air Almanac, which confirmed Jupiter's position and movement during the specified time frame. Additionally, local police officers who were consulted stated that the object pointed out by the observer appeared to be a very bright star. The report includes detailed meteorological data, noting that atmospheric conditions at the time, specifically identical temperature and dew point readings, may have contributed to light refraction.