Project Blue Book Case File
Denver, ColoradoSeptember 1956
Summary
On September 1, 1956, a civilian in Denver, Colorado, reported a single object. The sighting was recorded at 0310Z and lasted about one hour and ten minutes.
The witness described one red object whose shape changed from oblong to square. The object had a very bright light. It moved from west to northwest. It was viewed both with the naked eye and through binoculars.
The Air Force concluded the sighting was probably caused by an astronomical body.
Reported location
Denver, Colorado
Date of incident
September 1956
State / country
CO / US
Page count
1 scanned page
USAF evaluation
unknown
Microfilm
T1206, Roll 26