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🇺🇸 USAF — Project Blue Book

Bright Balloon Sighting in Colorado

Bright Balloon Sighting in Colorado
United States1 pages
PDF · official source

Summary

In January 1957, an observer in Glenwood Springs, Colorado, reported a luminous object ascending in the sky. It was described as a circular, bright, and clear light, about the size of a small orange. The object was observed for eight minutes, both with the naked eye and through a three-power K-3 telescope. The sighting occurred from Grand Junction in the southeast direction at a 49-degree elevation. Although initially considered a UFO possibility, investigators concluded it was likely a balloon that had been recently released.

The official assessment of the case pointed toward the object being a weather balloon, though other possibilities like an aircraft or astronomical phenomenon were not ruled out. The detailed description and duration of the observation made the report notable, but no conclusive evidence of an unconventional nature was found. The case was filed as likely a balloon, though some uncertainty remains in the records from that time.