Boulder, Colorado, December 1966
- Date of account
- 1966-12
- Location
- Boulder, Colorado
- Source
- uap_archive
- Record updated
- 2026-10-10
Record summary
Project Blue Book case file indexed from National Archives metadata; page-level review pending.
Published source text
Read the available text below. Archive transcriptions may contain OCR errors; later context is labelled separately. A recorded claim is not a finding that it happened.
Source page 1
Source text · mention onlyDATE-TME GROUP 2.LOCATION 13 Dec. 66 14/0400Z Boulder Colorado multiple SOURCE 10.CONCLUSION Civilian Astro(Sirius) Sirius was rising on an azimuth of ll5 degrees NUMBER OF OBJECTS just before the sightings. Cne LENGTH OF OBSERVATION 11.BRIEFSUMMARYANDANALYSIS Varied Observer watched a star like object in the Southeastern TYPE OF OBSERVATION sky for about 20 minutes. The colors wcre white,changing Ground Visual Bx to red, green, purple and blue. The object was still visible after the 20 minute observation.The observer COURSE was out watching the stars when the object was notea. Stationary PHOTOS The description is consistent with that of an astronomical Yos observation.Sirius with a stellar magnitude of-l.5 ON. is quite brignt and when low on the horizon is often PHYSICAL EVIDENCE mistaken for a UFO. Yos XR No FORM SEP630-329(TDE) Prevlousditlonsofthi.formmaybeused.
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