Boulder, ColoradoSeptember 1960

Insufficient Data

Summary

On September 30, 1960, a civilian in Boulder, Colorado, reported an object at 0840 (about 9:40 p.m. local), at night under a bright, clear sky. The witness, who had radar and electronics experience in the Navy, described a bright greenish-white object shaped like an inverted cone, about the size of a basketball, with flashing lights. It was first seen about 25 degrees up to the north-northwest, then moved slowly to the northeast and faded slowly. The sighting lasted about 32 minutes. The sky was clear with visibility over 15 miles. The witness was considered reliable. The Air Force listed the case as possibly the star Vega.

Reported location

Boulder, Colorado

Date of incident

September 1960

State / country

CO / US

Page count

4 scanned pages

USAF evaluation

unknown

Microfilm

T1206, Roll 40

Original case file scans

Original case file · scanned by NARAPage 1 of 4

View transcribed text

J : PROJECT 10073 RECORD CARD | :
I. DATE 2. LOCATION 12. CONCLUSIONS
1 0 0 Was Bolloon
30 Sep 60 Boulder, Colorado 8 Probably Balloon
| 3. DATE-TIME GROUP 4. TYPE OF OBSERVATION ¥. Tar wom
a 0 Was Aicraft
BI a icine BH Ground- Visual O Ground-Rodor O Probably Aireroft
oMT____39/ 08L0z 0 AirVisual O Air-Intercep? Rador O Possibly Aircroht
: 5. PHOTOS . SOURCE 0 Was Astronomicol
: O Yes OD Probably Astronomical
B No Civilian I Possibly Astronomical Vega
7. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS | 9. COURSE 8 Oiler
1 0 Insufficient Data for Evaluation
32 min one NE 0 Unknown
CER Re i EES ERS EON, SORE AER (INE SIND A EPCS SUSE
10. BRIEF SUMMARY OF SIGHTING 1). COMMENTS
Bright greenish-white object with flashing Possibly the star Vega.
lights, shape of inverted cone, size of
basketball, moved slowly to NE, fading slowly.
ATIC FORM 329 (REV 26 SEP 52) 4
| i$ 3
AN
]

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Source: National Archives Catalog · NAID 28989485