PROJECT BLUE BOOK

UNIDENTIFIED FLYING OBJECT CASE FILES · 1947 – 1969

CASE REFERENCE6786689

DATE OF SIGHTINGFebruary 1957

REPORTED LOCATION50mi Sof Bismark N D

FRAMES2

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Machine transcription · mean legibility 59.5/100 · engines: tesseract-200dpi

Transcribed Frames

FRAME 001 / 002tesseract-200dpi

1. DATE

} Fah 2 O5

3 DATE-TIME GROUP

7. LENGTH OF OBSERVATION

pis

30 minutes
BRIEF SUMMARY OF SIGHTING |

PROJECT 10073 RECORD CARD

2 LOCATION 12. CONCLUSIONS
0D Was Balloon
50 mi of Bismark N.D 2x Probably Balloon

4. TYPE OF OBSERVATION

EP Ground- Vi sucl

0 Air Vi swal
SOURCE sae

Housewife

a)

Possibly Balloon

3. NUMBER OF OBJECTS

one

Red and green flashing light observed
at 75 dgr azimuth, 80 min later still

‘at same bearing but had advanced about

40 dgr.int elevation. Changed to dim
white and faded out, ©

ATIC FORM 329 (REV 26 SEP 52)

+4) 3G

|

O Was Aircroft
© Ground-Rodar O Prebobly Aircraft
0 Air-Intercept Radar O Possibly Aircroft
0 Wes Astronomical
Oo. Sropably Aetconem| nal ;
GO Possibly Astronomical ~~ *
9. COURSE = |0 Other
O Insufficient Date for Evaluation
GO Unknown
NE tage
11. COMMENTS

Star chart and almanacs disclose
that ARCTURUS a very bright star
was at the approximate bearings
and elevations given, Increase

in elevation of 45dgr is not
probable. Sighting most probably
balloon since flight and descrip-
tion conform w&th this analysis

FRAME 002 / 002POOR LEGIBILITY — PENDING RE-EXAMINATION

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