Film Analysis of Unidentified Objects, 1953

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U.S. NAVAL PHCYrOGRAPHIC INTERPRETATION CENTER
U. S. NAVAL RECEIVING STATION
-.._ ~ ·-
Washington 25, D. C.
MAT <l
1953
Code Ol/IDIW/lbl
Jl2
Serial:
cBJ.~m
SECURITY INFORMATION
From:
Off'icer in Charge
To:
Director of Naval I ntelligence (OP-322H4D)
Subj:
Interpretation of Movies of Unidentified Objects;
progress report on
♦
Ref:
(a) Conf ltr DNI OP322Y5/rtm, dtd 27 Oct 1952 with
enclosures thereto
(b) Conf memo, Chief, Topical Division, USAF, AFOIN
2P2., dtd 24 Nov 1952 with enclosures thereto
(c) PIC Conf ltr 01/ml'w/gcl, ser 0263 dtd 5 Dec 1952
(d) Rest memo, Chief, Topical Division, USAF, AFOIN
2A2, dtd 16 Feb 1953
Encl:
(1) Charts 2-13
1. Reference (a) is a request from u. s. Air Force for the
i nterpretation of movies of unidentified objects taken in Utah,
2 July 1952. • I ncluded among the enclosures are approximately 30 feet
of processed, 16mm color motion picture film and a list of questions
for gui®nce in ,determining the type o-f analysis desired. Referenc.e
(b) requested interpretation of additional movies taken in Montana,
1950. This report superced.es reference (c) and presents the test
procedures and methods designed to ~nswer the questions contained in
enclosure 7 of reference (a). The results and analysis were performed
by the Photogrammetry Division, Evaluation Department of this Center
and do not necessarily represent the official attitude of the Depart­
ment of the Navy or this Center.
2. Tests and Procedure.
a. Plots.
The film exposed in Ute.his i n very poor condition; dry,
brittle, and With a tendency to break.
Af'ter i nitial viewing,
duplication of the film was performed in order to\preserve the frlm.
In the duplication process some color correction ~s made to permit
better Viewing of the objects. To prepare plots of the objects, a
stop crame projector was rigidly mounted at a fiXed distance from a
finel;-groW1d glass screen. The magnification was 22 times giving
a format size of 14.2" wide. This proved very satisfactory and
provided a shadow free image upon which overlay plots could be made.
CC>m"~l'UAb
SECURITY INFORMATION
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