UAP Reported at Sandia Base, 1948-1950

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Sig~ting No. 175
Photograph of Unknown Aerial Phenomena taken at De.til ,
New Mexico by Cpl Lertis E. Stanfield, Holloman Air Force
Base, New W~xico on 24 and 25 Feb 1950. An analysis of
the above photograph was made by Dr . Lincoln La.Paz, Head
of the Institute of ~~teoritics, University of New Mexico,
Al buquer que, New N~xico, who reached the following con­
clusions:
a o
Tl:e angular diameter of the perfectly round
luminous object Stanfield observed was approx­
imately 1/4 of a degree .
b.
The angular velocity of the object in the sky
was greater than half _a degree per minute .
Dr . LaPaz stated that on the basis of the results (a)
and (b) above, the object seen by Stanfield was not the
moon (for the angular diameter is too small) , it was not
Venus or any other pl anet (for the angular diameter was
too large), and it was not a bright fixed star slightly
out of focus (for the observed rate of motion is double
that due t o the diurnal rotation of the earth) .
NW 91526