Project Blue Book Special Report No. 14 (Analysis of Reports of Unidentified Aerial Objects)

Text

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~---------------------
Cl)
0
C-
.s: -
0
en
u -
Cb......
.0
0
(710-
__, "-
Cb
.0
E
::::, z
300
275
250
225
200
175
150
125
I
100
I
I
I
I
•
Sun, rise
75
I
I
I
I
50
I
I
I
I
J
25
0
I
I
I
I
I
Sun~t
I
I
I
All object sightings ------+--41►
Unknown object sightings
-90
-60
-30
0
+30
+60
+90
+60
+30
0
-30
-60
-90
Angle of Elevation of The Sun
Fl GURE 40 FREQUENCY OF OBJECT SIGHTINGS
OF 10 DEGREES OF ANGLE
BY ANGLE OF ELEVATION OF THE SUN, INTERVALS
A-7536