Scientific Advisory Panel on Unidentified Flying Objects, Report, 1952-1953

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.d. Object• 1n the Great 1'alla case vare 1»lieved to b&Ye
probably bein ~, am th• brlght lights nch Ntleotiona.
e. Th.re vae no ft.lid reason tor the attempt to relate the object.
1n the Tremonton eightillg to those 1n t.he Great Falla a1ght­
1ng. rue mq have been due to m1sumcstam1ng in their
~active. The objects 1n the Great Falla eightblg are
atrongq auspectec1 ot being ret1ect1ona ot a1rcrllft Jmown to
have been :bi the area.
to The intensity change ~ the TNmoJiton lights vu too g.t
tar ~~e
of tho P:I.L. bypothesia ~t the appaNDt
motion Md changing intensity ot the lights mlicated utr~
high speed in small orbital i:atha.
g. Apparent lack ot guidance or investigators b;1 thoee tam131ar
'With u.F.o. reports am axplanatiom,.
h. ~is ot light 1ntensi't7 ot objects made tram dupl.1cate
rather than arig1.ml. film. The or1g1nal t1lm vaa noted to
ha.Te a 1IIIOh lighter background (atf'ectiilg • relat1w brightnaa
of object) and ·th• objocta appeared ?DW?h leas bright..
1. Method or obtaining data ot light intensity appeared raul.ty
bacause of unauitabilit7 of equipnent and questionable
assumptions 1n maJdng av.rages ot readi:ngs.
j. Ro data had bean obtained on the senait1v1t7 ot Xodac!n-ome
film to light ot various intensities usillg the·same Ceiiili&
type a.t the aame lans openiJJgs.