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E-009615LANDMARK CASE · HIGH CORROBORATIONDATE PRECISION: exactRECORD COMPLETENESS: 100%

Lago de Cote Aerial-Survey Anomalous Image

1971-09-04Lago de Cote, Alajuela, Costa Rica

An aerial-survey frame over Costa Rica contained a large sharply defined anomalous oval/disc-like image not visually reported at the time. Later analysis used the connected original negatives and camera/film data.

// LINKED CLASSIFICATIONS:Cone / Bell / Hat(C-000259)→Scientific & Observational Types(P-000101)→
Claims are displayed with the source wording, locator, relationship and verification state. Competing claims remain separate rather than being averaged into a single answer.
SOURCE COMPARISON

Encounter · Hall Volume II Encounter Claim

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CLAIM-953218reported
“Aerial-survey frame 300 showed a large in-focus oval/disc-like anomalous image even though no object was visually noticed during the flight.”
The UFO Evidence, Volume II: A Thirty-Year Report
SRC-009500 · Lago de Cote aerial-survey image; uploaded PDF pp. 306-309
SUPPORTS
SOURCE COMPARISON

Encounter · Hall Volume II Evidence Claim

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CLAIM-953219reported
“Haines and Vallee later obtained connected original negatives; photogrammetric, grain and digital examinations argued against double exposure or deliberate fabrication and confirmed anomalous image detail.”
The UFO Evidence, Volume II: A Thirty-Year Report
SRC-009500 · Lago de Cote original-negative analyses; uploaded PDF pp. 306-309
SUPPORTS
SOURCE COMPARISON

Encounter · Hall Volume II Source Caveat

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CLAIM-953220reported
“The absence of a visible shadow and asymmetric sharp/fuzzy edges remained unresolved, and no extraordinary motion was observed.”
The UFO Evidence, Volume II: A Thirty-Year Report
SRC-009500 · Lago de Cote unresolved image questions; uploaded PDF pp. 308-309
CONTEXTUALIZES
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Hall Volume II Photographic-Evidence Framework · Hall Volume II Source Framework

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CLAIM-953200reported
“Hall retains the 1964 principle that a still photograph is only approximately as reliable as the person who took it and the documented circumstances surrounding it.”
The UFO Evidence, Volume II: A Thirty-Year Report
SRC-009500 · Photographic evidence witness-reliability principle; uploaded PDF pp. 297-299 · PRIMARY SOURCE
SUPPORTS
SOURCE COMPARISON

Hall Volume II Photographic-Evidence Framework · Hall Volume II Evidence Claim

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CLAIM-953201reported
“Hall evaluates six factors: witness character, strangeness, camera technical data, direct testimony/circumstances, completeness of analysis and peer review.”
The UFO Evidence, Volume II: A Thirty-Year Report
SRC-009500 · Hall six-factor photographic rating methodology; uploaded PDF pp. 297-299 · PRIMARY SOURCE
SUPPORTS
CLAIM-953230disputed
“Hall discusses an anomalous October 1978 DMSP weather-satellite image obtained through an Elmendorf AFB weather center. Bruce Maccabee reportedly ruled out several image artifacts but could not fully exclude a satellite or space-debris object.”
The UFO Evidence, Volume II: A Thirty-Year Report
SRC-009500 · October 1978 DMSP weather-satellite anomalous image; uploaded PDF pp. 312-313
CONTEXTUALIZES
Multiple claim rows are intentionally retained when sources disagree. ANOMALY does not silently reconcile competing values.
SOURCE COMPARISON

Hall Volume II Photographic-Evidence Framework · Hall Volume II Source Caveat

HOW TO READ THIS →
CLAIM-953202reported
“Hall stresses that a technically authentic image does not by itself establish the identity or extraordinary origin of the photographed object.”
The UFO Evidence, Volume II: A Thirty-Year Report
SRC-009500 · Image authenticity versus object identity caveat; uploaded PDF pp. 297-299 · PRIMARY SOURCE
SUPPORTS
Lago de Cote Aerial-Survey Anomalous Image (1971-09-04): Evidence Dossier & Witness Reports | ANOMALY | ANOMALY UAP Archive & Controlled Vocabulary