REF: UAP/1950s/042Unexplained
1952-07-18

Lac Chauvet photographs

Puy-de-Dome · France·Photographic (analyzed)·1950s
Unexplained
§ ASummary

Engineer Andre Fregnale took 4 photos of a disc over lake; negatives analyzed repeatedly (incl. GEPAN-era and Guerin studies) with no hoax vector identified.

§ BWitnesses

Andre Fregnale

§ CEvidence & Documentation

4 negatives; Guerin photogrammetric analyses

§ DOfficial Investigation

Civilian-scientific (later CNES-adjacent review)

§ EStatus Assessment

Unresolved classic French photo case

§ FVerifiable Sources

Guerin analyses; GEIPAN historical documentation