Silent UFO sighted in Auvergne in 1978

Summary

In November 1978, several people in the Auvergne-Rhône-Alpes region witnessed an unusual aerial phenomenon. A luminous object composed of lights of different colors was observed moving silently, which intrigued the witnesses. Although testimonies varied in details, all agreed on the surprising absence of noise. The gendarmerie conducted an investigation, but not enough data was collected to formulate a conclusive explanation. This case, classified as C by the GEIPAN, remains an unsolved mystery.