Color-changing triangular object in Bligny

Summary

On November 11, 1976, between 17:30 and 18:45, a witness in Bligny observed a triangular object with shifting colors in the sky. It appeared either stationary or moving without a clear pattern. There were no other witnesses or official records, and the gendarmerie did not investigate. GEIPAN classified the case as C, leaving it unexplained.