La Mure (38) 21.11.1978

Summary

In November 1978, two witnesses in La Mure observed a violet glowing ball near Mont Cimon. The sightings happened on three different days—18th, 19th, and 21st—with variable speeds. No sound was heard during the events. One witness observed the phenomenon for about three minutes before it disappeared at high speed. The GEIPAN classified the case as D, indicating no conventional explanation was found.