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Probably explained

Sighting in Notre-Dame-du-Pré, August 21, 2010

Savoie, Auvergne-Rhône-Alpes, France

Sighting on August 21, 2010 in Notre-Dame-du-Pré (Savoie, France). According to GEIPAN, it was most probably a sky lantern (class B).

What happened

The witness saw an orange fireball with several points inside it, resembling flames. It hung motionless or drifted slowly, then went out all at once. The sighting took place on a Saturday evening, around midnight. The witness reported it in an official statement and in a questionnaire that mentioned five witnesses in all, although the other four did not give testimony directly.

According to GEIPAN, these features (the flame-like look, the stationary or slow movement, the sudden extinction consistent with the fuel running out, and the time of the evening) largely match a flying lantern. The sighting had a low degree of strangeness. The position of the phenomenon was precise enough to suggest a release from the heights facing the observation site, where a road exists. The case remains weakly consistent, since there were no multiple direct testimonies. It was classified B: a probable sighting of a Thai lantern.

Account rewritten by SkyUnknown from the investigation report published by GEIPAN (CNES). The original text and case documents are on the official record.

Date
August 21, 2010
Location
Notre-Dame-du-Pré · town centre
Type of sighting
From the ground
Source classification
B
Explanation
Sky lanterns

Sources

Summary written by SkyUnknown from the facts published by the source.