CORROBORATED
CF-GEI-20120508245 CORROBORATED

The Doudeauville Bolide: Normandy Fireball Event

CASE FILE — CF-GEI-20120508245 — CASEFILES CLASSIFIED ARCHIVE
Date Date when the incident was reported or occurred
2012-05-28
Location Reported location of the sighting or event
Doudeauville, Seine-Maritime, Normandy, France
Duration Estimated duration of the observed phenomenon
Several seconds
Object Type Classification of the observed object based on witness descriptions
light
Source Origin database or archive this case was sourced from
geipan
Country Country where the incident took place
FR
AI Confidence AI-generated credibility score based on source reliability, detail consistency, and corroboration
85%
On May 28, 2012, at approximately 1:10 AM, an amateur astronomer in Doudeauville, Seine-Maritime, observed a luminous phenomenon while observing the sky in the direction of Mars. The witness first noticed a white trail followed by a red-orange fireball ('boule de feu de couleur rouge orange') moving across the night sky. The phenomenon disappeared behind the church roof toward the northwest direction. Notably, a muffled detonation ('détonation sourde') was heard during or shortly after the observation. The following day, the witness conducted searches around his residence but found no ground traces of the phenomenon. GEIPAN's investigation revealed that this was not an isolated sighting. Multiple witnesses across Normandy and the Paris region reported the same phenomenon during the same time window. Video recordings captured the event, corroborating the witness accounts and confirming the northwest trajectory of the object. The official investigation documented specific characteristics including the object's form, color, behavior, the presence of a white trail, and the characteristic sounds associated with the event. Based on the comprehensive evidence—including the physical characteristics (white trail, red-orange coloration), acoustic signature (sonic boom), multiple corroborating witnesses, video documentation, and directional consistency—GEIPAN classified this case as 'A': certain observation of a bolide (meteoroid fall, commonly called a meteorite). This represents the highest level of certainty in GEIPAN's classification system, indicating a definitively identified natural phenomenon.
02 Timeline of Events
01:10 AM
Initial Detection
Amateur astronomer observing Mars notices sudden appearance of white trail in the night sky
01:10 AM
Fireball Appearance
Red-orange fireball ('boule de feu') becomes visible following the white trail, moving across the sky
01:10 AM
Sonic Event
Muffled detonation heard, consistent with sonic boom from atmospheric entry
01:10 AM
Object Disappears
Phenomenon disappears behind church roof toward the northwest direction
May 29, 2012
Ground Search
Witness conducts search around residence for ground traces; no fragments found
Post-Event
GEIPAN Investigation
Official investigation identifies multiple witnesses across Normandy and Paris region, reviews video evidence confirming northwest trajectory
Post-Event
Classification
Case classified as 'A' - certain observation of bolide (meteoroid)
03 Key Witnesses
Anonymous Amateur Astronomer
Amateur astronomer, civilian
high
Amateur astronomer conducting night sky observations from Doudeauville. Was observing Mars at the time of the sighting, indicating familiarity with celestial observation and astronomical phenomena.
"Le lundi 28 mai 2012 à 1h10 et remarque soudain le passage d'une trainée blanche puis une boule de feu de couleur rouge orange."
04 Analyst Notes -- AI Processed
This case demonstrates exemplary investigation methodology and the value of multiple independent witnesses. The primary witness's credentials as an amateur astronomer enhance credibility—such observers typically have experience distinguishing between various celestial phenomena and conventional aircraft. The witness's immediate directional reference (observing Mars) provides precise timing and orientation data. The muffled detonation heard is consistent with a sonic boom from a meteoroid entering the atmosphere at supersonic speeds, a characteristic often reported with larger bolides. The corroboration is particularly strong in this case. GEIPAN's investigation identified additional witnesses across a wide geographic area (Normandy and Paris region), and crucially, video evidence was obtained. The fact that video recordings confirmed the northwest trajectory matches the primary witness's observation adds significant weight to the analysis. The witness's unsuccessful ground search the following day is expected—most meteoroids either completely ablate in the atmosphere or fragments land in unpredictable locations far from observation points. The GEIPAN 'A' classification represents absolute certainty, reserved for cases with overwhelming evidence of conventional explanation.
05 Theory Comparison
BELIEVER ANALYSIS
SKEPTIC ANALYSIS
Possible Space Debris Re-entry
While GEIPAN concluded this was a natural meteoroid, an alternative explanation could be orbital space debris re-entry. Characteristics such as the sonic boom, bright fireball, and multi-regional visibility are also consistent with larger pieces of space junk burning up on re-entry. However, the lack of any reported satellite or rocket stage re-entries for this date and time, combined with the typical bolide characteristics, makes natural meteoroid origin more likely.
06 Verdict
ANALYST VERDICT
This case is definitively explained as a bolide—a large meteoroid entering Earth's atmosphere. The evidence is overwhelming and multi-sourced: a trained observer (amateur astronomer), characteristic visual appearance (white trail, red-orange fireball), acoustic signature (sonic boom), multiple independent witnesses across two French regions, and video documentation. GEIPAN's 'A' classification is fully justified. While dramatic in appearance, this phenomenon is a well-understood natural occurrence. The case's significance lies not in mystery but in its value as a textbook example of how proper investigation, multiple data sources, and scientific methodology can definitively identify aerial phenomena. It serves as a useful comparison case for distinguishing genuine anomalous reports from natural astronomical events.
AI CONFIDENCE SCORE:
85%
07 Community Discussion
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