CORROBORATED
CF-GEI-19840901031 CORROBORATED

The Coudray-Saint-Germer Moon Pursuit

CASE FILE — CF-GEI-19840901031 — CASEFILES CLASSIFIED ARCHIVE
Date Date when the incident was reported or occurred
1984-09-03
Location Reported location of the sighting or event
Le Coudray-Saint-Germer, Oise, France
Duration Estimated duration of the observed phenomenon
30-45 minutes
Object Type Classification of the observed object based on witness descriptions
sphere
Source Origin database or archive this case was sourced from
geipan
Witnesses Number of known witnesses who reported the event
3
Country Country where the incident took place
FR
AI Confidence AI-generated credibility score based on source reliability, detail consistency, and corroboration
85%
On the night of September 3, 1984, around midnight, three young witnesses traveling by car through rural Oise department observed what they believed to be a mysterious red-orange luminous phenomenon at low altitude. The object was observed discontinuously at multiple locations along their route between Les Fontanettes (Saint-Aubin-en-Bay commune), Le Coudray-Saint-Germer, and the Champignolle crossroads (Sérifontaine commune). The witnesses described the phenomenon as voluminous, luminous, positioned low on the southwestern horizon, and appearing to follow their vehicle - a classic 'following ball' effect. One witness noted a crucial detail: the object was 'always round but missing a piece on the left, as if a crescent was missing.' The observation caused significant distress among the young witnesses, who ultimately turned back in fear. During the 30-45 minute observation period, the object remained silent and appeared at consistent intervals as they drove. Witness T1 reported having had a similar experience in July 1984 while driving with her mother (T4). The witnesses provided precise location descriptions using road axes as reference points, enabling detailed analysis by GEIPAN investigators. GEIPAN's investigation, initially classified as 'D' (unexplained) but reclassified to 'A' (fully explained) upon re-examination, conclusively identified the phenomenon as the Moon in its gibbous phase. Astronomical verification confirmed the Moon's presence in the exact direction observed by witnesses, matching their description of a large orange-red object low on the southwestern horizon. The 'missing crescent' detail perfectly corresponded to the Moon's phase between first quarter and full moon. The case demonstrates how even clear-sky conditions can produce misidentification when witnesses are unfamiliar with astronomical phenomena, particularly when the Moon appears near the horizon with enhanced coloration.
02 Timeline of Events
July 1984
Previous Similar Observation
Witness T1 and her mother (T4) observe a similar red-orange phenomenon while driving, establishing a pattern of lunar misidentification.
1984-09-03 ~23:45
Initial Sighting Near Les Fontanettes
Two witnesses in a vehicle first observe a bright red-orange luminous object at low altitude in the southwestern sky. The object appears voluminous and silent.
1984-09-03 ~23:50
Third Witness Joins
A third person joins the two initial witnesses in the vehicle. All three now observe the phenomenon as they continue driving toward Le Coudray-Saint-Germer.
1984-09-03 ~00:00-00:15
Multiple Observation Points
Witnesses observe the object discontinuously at several locations along their route between Saint-Aubin-en-Bay, Le Coudray-Saint-Germer, and Champignolle crossroads. The object appears to follow their vehicle. T1 notes it is 'always round but missing a piece on the left, like a missing crescent.'
1984-09-03 ~00:15-00:20
Panic and Retreat
Fear overcomes the witnesses. T1 is crying and screaming in the car. The group debates whether to continue. They decide to turn back and flee to Le Coudray.
1984-09-03 ~00:30
Observation Ends
After approximately 30-45 minutes of discontinuous observation, the witnesses complete their retreat. The phenomenon (the Moon) continues its normal course across the sky.
Post-incident
GEIPAN Investigation and Reclassification
GEIPAN initially classifies the case as 'D' (unexplained). Upon re-examination with modern analytical tools, astronomical verification confirms the Moon's position, phase, and appearance match witness descriptions perfectly. Case reclassified to 'A' (fully explained).
03 Key Witnesses
Anonymous Witness T1
Young civilian motorist
medium
Young witness who had reported a similar observation in July 1984 with her mother (T4). Provided detailed testimony including the crucial 'missing crescent' observation.
"J'étais paniquée, j'ai eu très peur... J'ai eu vraiment très peur, j'en ai eu les larmes aux yeux. [I was panicked, I was very afraid... I was really very afraid, it brought tears to my eyes.]"
Anonymous Witness T2
Young civilian motorist/driver
medium
Driver of the vehicle who reported the group's collective fear and decision to flee.
"Je ne me suis pas arrêté, je pense que c'est par peur... Nous nous sommes sauvés au Coudray. Nous étions pris de panique tous les trois. [I didn't stop, I think it was out of fear... We fled to Coudray. We were all three seized with panic.]"
Anonymous Witness T3
Young civilian passenger
medium
Third witness in the vehicle who corroborated the group's fear response.
"Nous ne pouvions plus avancer... [T1] criait dans la voiture. [We couldn't go forward anymore... [T1] was screaming in the car.]"
Anonymous Witness T4
Mother of T1, previous witness
unknown
Mother of witness T1 who reportedly observed a similar phenomenon with T1 in July 1984.
04 Analyst Notes -- AI Processed
This case represents a textbook example of lunar misidentification despite clear weather conditions and multiple witnesses. The credibility factors are mixed: the witnesses provided detailed, consistent descriptions with precise geographic references that allowed investigators to verify the Moon's position. The emotional response was genuine and extreme, with witnesses reporting panic, tears, and the decision to flee. However, several factors indicate misidentification: (1) the 'following ball' effect is characteristic of astronomical objects observed from moving vehicles due to parallax; (2) the 30-45 minute observation duration matches sustained astronomical viewing; (3) the witnesses never mentioned seeing the actual Moon despite it being visible; (4) the description of a 'missing crescent on the left' precisely matches gibbous phase morphology. What makes this case particularly interesting is the psychological dimension. The witnesses were young and possibly experiencing their first encounter with a horizon Moon displaying enhanced coloration. Their extreme fear response - crying, screaming, fleeing - demonstrates how unfamiliarity with natural phenomena can trigger genuine UFO experiences. GEIPAN notes this was probably 'their first experience' and emphasizes the absence of cloud cover that might normally be invoked to explain unusual lunar appearance. The classification evolution from 'D' (unexplained) to 'A' (explained) reflects improved analytical tools and accumulated investigative experience, showing how case reassessment can provide definitive answers years later.
05 Theory Comparison
BELIEVER ANALYSIS
SKEPTIC ANALYSIS
Psychological Amplification of Natural Phenomenon
The case demonstrates how psychological factors can transform mundane events into anomalous experiences. The witnesses were young and likely predisposed to interpret unusual sights as threatening. Once initial fear was triggered (possibly by the unfamiliar appearance of a horizon Moon), group dynamics amplified the emotional response - one witness's fear feeding the others' in a feedback loop. The July 1984 previous sighting by T1 may have primed expectations for 'strange phenomena' in that region. The extreme panic response (crying, screaming, fleeing) is disproportionate to the actual stimulus and indicates psychological rather than observational causation. This case should be studied more for its insights into witness psychology than for any anomalous phenomenon.
06 Verdict
ANALYST VERDICT
GEIPAN's final classification of 'A' (fully explained) is definitive and well-supported. The astronomical verification confirmed the Moon's exact position matched witness descriptions, the gibbous phase matched the 'missing crescent' detail, and the behavioral characteristics (following effect, duration, silence) are entirely consistent with lunar observation from a moving vehicle. The case significance lies not in the phenomenon itself but in documenting how psychological factors - youth, inexperience, fear - can transform a mundane astronomical event into a terrifying anomalous experience. This case serves as an important reference for understanding witness psychology in UAP reports and demonstrates the value of GEIPAN's systematic re-examination program using modern analytical tools.
AI CONFIDENCE SCORE:
85%
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