CORROBORATED
CF-GEI-20101008345 CORROBORATED

The Angoulême Jupiter Observation

CASE FILE — CF-GEI-20101008345 — CASEFILES CLASSIFIED ARCHIVE
Date Date when the incident was reported or occurred
2010-10-09
Location Reported location of the sighting or event
Angoulême, Charente, France
Duration Estimated duration of the observed phenomenon
1 hour
Object Type Classification of the observed object based on witness descriptions
light
Source Origin database or archive this case was sourced from
geipan
Witnesses Number of known witnesses who reported the event
1
Country Country where the incident took place
FR
AI Confidence AI-generated credibility score based on source reliability, detail consistency, and corroboration
85%
On October 9, 2010, at 01:20 hours, a witness in Angoulême, France observed through binoculars an exceptionally bright luminous object in the sky positioned south-southwest. The witness was particularly struck by the intense luminosity and the presence of colored light points that appeared to shift between green, white, and red hues over the course of the observation, which lasted approximately one hour. The testimony was reported two years after the fact, on October 11, 2012. The witness described the object as being significantly brighter than the surrounding stars, which were barely visible by comparison. The object maintained a relatively stable position in the southwest quadrant of the sky at approximately 225° azimuth, though it appeared to move gradually westward during the observation period. GEIPAN's astronomical analysis definitively identified the object as the planet Jupiter, which on that date had a magnitude of -2.9, making it brighter than any star in the night sky. Between 01:20 and 02:20, Jupiter's calculated position moved from azimuth 193° to 220°, descending from 40° to 36° elevation. Weather conditions included southeast winds with high humidity, which lightened the sky background, obscured dimmer stars, and caused significant atmospheric scintillation—the latter explaining the color variations observed by the witness.
02 Timeline of Events
2010-10-09 01:20
Initial Observation Begins
Witness observes exceptionally bright luminous object through binoculars in the south-southwest sky at approximately 225° azimuth. Object displays intense luminosity far exceeding surrounding stars.
01:20-02:20
Extended Observation Period
Over the course of one hour, witness observes the object displaying color variations between green, white, and red. Object gradually moves westward while maintaining high brightness. Jupiter's actual position during this time: azimuth 193° to 220°, elevation descending from 40° to 36°.
02:20
Observation Concludes
Witness concludes observation after approximately one hour of viewing the luminous object and its color changes.
2012-10-11
Report Filed with GEIPAN
Two years after the event, witness files official report with GEIPAN describing the 2010 observation in detail.
2012-10-11
GEIPAN Investigation Completed
GEIPAN conducts astronomical analysis, confirming Jupiter's presence at magnitude -2.9 in the reported sky position. Case classified as 'B' (probable identification) due to ~20° positional uncertainty preventing definitive 'A' classification.
03 Key Witnesses
Anonymous Witness
Civilian observer
medium
Single witness who observed through binoculars and reported the sighting two years after the event. Demonstrated attention to detail regarding brightness, color changes, and directional information.
"The witness was astonished by the luminous intensity and the observation of colored light points. The object was very bright, especially by comparison with the stars which were barely visible."
04 Analyst Notes -- AI Processed
This case represents a textbook example of astronomical misidentification, though the witness's detailed observations demonstrate genuine curiosity and attention to detail. The ~20° discrepancy between the witness's reported position (225° azimuth) and Jupiter's calculated astronomical position (193°-220° azimuth) is within acceptable margins for visual estimates, particularly for an untrained observer making retrospective reports. The reported color changes (green/white/red) are entirely consistent with atmospheric scintillation effects on bright celestial objects, especially under the humid, windy conditions documented that night. GEIPAN's classification as 'B' (probable identification) rather than 'A' (certain identification) is appropriately conservative given the 20° positional uncertainty and the two-year delay in reporting. The witness's use of binoculars likely enhanced the scintillation effects, making the atmospheric color distortions more pronounced. This delayed reporting is common in astronomical misidentifications where witnesses take time to convince themselves that what they saw was genuinely anomalous before filing a report.
05 Theory Comparison
BELIEVER ANALYSIS
SKEPTIC ANALYSIS
Misidentification Enhanced by Optical Aid
The use of binoculars likely amplified both the perceived brightness of Jupiter and the atmospheric scintillation effects, creating an impression more dramatic than naked-eye observation would have produced. The two-year delay before reporting suggests the witness's memory may have enhanced certain details or introduced uncertainty about exact positioning. The witness's unfamiliarity with astronomical phenomena led to misinterpretation of a perfectly natural celestial object under somewhat unusual atmospheric conditions.
06 Verdict
ANALYST VERDICT
This case is confidently explained as an observation of the planet Jupiter under atmospheric conditions that enhanced its already exceptional brightness and caused pronounced scintillation effects. The witness's surprise at the object's intensity is understandable—Jupiter at magnitude -2.9 is dramatically brighter than typical stars, and atmospheric turbulence can create striking visual effects when viewing through binoculars. The positional data, timing, brightness description, and color variations all align with the astronomical explanation. While the case demonstrates the value of detailed witness reporting and thorough astronomical analysis, it holds minimal significance for UAP research beyond serving as an educational example of how atmospheric phenomena can transform familiar celestial objects into seemingly anomalous sightings.
AI CONFIDENCE SCORE:
85%
07 Community Discussion
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