CORROBORATED
CF-GEI-19790101846 CORROBORATED
The Négrépelisse Multi-Colored Light Observation
CASE FILE — CF-GEI-19790101846 — CASEFILES CLASSIFIED ARCHIVE
Date Date when the incident was reported or occurred
1979-01-13
Location Reported location of the sighting or event
Négrépelisse, Tarn-et-Garonne, France
Duration Estimated duration of the observed phenomenon
30 minutes (initial observation), observed again 3 hours later
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 January 13, 1979, beginning at 20:00 hours, multiple witnesses in Négrépelisse, a commune in the Tarn-et-Garonne department of southern France, observed a luminous object in the night sky that displayed multiple colors and emitted reflections. The object was positioned to the right of the Moon, though witnesses could not estimate the angular distance between the Moon and the phenomenon. The initial observation lasted approximately 30 minutes, with witnesses using binoculars to enhance their view.
After an absence of three hours, the witnesses returned at approximately midnight (00:00) and observed what appeared to be the same luminous phenomenon, now positioned further away and having moved toward the south. This directional movement corresponded with the natural apparent motion of celestial objects across the sky due to Earth's rotation. The multi-colored nature of the light was particularly pronounced when observed through binoculars.
GEIPAN investigators conducted astronomical analysis and determined this sighting was most likely a misidentification of bright stellar objects. The case received a Classification B rating, indicating a probable explanation with good consistency between witness testimony and the proposed astronomical explanation.
02 Timeline of Events
20:00
Initial Observation Begins
Multiple witnesses in Négrépelisse begin observing a multi-colored luminous object positioned to the right of the Moon. Binoculars are used to enhance the observation.
20:00-20:30
Extended Observation Period
Witnesses observe the object for approximately 30 minutes, noting its multi-colored reflections and stationary position relative to background stars.
20:30-00:00
Witnesses Depart Area
The witnesses leave the observation location for approximately three hours.
00:00
Second Observation
Upon returning around midnight, witnesses observe what appears to be the same luminous phenomenon, now positioned further away and having moved toward the south, consistent with stellar motion.
Post-incident
GEIPAN Investigation
GEIPAN investigators analyze the sighting report and astronomical data for January 13, 1979, concluding the observations match the visibility and characteristics of bright stars, particularly Sirius or Procyon.
03 Key Witnesses
Anonymous Witnesses
Civilian observers
medium
Multiple witnesses from Négrépelisse who observed the phenomenon using binoculars. They demonstrated diligence by making two separate observations three hours apart.
"The object was positioned to the right of the Moon and displayed different colors with reflections. After three hours, we saw the same luminous phenomenon but further away, having moved toward the south."
04 Analyst Notes -- AI Processed
This case demonstrates a textbook example of astronomical misidentification by well-intentioned witnesses. GEIPAN's thorough analysis identified three potential candidates for the observed phenomenon: Procyon (magnitude 0.40), Sirius, and Jupiter. The positioning to the right of the Moon ruled out Jupiter, which would have been visible to the Moon's left on that date. Both Procyon and Sirius were particularly prominent during mid-January viewing periods.
Sirius appears the most likely explanation given the witnesses' description of multi-colored reflections. Sirius, the brightest star in the night sky, is well-documented for its scintillation effects—appearing to flash in various colors (blue, white, red, green) due to atmospheric turbulence. This effect is significantly amplified when viewed through binoculars, which matches the witnesses' observation method. The apparent southward movement over three hours perfectly corresponds to the normal westward-to-eastward apparent motion of stars caused by Earth's rotation. The witnesses' decision to report the sighting indicates genuine puzzlement, but their description of the object's behavior contains no anomalous elements that contradict known astronomical phenomena. The case serves as an excellent example of how bright stars can be misperceived as anomalous objects, particularly when atmospheric conditions enhance scintillation effects.
05 Theory Comparison
BELIEVER ANALYSIS
Unidentified Aerial Phenomenon
A minority interpretation might argue that the witnesses observed an actual aerial phenomenon that coincidentally moved in a pattern resembling stellar motion. However, this theory finds no support in the evidence, as every described characteristic—color changes, position, movement pattern, duration, and behavior—perfectly matches known astronomical objects and phenomena. No anomalous behaviors were reported that would suggest anything other than a celestial object.
SKEPTIC ANALYSIS
Atmospheric Scintillation Enhancement
The use of binoculars by the witnesses likely played a crucial role in creating the perception of an unusual phenomenon. Binocular observation magnifies not only celestial objects but also atmospheric distortion effects. On January 13, 1979, atmospheric conditions may have been particularly conducive to enhanced scintillation, causing bright stars to appear as multi-colored, flashing objects rather than steady points of light. This optical phenomenon, combined with unfamiliarity with stellar scintillation effects, led to the perception of something anomalous.
06 Verdict
ANALYST VERDICT
GEIPAN's Classification B assessment is well-supported by the evidence. This case is almost certainly a misidentification of the star Sirius, possibly with additional observations of Procyon. The multi-colored reflections, enhanced visibility through binoculars, January timing, position relative to the Moon, and the apparent southward movement over three hours all align perfectly with observing a bright star under atmospheric scintillation. The witnesses' honesty in reporting what they saw, combined with the lack of any truly anomalous behavior (structured craft, impossible maneuvers, rapid acceleration), strongly supports the astronomical explanation. This case holds minimal significance for UAP research but serves valuable educational purposes in understanding how celestial objects can be misidentified, particularly when observed through optical aids that enhance atmospheric effects.
AI CONFIDENCE SCORE:
85%
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