Within Ille et Vilaine UFOs
When Strange Lights Became Ordinary Objects
Many Ille-et-Vilaine reports became understandable once balloons, satellites, lanterns, aircraft and flares were checked against the evidence.
On this page
- Balloons and lanterns in Rennes and Châteaugiron
- Satellites, ISS passes and Iridium flares
- Why sincere witnesses can still misread the sky
Page outline Jump by section
Introduction
Many Ille-et-Vilaine UFO reports became less mysterious when investigators treated them as sky-recognition problems rather than as extraordinary events. In Rennes, Châteaugiron, La Bouëxière, Mordelles and nearby communes, witnesses described silent lights, odd shapes, slow crossings and sudden disappearances that felt puzzling from the ground. GEIPAN, the French space agency’s public unit for unidentified aerospace phenomena, later linked several of these reports to ordinary objects: balloons, lanterns, satellites, the International Space Station and aircraft. CNES describes GEIPAN as the body that collects, analyses, archives and publishes eyewitness accounts, and its own national figures show that identified or probably identified cases make up the large majority of its record.[CNES]cnes.frGEIPAN | CNESGEIPAN | CNES
That does not mean the witnesses were careless. The Ille-et-Vilaine files show the opposite: sincere observers can be fooled by distance, darkness, lack of sound, unfamiliar shapes and the simple fact that many human-made objects now cross the sky. The useful lesson is not “people imagine things”, but “ordinary objects can look extraordinary when seen briefly, silently and without scale”.
Why solved sightings matter in Ille-et-Vilaine
Ille-et-Vilaine’s public UFO history is strongest when it is read as a set of investigated files, not as a chain of legends. GEIPAN’s classification system is central to that reading. A case is classed A when the phenomenon is identified after investigation, B when it is probably identified, C when it remains unidentified because data are lacking, and D when it remains unidentified after investigation. GEIPAN says it weighs both “consistency”, meaning the amount and reliability of usable information, and “strangeness”, meaning what remains unexplained after comparison with known hypotheses.[Geipan]cnes-geipan.frGeipan How does GEIPAN classify observation cases? | GEIPANGeipan How does GEIPAN classify observation cases? | GEIPAN
That framework changes how a local sighting should be read. A solved case can still be valuable because it shows what a convincing explanation looks like. In Ille-et-Vilaine, some of the most instructive cases are not the unresolved ones, but the cases where GEIPAN had enough detail to compare the report with wind, satellite predictions, photographs, witness sketches or known behaviour of lanterns and balloons.
The department’s solved and probably solved files include a paper hot-air balloon filmed near Rennes in 2024, probable balloons seen at Châteaugiron in 2023, a satellite at La Bouëxière in 2018, an Iridium satellite flare at Mordelles in 2010, lantern cases around Montfort-sur-Meu, Cesson-Sévigné and Montreuil-sur-Ille, and several ISS-related reports. GEIPAN’s Ille-et-Vilaine case list places these explanations alongside weaker C cases and the better-known D case at Etrelles, making the solved sightings an essential control group for the department’s more puzzling claims.[Geipan]cnes-geipan.frGeipan Recherche de cas | GEIPANGeipan Recherche de cas | GEIPAN
Balloons and lanterns around Rennes and Châteaugiron
The Rennes case of 18 June 2024 is a good modern example because the witness did more than merely report a light. GEIPAN says the witness saw an object in motion in a cloudy sky while travelling back towards Rennes, filmed it, and described a round form with pointed appendages and a downward flame. The agency classified the case A, concluding that the filmed object was a festive paper hot-air balloon, probably a reproduction of a known star-shaped model rather than a directly identified launch by the group whose designs resembled it.[Geipan]cnes-geipan.frOpen source on cnes-geipan.fr.
This is exactly the kind of object that can create a UFO report without requiring exaggeration. A paper balloon may be silent, drift in a way that does not match an aircraft, carry a visible flame, and show a strange outline if it has fins, points or decorative shapes. In the Rennes file, the original uncertainty is understandable: the witness first considered familiar explanations such as aircraft or hot-air balloon, then rejected them because the object did not fit the expected silhouette. GEIPAN’s answer was more specific than a generic “balloon”: it identified a particular class of festive paper hot-air balloon with a flame and unusual geometry.[Geipan]cnes-geipan.frOpen source on cnes-geipan.fr.
Châteaugiron, on 6 September 2023, shows the same mechanism without the flame. Two witnesses saw a dark, silent object from a roof window at around 07:40. One described a double rectangle; the other saw two linked ellipses, one apparently with a hole through which the sky was visible. The object moved slowly for about three minutes, and one witness photographed it as it receded. GEIPAN later classed the case B: probable observation of two balloons tangled or linked together and carried by the wind.[Geipan]cnes-geipan.frOpen source on cnes-geipan.fr.
The Châteaugiron explanation is useful because it shows how investigators work through shape, motion and weather rather than simply naming a category. GEIPAN noted that two “O”-shaped festive balloons could plausibly produce the witness sketch, that the dark colour did not rule out balloons, that the apparent size could have been overestimated, and that a weak north-north-westerly wind from the Rennes-Saint-Jacques station fitted the reported direction. The slow, regular motion and slight oscillation were also consistent with passive objects being carried by air currents.[Geipan]cnes-geipan.frOpen source on cnes-geipan.fr.
Lanterns add another layer because they are bright, social and seasonal. In Montfort-sur-Meu on 27 June 2010, a witness reported two yellow-orange lights moving east to west at a steady speed and disappearing behind the urban landscape; GEIPAN classed the case B as a probable passage of sky lanterns.[Geipan]cnes-geipan.frOpen source on cnes-geipan.fr. A public sky-misidentification resource linked by GEIPAN explains why lanterns are so persuasive: they can last one to ten minutes, appear yellow-orange or sometimes white, red or violet, drift with the wind, and often move in organised-looking groups because they are released one after another.[Meprises-du-ciel.fr]meprises-du-ciel.frLanternes CélestesLanternes Célestes
In local terms, the lesson is straightforward. Around Rennes and the smaller towns to its east and west, festive objects can rise from private events, drift into someone else’s line of sight, and arrive stripped of context. The observer sees the unexplained middle of the event, not the launch.
Satellites, ISS passes and Iridium flares
Some Ille-et-Vilaine solved sightings involved objects far higher than balloons. At La Bouëxière on 8 October 2018, a witness saw a white luminous point for several minutes at about 05:30, filmed it on a phone, and described it as larger and brighter than a star. It moved on a linear path at roughly constant speed, from the north-west towards the south-east, before disappearing near the horizon. GEIPAN classed the case A as a very probable satellite misidentification.[Geipan]cnes-geipan.frOpen source on cnes-geipan.fr.
The interesting detail is that GEIPAN did not simply say “satellite” and stop. It checked whether the ISS was visible and found it was not at that precise moment. It then considered geostationary satellites that can be normally too faint for the naked eye but temporarily visible around favourable periods near the equinoxes, when sunlight catches them before dawn or after dusk. GEIPAN judged that two satellites had paths close to the witness description and that the timing, roughly three hours before sunrise, was favourable.[Geipan]cnes-geipan.frOpen source on cnes-geipan.fr.
The ISS cases show a more familiar version of the same problem. At Parthenay-de-Bretagne on 1 July 2010, a witness saw a luminous phenomenon moving slowly from west to east at constant speed, without particular noise, around 23:00. GEIPAN classed it B as a probable ISS pass, using predicted visibility information prepared for summer 2010.[Geipan]cnes-geipan.frOpen source on cnes-geipan.fr. NASA’s public guidance explains why the station is so often mistaken for something unusual: it is visible when sunlight reflects from it against a darker sky, usually within a few hours before sunrise or after sunset, and it looks like a bright star or aircraft-like light moving steadily without flashing lights or a change of direction.[NASA]nasa.govSpot The StationSpot The Station
Mordelles, on 3 June 2010, is more dramatic because the object did not just cross the sky; it appeared as a bright ball of light that faded. The witness saw it at about 00:45 for 15 to 20 seconds, with no sound. GEIPAN originally had the kind of brief, striking report that can remain puzzling, but after publication a web user suggested an Iridium flare. GEIPAN checked the hypothesis and concluded that the witness description matched an Iridium satellite flash visible from that place and time, classifying the case A.[Geipan]cnes-geipan.frOpen source on cnes-geipan.fr.
Iridium flares were a classic UFO trap in the 2000s and 2010s. They were caused when sunlight reflected from the highly reflective antennas of Iridium communication satellites towards a narrow patch of Earth. A sky-misidentification guide describes the effect as brief but sometimes extremely bright, with the satellite brightening, peaking, then fading as it moves. It also notes that the geometry could be predicted because the satellites’ orbits were known.[Meprises-du-ciel.fr]meprises-du-ciel.frSatellite iridiumSatellite iridium In Mordelles, that predictability was decisive: the explanation did not rely on telling the witness they had “probably seen something like a satellite”, but on matching a specific satellite reflection to the reported time and place.[Geipan]cnes-geipan.frOpen source on cnes-geipan.fr.
Why sincere witnesses misread ordinary sky objects
The Ille-et-Vilaine solved cases show recurring failure points in ordinary perception. Night-sky observations often lack distance cues. A balloon at tens of metres, a lantern at a few hundred metres, an aircraft kilometres away and a satellite hundreds of kilometres up can all reduce to the same basic impression: a light moving across a dark background. Without reliable scale, the mind fills gaps.
Several patterns repeat across the files:
- Silence feels significant. Balloons, lanterns, satellites and the ISS may produce no sound at all for the witness. That silence can make an object seem stranger than an aircraft, even when the explanation is mundane.
- Slow, steady motion is ambiguous. In Châteaugiron, the slow path fitted balloons in weak wind. In Parthenay-de-Bretagne, a slow west-east crossing fitted the ISS. The same “smooth motion” can belong to very different causes.[Geipan]cnes-geipan.frOpen source on cnes-geipan.fr.
- Shape can be invented by grouping. Lanterns released in sequence may look like parts of a larger structure. The sky-misidentification guide explicitly warns that organised groups of lights can be interpreted as one large dark object with lights, a form of visual grouping rather than evidence of a single craft.[Meprises-du-ciel.fr]meprises-du-ciel.frLanternes CélestesLanternes Célestes
- Apparent disappearance can mislead. A lantern’s burner going out, a satellite entering shadow, or a flare ending can look like acceleration or vanishing. In La Bouëxière the object disappeared near the horizon; in Mordelles it faded after a flare; in lantern cases the light can extinguish one by one.[Geipan+2Geipan]cnes-geipan.frOpen source on cnes-geipan.fr.
- Photos and videos do not always settle the case. Rennes had a usable video that helped GEIPAN; Châteaugiron had a photo that could not be exploited; La Bouëxière had a phone video judged too poor to be useful. The existence of an image is not the same as an image that preserves scale, direction, brightness and motion well enough for identification.[Geipan+2Geipan]cnes-geipan.frOpen source on cnes-geipan.fr.
This is why the solved files are not embarrassing footnotes to Ille-et-Vilaine’s UFO history. They are the working manual for reading it. They show how an observation can be honest, detailed and still wrong in its first interpretation.
What these cases do, and do not, prove
The solved Ille-et-Vilaine cases do not prove that every local report has a mundane explanation. They do show that many reports with high initial strangeness can collapse once investigators check timing, weather, direction, witness sketches, local context and known sky traffic. That is especially important when comparing routine solved cases with the department’s more stubborn unresolved files.
The contrast with Etrelles is useful but should be kept narrow. Etrelles remains important because GEIPAN classed it D after investigation, whereas Rennes, La Bouëxière and Mordelles were classed A, and Châteaugiron, Montfort-sur-Meu and Parthenay-de-Bretagne were classed B. GEIPAN’s own system makes that distinction: A and B cases are not the same as C or D cases, and C cases are not the same as D cases.[Geipan]cnes-geipan.frGeipan How does GEIPAN classify observation cases? | GEIPANGeipan How does GEIPAN classify observation cases? | GEIPAN
For ordinary readers, the main takeaway is practical. Before treating an Ille-et-Vilaine sighting as evidence of something extraordinary, the first checks should be simple and local: Was there a wedding, festival or lantern release nearby? Did the object drift with the wind? Was the ISS due to pass shortly after sunset or before sunrise? Could a satellite or flare have crossed that part of the sky? Was an aircraft route, helicopter or balloon plausible? GEIPAN itself directs witnesses towards common sky misidentifications and asks for a technical questionnaire, sketches, photographs or videos because those details are what turn a strange story into a testable case.[Geipan]cnes-geipan.frGeipan Understanding a Phenomenon | GEIPANGeipan Understanding a Phenomenon | GEIPAN
Ille-et-Vilaine’s solved sightings therefore strengthen, rather than weaken, a serious reading of the local UFO record. They strip away weak mysteries, protect sincere witnesses from being caricatured, and leave the genuinely unresolved cases standing on a clearer evidential footing.
<section class="further-reading-section" data-page-toc-exclude aria-labelledby="further-reading-title"><div class="fr-section-shell"><div class="fr-section-header"><div class="fr-section-heading"><p class="fr-section-kicker">Amazon book picks</p><h3 class="fr-heading" id="further-reading-title">Further Reading</h3></div><p class="fr-intro">Books and field guides related to When Strange Lights Became Ordinary Objects. Use these as the next step if you want deeper reading beyond the article.</p></div><div class="fr-books-grid"><article class="fr-book-card">Book<div class="fr-book-info"><h4 class="fr-book-title">UFOs</h4><p class="fr-book-author">By Leslie Kean</p><p class="fr-book-desc">Provides context for evaluating reported aerial phenomena and distinguishing investigated cases from unresolved ones.</p><div class="fr-book-actions">
See on Amazon</div></div></article><article class="fr-book-card">Book
<div class="fr-book-info"><h4 class="fr-book-title">The Demon-Haunted World</h4><p class="fr-book-author">By Carl Sagan, Ann Druyan</p><p class="fr-book-popularity">Rating: 4.5/5 from 43 Google Books ratings</p><p class="fr-book-desc">Explains critical thinking, perception, and how extraordinary claims can arise from ordinary observations.</p><div class="fr-book-actions">
See on Amazon</div></div></article><article class="fr-book-card">Book
<div class="fr-book-info"><h4 class="fr-book-title">Bad Astronomy</h4><p class="fr-book-author">By Philip C. Plait</p><p class="fr-book-desc">Helps readers understand common misunderstandings about objects and lights seen in the night sky.</p><div class="fr-book-actions">
See on Amazon</div></div></article><article class="fr-book-card">Book
<div class="fr-book-info"><h4 class="fr-book-title">NightWatch</h4><p class="fr-book-author">By Terence Dickinson</p><p class="fr-book-desc">Improves sky recognition skills, making satellites, planets, and other ordinary sky objects easier to identify.</p><div class="fr-book-actions">
See on Amazon</div></div></article></div><div class="fr-section-footer"><div class="fr-browse-links" aria-label="Browse more on Amazon">Browse more on Amazon:UFOsThe Demon Haunted WorldBad Astronomy</div><p class="fr-disclosure">As an Amazon Associate I earn from qualifying purchases.</p></div></div></section><section class="further-reading-section" data-page-toc-exclude data-ebay-localized-links data-ebay-visual-market="EBAY_GB" aria-labelledby="merchant-block-title"><div class="fr-section-shell"><div class="fr-section-header"><div class="fr-section-heading"><p class="fr-section-kicker">eBay marketplace picks</p><h3 class="fr-heading" id="merchant-block-title">Marketplace Samples</h3></div><p class="fr-intro">Live-tested eBay searches with available results related to this page.</p><div class="fr-ebay-market-toolbar"><div class="fr-ebay-market-picker">UsingUSA<div class="fr-ebay-market-menu" data-ebay-market-menu role="listbox" hidden></div></div></div></div><div class="fr-ebay-market-panel" data-ebay-market-panel="EBAY_GB" data-ebay-market-default="1"><div class="fr-books-grid"><article class="fr-book-card">
<div class="fr-book-info"><p class="fr-book-kicker">Example eBay listing</p><h4 class="fr-book-title">I Believe Alien UFO Poster A3 - Sci-Fi Space Wall Art - Extra-terrestrial Abduct</h4>SearcheBay.co.uk: UFO poster<div class="fr-book-actions">
Browse similar oneBay.co.uk</div></div></article><article class="fr-book-card">
<div class="fr-book-info"><p class="fr-book-kicker">Example eBay listing</p><h4 class="fr-book-title">Large They're Here Bob Lazar Story UFO UAP Flying Saucer Area 51 Wall Art Poster</h4>SearcheBay.co.uk: UFO poster<div class="fr-book-actions">
Browse similar oneBay.co.uk</div></div></article><article class="fr-book-card">
<div class="fr-book-info"><p class="fr-book-kicker">Example eBay listing</p><h4 class="fr-book-title">The X Files Ufo Minimal Movie Art Print | Film Poster | Canvas & Framed</h4>SearcheBay.co.uk: UFO poster<div class="fr-book-actions">
Browse similar oneBay.co.uk</div></div></article><article class="fr-book-card">
<div class="fr-book-info"><p class="fr-book-kicker">Example eBay listing</p><h4 class="fr-book-title">Large X Files Want To Believe Billy Meier UFO UAP Flying Saucer Wall Art Poster</h4>SearcheBay.co.uk: UFO poster<div class="fr-book-actions">
Browse similar oneBay.co.uk</div></div></article></div><div class="fr-section-footer">
Browse more oneBay.co.uk<p class="fr-disclosure">Example items shown for inspiration; availability and pricing can change. Branchoria may earn a commission if you purchase through outbound eBay links.</p></div></div></div></section>
Endnotes
1.
Source: cnes.fr
Title: GEIPAN | CNES
Link:https://cnes.fr/en/projects/geipan
2.
Source: meprises-du-ciel.fr
Title: Lanternes Célestes
Link:https://meprises-du-ciel.fr/sources-artificielles/lanternes-thailandaises/
3.
Source: nasa.gov
Title: Spot The Station
Link:https://www.nasa.gov/spot-the-station/
4.
Source: meprises-du-ciel.fr
Title: Satellite iridium
Link:https://meprises-du-ciel.fr/sources-artificielles/satellite-iridium/
5.
Source: meprises-du-ciel.fr
Link:https://meprises-du-ciel.fr/satellites/
6.
Source: meprises-du-ciel.fr
Link:https://meprises-du-ciel.fr/sources-artificielles/satellites/
7.
Source: meprises-du-ciel.fr
Title: satellites starlink
Link:https://meprises-du-ciel.fr/satellites-starlink/
8.
Source: meprises-du-ciel.fr
Link:https://meprises-du-ciel.fr/sources-artificielles/ballons/ballon-sonde/
9.
Source: meprises-du-ciel.fr
Link:https://meprises-du-ciel.fr/sources-naturelles/phenomenes-lumineux-transitoires/
10.
Source: meprises-du-ciel.fr
Title: identifier un pan
Link:https://meprises-du-ciel.fr/identifier-un-pan/
11.
Source: meprises-du-ciel.fr
Link:https://meprises-du-ciel.fr/sources-artificielles/ballons/ballon-fantaisie/
12.
Source: meprises-du-ciel.fr
Link:https://meprises-du-ciel.fr/sources-artificielles/ballons/ballon-solaire/
13.
Source: nasa.gov
Title: spot the station frequently asked questions
Link:https://www.nasa.gov/missions/station/spot-the-station-frequently-asked-questions/
14.
Source: space.com
Title: how to track the international space station
Link:https://www.space.com/how-to-track-the-international-space-station
15.
Source: space.com
Title: 6898 reflections space spot iridium flares
Link:https://www.space.com/6898-reflections-space-spot-iridium-flares.html
16.
Source: youtube.com
Link:https://www.youtube.com/watch?v=hn2xTieploU
17.
Source: cnes-geipan.fr
Title: Geipan How does GEIPAN classify observation cases? | GEIPAN
Link:https://www.cnes-geipan.fr/en/node/412
18.
Source: cnes-geipan.fr
Title: Geipan Recherche de cas | GEIPAN
Link:https://www.cnes-geipan.fr/en/recherche/cas/tab?field_agregation_index_value=&order=field_departement_textuel&page=75&sort=asc
19.
Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/fr/cas/2024-06-51541
20.
Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/fr/cas/2023-09-51496
21.
Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/fr/cas/2010-06-02612
22.
Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/fr/cas/2018-10-50631
23.
Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/fr/cas/2010-07-02601
24.
Source: cnes-geipan.fr
Link:https://cnes-geipan.fr/en/node/54619?page=80&undefined=
25.
Source: cnes-geipan.fr
Title: Geipan Understanding a Phenomenon | GEIPAN
Link:https://www.cnes-geipan.fr/en/what-did-i-see/step-1
26.
Source: cnes-geipan.fr
Link:https://cnes-geipan.fr/fr/recherche/cas/tab?order=field_departement_textuel&page=74&sort=asc&undefined=
27.
Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/en/recherche/cas/tab?field_document_existe_ou_pas_value=All&field_is_new_value=All&field_is_revisited_value=All&field_type_de_cas_target_id=All&order=title&page=19&sort=asc
28.
Source: cnes-geipan.fr
Link:https://cnes-geipan.fr/fr/recherche/cas/tab?field_agregation_index_value=&field_date_d_observation_value%5Bmax%5D=&field_date_d_observation_value%5Bmin%5D=&field_date_value=2023-02-16&field_departement_target_id=&field_document_existe_ou_pas_value=All&field_is_new_value=1&field_is_revisited_value=All&field_latitude_value%5Bmax%5D=&field_latitude_value%5Bmin%5D=&field_longitude_value%5Bmax%5D=&field_longitude_value%5Bmin%5D=&field_phenomene_target_id=&field_type_de_cas_target_id=All&order=field_departement_textuel&page=7%2C34&sort=desc
29.
Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/fr/recherche/cas/tab?field_agregation_index_value=&field_classification_des_cas_target_id%5B11%5D=11&field_date_d_observation_value%5Bmax%5D=&field_date_d_observation_value%5Bmin%5D=&field_date_value=&field_departement_target_id=&field_document_existe_ou_pas_value=All&field_is_new_value=All&field_is_revisited_value=All&field_latitude_value%5Bmax%5D=&field_latitude_value%5Bmin%5D=&field_longitude_value%5Bmax%5D=&field_longitude_value%5Bmin%5D=&field_phenomene_target_id=&field_type_de_cas_target_id=All&order=field_date&page=12&sort=desc
30.
Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/en/recherche/cas/tab?field_is_new_value=All&field_is_revisited_value=All&field_type_de_cas_target_id=All&order=field_departement_textuel&page=74&s=09&sort=asc
31.
Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/en/recherche/cas/tab?customGetLattitude=49.42700809484137&customGetLongitude=-0.9608752280473711&customGetZoom=7&field_agregation_index_value=&field_date_d_observation_value%5Bmax%5D=&field_date_d_observation_value%5Bmin%5D=&field_date_value=&field_departement_target_id=&field_document_existe_ou_pas_value=All&field_is_new_value=All&field_is_revisited_value=All&field_latitude_value%5Bmax%5D=51.49757451349519&field_latitude_value%5Bmin%5D=47.35644167618756&field_longitude_value%5Bmax%5D=2.2526257485151295&field_longitude_value%5Bmin%5D=-4.174376204609872&field_phenomene_target_id=&field_type_de_cas_target_id=All&order=field_departement_textuel&page=19%2C0&sort=desc
32.
Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/en/recherche/cas/tab?customGetLattitude=46.124763699209396&customGetLongitude=2.4169921874999996&customGetZoom=6&field_agregation_index_value=&field_classification_des_cas_target_id=All&field_date_d_observation_value%5Bmax%5D=&field_date_d_observation_value%5Bmin%5D=&field_date_value=&field_departement_target_id=&field_document_existe_ou_pas_value=All&field_is_new_value=All&field_is_revisited_value=All&field_latitude_value%5Bmax%5D=50.52739681329302&field_latitude_value%5Bmin%5D=41.72213058512578&field_longitude_value%5Bmax%5D=9.8876953125&field_longitude_value%5Bmin%5D=-5.053710937500001&field_phenomene_target_id=&field_type_de_cas_target_id=All&order=field_departement_textuel&page=74%2C0&sort=asc
33.
Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/fr/recherche/cas/tab?field_agregation_index_value=%C3%A9toile&field_date_d_observation_value%5Bmax%5D=&field_date_d_observation_value%5Bmin%5D=&field_date_value=&field_departement_target_id=&field_document_existe_ou_pas_value=All&field_is_new_value=All&field_is_revisited_value=All&field_latitude_value%5Bmax%5D=&field_latitude_value%5Bmin%5D=&field_longitude_value%5Bmax%5D=&field_longitude_value%5Bmin%5D=&field_phenomene_target_id=&field_type_de_cas_target_id=All&order=field_departement_textuel&page=12%2C14&sort=desc
34.
Source: cnes-geipan.fr
Link:https://cnes-geipan.fr/fr/recherche/cas/tab?field_agregation_index_value=&field_classification_des_cas_target_id%5B0%5D=11&field_date_d_observation_value%5Bmax%5D=&field_date_d_observation_value%5Bmin%5D=&field_date_value=&field_departement_target_id=&field_document_existe_ou_pas_value=All&field_is_new_value=All&field_is_revisited_value=All&field_latitude_value%5Bmax%5D=&field_latitude_value%5Bmin%5D=&field_longitude_value%5Bmax%5D=&field_longitude_value%5Bmin%5D=&field_phenomene_target_id=&field_type_de_cas_target_id=All&order=field_departement_textuel&page=26%2C13&sort=desc
35.
Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/sites/default/files/save_json_import_files/export_cas_pub_20251127093552.csv
36.
Source: cnes-geipan.fr
Link:https://cnes-geipan.fr/fr/recherche/cas/tab?field_agregation_index_value=&field_date_d_observation_value%5Bmax%5D=&field_date_d_observation_value%5Bmin%5D=&field_date_value=2007-03-01&field_departement_target_id=&field_document_existe_ou_pas_value=All&field_is_new_value=1&field_is_revisited_value=All&field_latitude_value%5Bmax%5D=&field_latitude_value%5Bmin%5D=&field_longitude_value%5Bmax%5D=&field_longitude_value%5Bmin%5D=&field_phenomene_target_id=&field_type_de_cas_target_id=All&order=field_date_d_observation_textuel&page=18%2C34&sort=desc
37.
Source: cnes-geipan.fr
Link:https://cnes-geipan.fr/en/recherche/cas/tab?field_agregation_index_value=&field_date_d_observation_value%5Bmax%5D=&field_date_d_observation_value%5Bmin%5D=&field_date_value=&field_departement_target_id=&field_document_existe_ou_pas_value=All&field_is_new_value=All&field_is_revisited_value=All&field_latitude_value%5Bmax%5D=&field_latitude_value%5Bmin%5D=&field_longitude_value%5Bmax%5D=&field_longitude_value%5Bmin%5D=&field_phenomene_target_id=&field_type_de_cas_target_id=116&order=field_departement_textuel&page=74&select-category-export=nothing&sort=asc
38.
Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/en/recherche/cas/tab?customGetLattitude=46.124763699209396&customGetLongitude=2.406005859375001&customGetZoom=6&field_agregation_index_value=&field_date_d_observation_value%5Bmax%5D=&field_date_d_observation_value%5Bmin%5D=&field_date_value=&field_departement_target_id=&field_document_existe_ou_pas_value=All&field_is_new_value=All&field_is_revisited_value=All&field_latitude_value%5Bmax%5D=50.52739681329302&field_latitude_value%5Bmin%5D=41.72213058512578&field_longitude_value%5Bmax%5D=8.745117187500002&field_longitude_value%5Bmin%5D=-3.9331054687500004&field_phenomene_target_id=&field_type_de_cas_target_id=All&order=field_classification_des_cas&page=127&sort=desc&undefined=
39.
Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/en/node/58788
40.
Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/en/node/58791
41.
Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/en/faq-page
42.
Source: Wikipedia
Link:https://en.wikipedia.org/wiki/GEIPAN
43.
Source: Wikipedia
Title: Satellite flare
Link:https://en.wikipedia.org/wiki/Satellite_flare
44.
Source: uapedia.ai
Link:https://uapedia.ai/wiki/geipan-frances-official-uap-unit/
45.
Source: ladepeche.fr
Link:https://www.ladepeche.fr/2021/01/21/geipan-voici-les-trois-nouveaux-phenomenes-etranges-les-plus-observes-dans-le-ciel-9325511.php
46.
Source: stargazerslounge.com
Title: Iridium flares
Link:https://stargazerslounge.com/topic/38486-iridium-flares/
47.
Source: academieairespace.com
Link:https://academieairespace.com/event/geipan-studies-uaps-ufos/?lang=en
48.
Source: newspaceeconomy.ca
Title: GEIPA N: Frances UAP Investigation Unit
Link:https://newspaceeconomy.ca/2025/07/29/geipan-frances-uap-investigation-unit/
Additional References
49.
Source: youtube.com
Title: Floating City DEBUNK
Link:https://www.youtube.com/watch?v=Xmrn2IuSW-Q
50.
Source: youtube.com
Title: Every Pentagon UFO Video Explained
Link:https://www.youtube.com/watch?v=d_-yNBQfP84
51.
Source: youtube.com
Title: The SHOCKING Math Error Behind Viral UFO Videos | Mick West
Link:https://www.youtube.com/watch?v=ypfbhfEXnBo
52.
Source: researchgate.net
Link:https://www.researchgate.net/publication/359217358The_Impact_of_Physical_Sciences_on_the_Study_of_Unidentified_Aerial_Phenomena_UAP_in_Extraterrestrial_Intelligence-_Academic_and_Societal_Implications_Cambridge_Scholars_Publishing_pp
53.
Source: skyandtelescope.org
Link:https://skyandtelescope.org/stargazing-and-observing/celestial-objects-to-watch/observing-iridium-flares/
54.
Source: facebook.com
Link:https://www.facebook.com/groups/nightscaper/posts/3832323077078590/
55.
Source: france-effect.com
Link:https://france-effect.com/le-blog/les-autorisations-pour-faire-un-lacher-de-lanterne-volante/
56.
Source: facebook.com
Link:https://www.facebook.com/irishtimes/posts/many-people-have-contacted-the-government-in-recent-years-about-uaps-according-t/666104302214491/
57.
Source: langan.fr
Link:https://www.langan.fr/actualites/nouvel-arrete-reglementant-les-lachers-de-lanternes-et-de-ballons-en-ille-et-vilaine/
58.
Source: sparklers-club.com
Link:https://www.sparklers-club.com/blog/193/lacher-de-lanterne-autorisation-mairie
Topic Tree