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The Astronomer's Barrel at Dinan

An amateur astronomer at Dinan, watching the Andromeda galaxy one summer night in 1999, saw a dark, silent object cross the sky and abruptly change course. His sketch shows a barrel. France's official investigators checked the airfields and the radar and found no aircraft to match. This is the record of what one observer reported, not a verdict on what crossed his sky.

◆ THE SHORT VERSION

  • The Astronomer's Barrel at Dinan is a reported UAP case in Dinan, Côtes-d'Armor, France, 7 September 1999.
  • An amateur astronomer watching the Andromeda galaxy reported a dark, silent object crossing the sky that abruptly changed course and then swung back.
  • His sketch shows a barrel shape, brown and unlit, according to GEIPAN.
  • GEIPAN checked nearby airfields and civil and military radar and found no aircraft to match.
  • GEIPAN files the case under September 1999, though its own description places the sighting on the night of 7 to 8 August.
  • For this case Fractured Realities holds 1 distinct source and 1 corroborating primary document.
  • The archive grades it L0 · SINGLE ACCOUNT — the archive holds one account of it, from a single source.

Counts are resolved totals of what sources say, computed 2026-10-03; the reported details above are claims in the record, not findings. A record of reports, not a verdict on what happened.

The Astronomer's Barrel at Dinan
Dinan, the town (Saint-Sauveur seen from the ramparts). Photo: Guillaume, CC BY 2.0, via Wikimedia Commons (Flickr) · CC BY 2.0 ↗
EVENT DATE
7 September 1999
LOCATION
Dinan, Côtes-d'Armor · France
COORDS
48.45°N 2.05°W
INDEPENDENCE
L0 · SINGLE ACCOUNT
SOURCES
1 distinct
CLAIMANTS
0
STATUS
Known from released government records
NUMBERS COMPUTED 2026-10-03 · RESOLVED COUNTS, NOT A VERDICT
VIEW ON ATLAS →

He was watching the Andromeda galaxy. Some time between half past eleven and half past one, on a clear night in 1999, an amateur astronomer at Dinan in the Côtes-d'Armor saw with the naked eye an object moving at a steady speed from north to south. A few moments later its path changed direction sharply, swinging to north-north-west before coming back to north. It made no sound. It gave off no light and was a brownish colour. The sketch he made shows a barrel shape. The sighting lasted about a minute.

What is on the record

GEIPAN is the unit of the French space agency CNES that investigates unidentified aerial phenomena. It holds this case as DINAN (22) 07.09.1999 and classes it D. Class D means GEIPAN investigated and could not explain the sighting.

GEIPAN's inquiry went to "les aérodromes voisins, ainsi que des autorités civiles et militaires" (the nearby airfields, and the civil and military authorities). Neither the air-traffic records nor the radar traces could be matched to an aircraft. Its conclusion: "Ce phénomène est resté inexpliqué" (this phenomenon has remained unexplained).

The date needs care. GEIPAN's case heading and the witness's testimony form both give 7 September 1999. The description on the same page places the sighting on the night of 7 to 8 August. GEIPAN does not say which is right. The time window is also wide, two hours for a one-minute sighting.

Some questions the page leaves open. It does not say how a dark, unlit object stood out against the night sky well enough to be sketched. It gives no height, size or distance. Aircraft were ruled out, but no other ordinary cause, such as a bird or a balloon, is discussed. GEIPAN's page describes the witness's sketch but does not publish it.

Why it sits where it does

L0 · SINGLE ACCOUNT. GEIPAN withholds the identities of its witnesses, so the released record carries no identified witness. An observer who knows the night sky is a good witness, but the tier measures sourcing rather than skill or the quality of the inquiry. What crossed the sky over Dinan is not resolved here.

◆ CORROBORATION
✓GEIPAN case file 1784 (DINAN (22) 07.09.1999) (government primary)
◆ SOURCES

Everything this file draws on, in the open — reports, not reality. Check us.

Documents & published sources

Government records, papers and journalism the archive links to this case.

government record · 1
UNEXPLAINED OBJECTGOVERNMENT RECORD1999FRANCE

CASE FILES STATE THE RECORD AS OUR ARCHIVE HOLDS IT — FACTS, NOT OPINION. REPORTS, NOT REALITY.

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The Astronomer's Barrel at Dinan — Case File · Fractured Realities