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ALSACAT is my comprehensive catalog of UFO sighting reports in Alsace, the region is the North-East of France, whether they are "explained" or "unexplained".

The ALSACAT catalog is made of case files with a case number, summary, quantitative information (date, location, number of witnesses...), classifications, all sources mentioning the case with their references, a discussion of the case in order to evaluate its causes, and a history of the changes made to the file. A general index and thematic sub-catalogs give access to these Alsatian case files.

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Case of Brunstatt, on Autumn 1977:

Case number:



In the 1970s, Mrs. Gueudeulot, archivist of the French ufology magazine Lumières Dans La Nuit, noted observation reports sent by the magazine's correspondents. These archive surfaced in the 2020's through the efforts of the "Sceau" association which is dedicated to the preservation of UFO archives.

Among the apparently so forth unpublished cases found there, there is an observation dated "autumn 1977" and located in Brunstatt, which would come from an investigation by the ufology group G.A.E.P., "section of Didenheim" (Didenheim and Brunstatt are so close that the two municipalities later merged).

The report indicates that around 3:00 a.m., Mr. R. Kempf, 41 years old, who had never seen a UFO before, who goes to bed early and gets up very early in the morning, had seen for almost 30 seconds an object of apparently spherical shape, whose fixed light was yellow, which did not emit any sound, the silence being impressive, going at a rapid speed from the left to the right, i.e. the direction South to East, at an altitude estimated at 2000 meters and a "not very far" distance.

From his bedroom, through the window, he thought that the object was above the trees of the Didenheim forest. The witness did not report his sighting to authorities.


Temporal data:

Date: Autumn 1977
Time: 3:00 a.m.
Duration: 30 seconds.
First known report date: In the 1970's.
Reporting delay: Day, years.

Geographical data:

Department: Haut-Rhin
City: Brunstatt
Place: From the bedroom window.
Latitude: 47.723
Longitude: 7.319
Uncertainty radius: 2 km.

Witnesses data:

Number of alleged witnesses: 1
Number of known witnesses: 1
Number of named witnesses: 1
Witness(es) ages: 41
Witness(es) types: Male resident.

Ufology data:

Reporting channel: Local ufology group G.A.E.P.
Type of location: From bedroom window.
Visibility conditions: Night.
UFO observed: Yes.
UFO arrival observed: ?
UFO departure observed: ?
Entities: No.
Photographs: No.
Sketch(s) by witness(es): No.
Sketch(es) approved by witness(es): No.
Witness(es) feelings: ?
Witnesses interpretation: ?


Hynek: NL
ALSACAT: Insufficient information.




FALL 1977.-


TIME: around 03:00

Mr. R. KEMPF goes to bed early and gets up very early in the morning. He saw for almost 30 seconds, an object apparently spherical in shape, its fixed light was yellow, no sound but an impressive silence, going at a rapid speed from his left to the right at an altitude estimated at 2000 m and a distance of little remote.

Size at outstretched arm: 5 - 6 comparator. Direction SOUTH EAST.

From his bedroom window, he believed that the object was above the trees of the Didenheim forest. The 41-year-old witness has never seen a UFO before, no authorities were notified.

G.A.E.P. Investigation, section of Didenheim (Haut Rhin)



The report is obviously quite poor; for example, we do not know whether Mr. Kempf saw the UFO arrive, whether he saw it leave.

Maybe this is a "good" case, maybe not.

Having lived in Brunstatt for a long time, I just know that there is little chance of reporting like this the passage of an airliner going or leaving the Basel - Mulhouse airport.


Insufficient information.

Sources references:

* = Source is available to me.
? = Source I am told about but could not get so far. Help needed.

File history:


Main author: Patrick Gross
Contributors: None
Reviewers: None
Editor: Patrick Gross

Changes history:

Version: Create/changed by: Date: Description:
0.1 Patrick Gross September 13, 2023 Creation, [ald1].
1.0 Patrick Gross September 13, 2023 First published.

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This page was last updated on September 13, 2023.