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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 Lautenbach, in 1953:

Case number:



In July 1972, a person who does not give a name wrote to the readers' supplement of the French ufology magazine Lumières Dans La Nuit, telling very briefly about two sightings of his own, in Lautenbach, Haut-Rhin, in 1951, in 1953, and one by his brother in 1968.

For his 1953 sighting, he or she wrote only this: "at approximately 11 p.m., I saw a big ball from Lautenbach the diameter of the full moon silently describing a curve over a mountain ridge."


Temporal data:

Date: 1953
Time: ~11:00 p.m.
Duration: ?
First known report date: July 1972
Reporting delay: 19 years

Geographical data:

Department: Haut-Rhin
City: Lautenbach
Place: Seen from Lautenbach the UFO is above a mountain ridge.
Latitude: 47.941
Longitude: 7.159
Uncertainty radius: 5 km

Witnesses data:

Number of alleged witnesses: 1
Number of known witnesses: 1
Number of named witnesses: 0
Witness(es) ages: ?
Witness(es) types: ?

Ufology data:

Reporting channel: Witness wrote to readers' section of ufology magazine LDLN 19 years later.
Type of location: In valley, UFO above a mountain ridge.
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: Puzzled.
Witnesses interpretation: ?


Hynek: NL




68 - HAUT-RHIN, a. and c. Guebwiller LAUTENBACH

Unfortunately no exact date but interesting for the place is the same.

- 1951, A July evening, about 23 hours, I saw three balls the size of an orange, orange-red, crossing silently each other in the sky between Lautenbach and Soultzmatt.

- 1953, At about 23 hours, I saw from Lautenbach a big ball the diameter of the full moon silently following a curve over a mountain ridge.

- 1968 At 5 a.m. my brother, along with a friend, saw a disc-shaped object successively emitting red, yellow, green and blue lights. The object was silent.

Location: Lautenbach.


Lautenbach (68) on 1953

General features

Num Base: 1522
Department: Haut Rhin (68)
Place of observation: Lautenbach
Latitude: 47.95
Longitude: +7.15
Date of observation: 1953
Hour: 23:00 hours
Duration (HH:MM:SS): N.C.
Weather: No weather indication
Type of observation: Visual: Distant
Nbr of witness(es): 1
Official investigation: No

Features of the object

Nbr of object: 1
Type of object: Luminous Ball
Size: Full Moon
Color: not defined
Luminosity: Not specified
Visual characteristics: No indication
Speed: not defined
Movement/Displacement: One or more turns
Object on the ground: No
Instantaneous disappearance: No


Observation by a witness of a large ball of the size of the full moon, silently following a curb above the mountains ridges.


Lumières dans la Nuit


City Date and hour of observation General shape
General color
LAUTENBACH 1953 at 11:00 p.m. ball, balle or melon (3D)
information not communicated
Unsolved -lack of info



Lautenbach is a French commune located in the department of Haut-Rhin in Alsace. The minimum altitude is 353 meters, the maximum altitude is 1160 meters. The town is in the valley of Guebwiller, largely surrounded by the Vosges (see map below), the position of the UFO "over a mountain ridge" makes it impossible to determine a direction.

The witness, who reported this observation with two more sightings in the ufology magazine "Lumières Dans La Nuit" almost 20 years after the occurrence, provides little useful information; there is no sighting date, duration, exact locations, angular velocity etc. The absence of a date does not allow checking for example the absence or presence of the Moon.


Cataloging by Luc Chastan ([lcn1]) adds that the ball was "luminous", hides that the person had two other observations, the issue number of the "Lumières Dans La Nuit" source where the story appeared does not let see it took almost 2 decades to be reported, and that the report is only publication of the "letter to the editor" type, the time becomes "11:00 p.m." when it saw "approximately 11 p.m.", and the "curve" followed by the UFO is changed to "one or more turns."


Nocturnal light, insufficient data, possibly astronomical or aeronautical.

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
Editeur: Patrick Gross

Changes history:

Version: Create/changed by: Date: Description:
0.1 Patrick Gross August 19, 2014 Creation, [ldl1], [lcn1].
1.0 Patrick Gross August 19, 2014 First published.
1.1 Patrick Gross May 25, 2015 Addition [spa1].

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This page was last updated on May 25, 2015.