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As its name suggests, 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.

Case of Neuf-Brisach, on September 28, 1968:

Case number:



In the "Contact Lecteurs" supplement of the ufology magazine "Lumières Dans La Nuit" for November 1970, a case was reportedly narrated by its witness. It occurred on September 29, 1968 - the witness' wife did not agree on the exact date of the event - at 08:20 p.m. near Neuf Brisach in the Haut-Rhin.

Mr. J-P. G., aged 33, employee of the national power company, told he had left Mulhouse by the National Road 68 and taken the power company road between Strasbourg and Chalampé along the Rhine, under a clear sky, no wind, normal temperature.

He was surprised to see all the chrome part of his dashboard shine, and got the impression that the moon was rising.

Casting a glance at the rear view mirror, he saw the back of his car lit, and above it a luminous area. He slowed down and had the feeling of a strong numbness. The car shifted to the left, the engine that was in fourth gear stalled.

He braked and nothing happened, it was unresponsive, he was no longer in control of the vehicle; which left the road and went into the bushes on the left or the road, and the car's lights were off.

He saw a dark halo of light colored in blue, green and yellow. Shortly after he got the impression that this dark blue changed to purple.

The halo of light came from a circular object in the shape of a plate turned upside down. The object appeared to come from Switzerland and headed north. When it was overhead at a very low altitude, moving very slowly, he felt that its speed was accelerating and that it rotated faster.

It took an orange color. The witness could not see the circular motion anymore, and color of the object turned to white. Then he did not see anything anymore because the object rose very quickly in a direction from west to northwest.

The observation duration was 2 to 3 minutes. The distance on which the object had followed his car was about 300 meters.

The witness tried to find out if other people had seen the phenomenon, but in vain. The next day, he returned to the place and found the location where the car had come to rest and the trace of the accident.

He experienced numbness for 24 hours and assures that since that day, perhaps by coincidence, his watch did not function anymore.


Temporal data:

Date: September 28, 1968
Duration: 2 to 3 minutes.
First known report date: November 1970
Reporting delay: 14 months or less.

Geographical data:

Department: Haut-Rhin
City: Neuf-Brisach
Place: In the car driving on the private road of the national power company along the Rhine.
Latitude: 48.043
Longitude: 7.569
Uncertainty ratio: 5 km

Witnesses data:

Number of alleged witnesses: 1
Number of known witnesses: 1
Number of named witnesses: 0
Witness(es) ages: 33
Witness(es) types: National power company employee, male.

Ufology data:

Reporting channel: Local ufologist in ufology magazine LDLN.
Type of location: In the car driving on the private road of the national power company along river.
Visibility conditions: Evening; clear view.
UFO observed: Yes
UFO arrival observed: Yes
UFO departure observed: Yes
Entities: No
Photographs: No.
Sketch(s) by witness(es): No.
Sketch(es) approved by witness(es): No.
Witness(es) feelings: Puzzled.
Witnesses interpretation: ?


Hynek: CE1
ALSACAT: Extraterrestrial visitors or invention.



Neuf Brisach (68) on September 28, 1968

General characteristics

Num Base: 1344
Department: Haut Rhin (68)
Place of observation: Neuf Brisach
Latitude: 48.016
Longitude: +7.533
Date of observation: September 28, 1968
Hour: 08:00 p.m.
Duration (HH:MM:SS): 00:03:00
Weather: Nice weather, clear sky
Type of observation: Visual : close
Nbr of witness(es): 1
Official investigation: No

Characteristics of the object

Nbr of object: 1
Type of object: Reversed plate
Size: Not specified
Color: Change of color
Luminosity: Brilliant
Visual characteristic: No indication
Speed: slow then fast
Movement/Displacement: One or several turns
Object on the ground: No
Instantaneous disappearance: No

Type of effects noted

Physical effects: Engine stall, failure of car's electric power, Watch stopped,
Effects on the witness: Paralysis, Short term secondary effects,


The witness moves on the road that goes along the Rhine coming from Mulhouse. Suddenly his panel is lighted by an external source of light. He distinguishes in his rear view mirror that the back of his car is lighted by a light coming from above. He then feels numb, the car's engine stops, the car goes on on its impulse and ends in a brush on the left. The headlights go off. The witness then observes an object in the shape of a reversed plate surrounded by a halo of several colors. The object moves slowly coming from the south. A movement of rotation is visible. The movement of rotation accelerates, the colors of the object changes [sic] going to the orange then to the white, then the object raises fast to the West North West. The witness will feel a sensation of numbness during 24 h. The witness' watch definitively stopped since the observation.


Lumières dans la Nuit issue cl11/70

[Ref. da1:] "UFO-DATENBANK.DE":

Case number: 19680928
New case number:
Sighting date: 28.09.1968
Sighting time: 20.00
Zip code:
Sighting place Neuf Brisach
Geocoordinates: Length: Width:
Country: France
Investigation status:
Source: DUFOA-Deutschland - SiDat - 1996-2002


Former journalist Christian Valentin published in 2012 a very interesting book telling the story of UFO sightings, flying saucers sightings, in Alsace, from the beginning to 1980.

In this book, he reports that an observation on September 29, 1968, at 08:20 in Neuf Brisach in the Haut-Rhin was reported in Lumières dans la Nuit - Contact Lecteurs #4 for November 1970, as an investigation by Mr. Fontanié:

The witness is Mr. J-P G. (33 years old), EDF agent. The wife of the witness does not agree on the exact date of the event, but the fact is worth mentioning.

Here is his story:

"Leaving Mulhouse by the RN 68, I took the private road EDF along the Rhine between Strasbourg and Chalampé. By sky c / garlic; while there was no wind, normal temperature, I was surprised to see all the chrome shine my dashboard.

I had the impression that the moon rose, and casting a glance at the mirror; I saw the back of the car and informed me over a light task. I slowed down and I had a strong feeling numbness. The vehicle veered to the left, the engine stalled in fourth.

I braked, there is one command unresponsive! I was no longer master of my vehicle. The car left the road ahead for butter in the bushes left side, and I had no lighting.

I saw a bright halo of dark blue, green and yellow. I had the impression that this dark blue broke down soon after, and became violet. This bright halo came from a circular object in the form of a reverse turn and pretend plate. This mysterious object appeared to come from Switzerland and headed north. When he was above me, at very low altitude, moving very slowly, I felt that his speed quickened and he turned more and more quickly.

The color became orange, I could see the circular motion and the color turned to white. Then I saw nothing as it rose rapidly in a direction from west to northwest. The observation duration was 2 to 3 minutes. The distance over which it followed me was about 300 m.

I made inquiries to find out if others than me had seen the phenomenon: Negative result: The next day I returned to the place and I found the location where the car had stopped and the trace of the accident.

I had a feeling of numbness that lasted 24 hours and since that day - Is this a coincidence? my watch never functioned again!"

[Ref. ub3:] "UFODATENBANK":

Case ID19680928
Global case number:19680928-0006-UDB
Date of observation (Day)28
Date of observation (Month)9
Date of observation(Year)1968
Hour of observation20.00
Zip Code
Place of observationNeuf Brisach
Federal state
Hynek Classification
Vallee Classification
Ruthledge Classification
Henke Classification
Status of the investigation
Case added by
Latest change by:
Investigator in charge of the case
SourceDUFOA-Deutschland - SiDat - 1996-2002
State of the information25.04.2015 22:16
Accesses to this record2
Link to Openmap,France
Link to theobservation
Summary for guestsLes faits et éventuellement d'autres documents seront publiés progressivement. Nous vous remercions de votre patience.
Preview image


To me there is no doubt that what has been seen according to the story is anything but ordinary, certainly not a natural phenomenon, not a human-made aircraft.

Doubt, to me, can be cast on the credibility of the story: we only have a single witness, only his own narrative, obviously no investigation or checking of any kind. All this may be true, or perhaps entirely made up, inspired by the many fairly standard and similar descriptions of such encounters.


Extraterrestrial visitors or invention.

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 18, 2014 Creation, [lc1], [da1], [cvn2].
1.0 Patrick Gross August 18, 2014 First published.
1.1 Patrick Gross January 25, 2018 Addition [ub3].

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This page was last updated on January 25, 2018.