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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 Auenheim, on March 12, 2012:

Case number:



On the very date of his observation, "rseb", 38, machine driver, registered with the ufology forum "Les Mystères des OVNIS" to report his sighting from his home in Auenheim in the Bas-Rhin on March 12, 2012.

At 08:07 p.m., while smoking a cigarette under a clear sky, gazing at two very visible stars in the sky, he saw something appear that he felt hard to describe.

It was more or less cross-shaped, burgundy red, and produced a noise that made him think of the lightsabers in "Stars Wars" when they are drawn out.

It was moving very fast, comparable to the shoot into a football.

There were at that time three of them, two of which overlapped "with great agility."

Thinking he was becoming crazy, he spoke about it to his girlfriend when she came home, and he felt she did not believe him.

But that same evening at 10:59 p.m., these things came again, five of them, with the same speed and the same agility than the previous ones.

Unfortunately, he did not respond to requests for additional information by members of the forum.


Temporal data:

Date: March 12, 2012
Time: 08:07 p.m. and 10:59 p.m.
Duration: ?
First known report date: March 12, 2012
Reporting delay: Minutes, hours.

Geographical data:

Department: Bas-Rhin
City: Auenheim
Place: ?
Latitude: 48.816
Longitude: 8.008
Uncertainty ratio: 500 m

Witnesses data:

Number of alleged witnesses: 2
Number of known witnesses: 1
Number of named witnesses: 0
Witness(es) ages: Young adults or adults.
Witness(es) types: Man and his girlfriend.

Ufology data:

Reporting channel: By the web to the ufology forum "Les Mystères des OVNIS".
Type of location: ?
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
ALSACAT: Probable LED-lighted frisbees.



New member
Male Age: 38
Number of messages: 2
Registered on: 03/12/2012
Localization: Alsace/AUENHEIM
Occupation: machine driver
Hobbies: automobile

Subject: 2012: on 03/12 at 10:07 p.m. -strange object in the sky-Alsace/Auenheim Tue 13 Mar 2012, 00:01

Firstname or pseudo: rseb


Department: 67

Region or Country: ALSACE

Date: 03/12/2012

Hour of the beginning of the observation: 08:07 p.m. AND 10:59 p.m.

Duration of the observation:

Weather conditions: clear sky

Number of witnesses: 1(myself) and 2 ( the second time with my girlfriend )

Type of phenomenon: Strange object in the sky

Official report: No

Complete report of the observation:

Its when smoking my cigarette... and observing the super visible 2 stars that appeared i do not know how to say or explain, it was cross-shaped + - about like that dark red color, it made a kind of sound like star wars the sword when it goes out ... it was moving very fast, comparable to where i was to the shoot of a ball (for speed measurement) there were at that time 3 of them including 2 that moved with great agility! I thought I was going crazy, I talked to my wife when she came home and did not believe me (I felt it like that) but again this evening at 10:59 p.m. these things came again they were 5 with the same speed and the same agility! I had to talk about it... and on my honor that it is true !!!!

Precise description: cross shaped +- dark red

Size of the phenomenon:

Behavior: fast speed of move and big agility

Tranjectory [sic, "Trajectory"]:

Specific noise: yes

Direction of the object relative to the wind: moved under control/independently

Presence of installations:

I certify on my honor the truthfulness of the information given and the documents given. I do not know how to identify this phenomenon thanks in advance for your answers.I would like to meet if possible an investigator of the forum to deepen the study.

Best regards rseb

Observer analyst
Male Age: 6
Number of messages: 871
REgistered on: 10/19/2009
Localization: Aquitaine
Job: computer graphics, sound design
Hobbie: creation, paranormal

Subject: 2012: on 03/12 at 10:07 p.m. -strange object in the sky-Alsace/Auenheim Tue 13 Mar 2012, 08:05 p.m.


Can you specif that starwars sound?

On the following website, can you tell me which laser sword sound matches the sound of the crosses?


Male Age: 56
Number of messages: 2146
Registered on: 07/01/2011
Localization: Bouches du Rhône
Job: Craftsman
Hobbies: Diving

Subject: 2012: on 03/12 at 10:07 p.m. -strange object in the sky-Alsace/Auenheim Tue 13 Mar 2012, 08:50 p.m.


Thanks for this testimony, but can you give the following information:

1/Did the crosses rotate on themselves?

2/How would you define the trajectory Rectilinear, simple turn, Sinusoid, Zigzag, other...

3/Did the crosses have trajectories seeming to start from the same place? Or did they come from various places? Did they converge?

4/Between the 2 stars you are talking about how many of these crosses could you put (i thus try to estimate the angular size). Did you have in your field of vision another object whose size you knew?

Best regards,


Male Age: 56
Number of messages: 2146
Registered on: 07/01/2011
Localization: Bouches du Rhône
Job: Craftsman
Hobbies: Diving

Subject: 2012: on 03/12 at 10:07 p.m. -strange object in the sky-Alsace/Auenheim Wed 14 Mar 2012, 04:35 p.m.


In waiting for your answers, I found this video which makes e think of your observation...

What do you say about it?

Investigations responsible person
Male Age: 67
Number of messages: 769
Registered on: 09/17/2010
Localization: Nice, Cuba
Job: Voluntarily idle.
Hobbies: history, books, writing, painting, Cuba

Subject: 2012: on 03/12 at 10:07 p.m. -strange object in the sky-Alsace/Auenheim Wed 14 Mar 2012, 05:22 p.m.

It remains to be known at what distance from the ground these objects moved, where the observation place is located? On flat ground..? On top of a mountain? Down a moutnain..? Auenheim would be between 116 and 121 meters of altitude, it would be not far from Hagueneau, at then end of the sixties it was a town where there were military drills (tank manoeuvers) what about it now...?

[Ref. ucr1:] "UFOCENTER" BLOG:

This UFO blog republished the [myo1] testimony but deprived of the comments and additional information, and giving as source the home page of the [myo1] web forum,


Here is the most likely explanation:

"Light-Up LED Flying Ultimate Disc Golf" by Black Jax Sports:

These are frisbees fitted with fiber optics illuminated by LED, available in many colors, sold for example on the web by "Amazon", etc.

Some have the reported dark red color, the cross-shape appearance, and produce the sound that the witness compared to "Star Wars" laser swords.

Here are some other models from other brands:

This is the youtube video pointed out by "Verveine" on the forum:


Probable LED-lighted frisbees.

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 June 17, 2015 Creation, [myo1], [ucr1].
1.0 Patrick Gross June 17, 2015 First published.

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This page was last updated on June 17, 2015.