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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 Wintzenheim, on the beginning of May 2004:

Case number:



On May 14, 2004, "Spock" told on a UFO web forum he made two observations in Alsace at the beginning of May 2004; which were short "but surprising."

Traveling to Colmar on the road above Wintzenheim perpendicular to an electric pole near a paper mill, he had seen "as a multi-faceted ball disintegrate. It was beautiful and of high intensity, but unfortunately very short ", about one second.

Then with a female friend, he went on the heights of the city to look at the landscape, and as he was talking to her, she saw a red ball that went "fast like crazy" over them at a "quite high" altitude.

He said that this ball also "dematerialized" in its flight.


Temporal data:

Date: Beginning of May 2004
Time: ?
Duration: 1 second, and short.
First known report date: May 14, 2004
Reporting delay: Days, 2 weeks.

Geographical data:

Department: Haut-Rhin
City: Wintzenheim
Place: From a car then outside, near Wintzenheim, UFO in the sky.
Latitude: 48.068
Longitude: 7.279
Uncertainty ratio: 2 km

Witnesses data:

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

Ufology data:

Reporting channel: To the UFO forum "Le Journal de l'Ufologie".
Type of location: From a car then outside, near Wintzenheim, UFO in the sky.
Visibility conditions: ?
UFO observed: Yes
UFO arrival observed: ?
UFO departure observed: Yes
Entities: No
Photographs: No.
Sketch(s) by witness(es): No.
Sketch(es) approved by witness(es): No.
Witness(es) feelings: ?
Witnesses interpretation: ?


Hynek: ?
ALSACAT: Probable meteors.




Posted on: Fri May 14, 2004 7:43 pm Subject of message: Two observations in Alsace

Hi everybody,

the observations i was able to make in the beginning of May 2004 were short but surprizing. Indeed I was going to Colmar, and on the road above Wintzenheim at the level of a power pole, near a paper factory i saw like a multicolor disco ball disintegrate. It was very beautiful and of a strong intensity, but unfortunately very short, abo.1 second. Then with a [female] friend I went to heights of that town to look at the landscape and while I was talking to her she saw a red ball that passed at a crazy speed above us, at a quite high altitude. This balle [sic] also dematerialized itself in its race. That's it it's not very detailed but for now that's all. Anyway I very soon wish to send you new observations. CU


Posted on: Sun May 16, 2004 10:39 am Subject of the message: Fireballs

Hi. I live not very far from alsace, and I am almost sure what you see was a FIREBALL. (An asteroid of small size that enters in our atmosphere.)This would explain the dematerialization. I saw two of them overs here last summer, it would thus not be vers surprising. Now, maybe I'm wrong because I did not see the phenomenon.


Registered on: Apr 23, 2003
Messages: 21
Localization: East 57

Posted on: Sat June 05, 2004 5:25 pm Subject of the message: Observations in Alsace


The SPICA association has investigators in Alsace

We are available to you

Best regards


As suggested on the UFO forum, this looks just like two meteors burning up in the atmosphere.


Probable meteors.

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 December 10, 2014 Creation, [jd1].
1.0 Patrick Gross December 10, 2014 First published.

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This page was last updated on December 10, 2014.