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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 Saverne, on August 6, 2005:

Case number:



In a list of "latest observations", the "UFOweb" web forum published a testimony saying that in August 6, 2005, at 11:30 p.m., someone observed a bright trace in the sky, "of a very bright blue color. The path was approximately South of Strasbourg to Saverne."

The person "observed this fact for about 2-3 seconds" then the light split in two, one part continuing the path and the other, smaller, leaving the path.

The witness wrote that it is "difficult to explain this extraordinary event" that it was the second of this kind he observed, the other taking place in the spring of the same year.


Temporal data:

Date: August 6, 2005
Time: 11:30 p.m.
Duration: ~2 ou 3 seconds.
First known report date: 2005
Reporting delay: Hours, months.

Geographical data:

Department: Bas-Rhin
City: ?
Place: ?
Latitude: 48.658
Longitude: 7.560
Uncertainty ratio: 30 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: Testimony sent by email to a UFO website.
Type of location: ?
Visibility conditions: Night
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: Puzzled.
Witnesses interpretation: Extraordinary event.


Hynek: NL
ALSACAT: Probable meteor.


[Ref. uw1:] "UFOWEB":

Subject: [Ufoweb-France] IU: France: The latest observations in France

Date: 08.10.2005




The latest observations in France.

08/06/2005 in the department 67

Hello, On 08/06 at 11:30 p.m., I observed a luminous trace in the sky of very luminous blue color. The trajectory was approximately Strasbourg South to Saverne. I observed this fact for about 2-3 seconds, then the light split in two, one continuing the path, and the other smaller leaving the path Difficult to explain this extraordinary event. This is the second case of this kind that I observe, the other taking place in the spring of this year.


BAS-RHIN (67) Saturday, August 6, 2005

Source: SPICA Forum

At 11:30 p.m., I observed a bright trace in the sky of very bright blue color. The trajectory was approximately from Strasbourg South to Saverne.


With this duration typical of big shooting stars or small meteors, it can be supposed that was just one of those things, breaking into two during re-entry into the atmosphere.


Probable meteor.

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 December 5, 2014 Creation, [uw1].
1.0 Patrick Gross December 5, 2014 First published.

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This page was last updated on May 5, 2015