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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 Thanvillé, on August 19, 2009:

Case number:



A UFO news bulletin indicated the publication in the newspaper L'Alsace for August 22, 2009, of an article about a UFO observed in the sky of Thanvillé on August 19, 2009.


Temporal data:

Date: August 19, 2009
Time: ?
Duration: ?
First known report date: August 22, 2009
Reporting delay: 3 days.

Geographical data:

Department: Bas-Rhin
City: Thanvillé
Place: ?
Latitude: 48.323
Longitude: 7.351
Uncertainty radius: 2 km

Witnesses data:

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

Ufology data:

Reporting channel: Article in the regional Press.
Type of location: ?
Visibility conditions: ?
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: ?
Witnesses interpretation: ?


Hynek: ?
ALSACAT: Totally insufficient information.



29/ L'Alsace

L'Alsace for August 22, 2009, publishes un article about a ufo observed in the sky of Thanvillé on August 19, 2009.

I could not read the article which is not available for free anymore on the newspaper's Website.



I feel like saying "Well, Chinese lanterns again..." but as the article in not available to me for now, I hold it right there.


Totally insufficient information.

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 September 9, 2015 Creation, [dcy1].
1.0 Patrick Gross September 9, 2015 First published.

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This page was last updated on September 9, 2015.