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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 Hochstatt, in July 2013:

Case number:



Someone posted anonymously on Youtube on July 23, 2013, a video with the only information: "2013 UFO Mulhouse Hochstatt".

It shows small bright dots that look totally like Chinese lanterns.


Temporal data:

Date: July 2013
Time: Night.
Duration: 1 minute 33 or more.
First known report date: July 23, 2013
Reporting delay: Days, weeks.

Geographical data:

Department: Haut-Rhin
City: Hochstatt
Place: ?
Latitude: 47.702
Longitude: 7.274
Uncertainty ratio: 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: Video posted on Youtube.
Type of location: ?
Visibility conditions: Night
UFO observed: Yes
UFO arrival observed: ?
UFO departure observed: ?
Entities: No
Photographs: Yes.
Sketch(s) by witness(es): No.
Sketch(es) approved by witness(es): No.
Witness(es) feelings: ?
Witnesses interpretation: ?


Hynek: NL
ALSACAT: Chinese lanterns.





Fun Moment

Posted on July 23, 2013

Science and technologie


Probably recorded on National Day, July 14!

See also this.

Since 2005, Chiese lanterns constitute the bulk of the "testimonies" of UFOs found on websites devoted to the subject of UFOs and essentially publishing such "web report"; generally the only treatment is the publication, without any information on a possible cause, without any investigation or comment.

In Alsace, such releases are especially popular now since fireworks and firecrackers, long tolerated, are now prohibited for use unless special exemptions; Alsatians therefore largely adopted the lanterns.

As these lanterns are usually released at private or public parties, they are most often seen on Saturday nights, often at wedding dates or official festivities such as the National Day or New Year's Eve, usually between 10 p.m. and midnight. They are then usually released in clusters. But sometimes the purchaser performs a "test flight" a few days before, sometimes with a single lantern.


A Chinese lantern.


Chinese lanterns.

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 February 16, 2018 Creation, [yo1].
1.0 Patrick Gross February 16, 2018 First published.

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This page was last updated on February 16, 2018.