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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 Ostwald, on June 7, 2013:

Case number:



Someone published on June 7, 2013, on Youtube, a video taken the same day at 10:25 p.m., titrating "UFO in Ostwald Friday, June 7, 2013 at 10:25 p.m.".

The video shows what looks very much like Chinese lanterns. The soundtrack of the video appears to indicate that two young boys or teenagers saw and filmed it, thinking those were UFOs because of the slow movement, too slow for planes. The video was also posted on the website of the BFM TV information channel.

The meager comment also says that: "It was not a plane the planes go faster and are not as dazzling as cars headlights, and there was no noise."


Temporal data:

Date: June 7, 2013
Time: 10:25 p.m.
Duration: 2 minutes 15 or more.
First known report date:
Reporting delay: Minutes, two hours.

Geographical data:

Department: Bas-Rhin
City: Ostwald
Place: Outside, UFOs at low elevation in the sky.
Latitude: 48.543
Longitude: 7.709
Uncertainty ratio: 1 km

Witnesses data:

Number of alleged witnesses: 2
Number of known witnesses: 2
Number of named witnesses: 0
Witness(es) ages: Teenagers.
Witness(es) types: Boys.

Ufology data:

Reporting channel: Video and comment published on Youtube and TV news Channel website.
Type of location: Outside, UFOs at low elevation in the sky.
Visibility conditions: Night
UFO observed: Yes
UFO arrival observed: ?
UFO departure observed: Uncertain
Entities: No
Photographs: Yes.
Sketch(s) by witness(es): No.
Sketch(es) approved by witness(es): No.
Witness(es) feelings: Puzzled.
Witnesses interpretation: Does not know, but not planes.


Hynek: NL
ALSACAT: Probable Chinese lanterns.


[Ref. you1:] VIDEO ON "YOUTUBE":

UFO in Ostwald 10:25 p.m. Friday 06/7/2013

By: ForceGameHK


Published June 7, 2013

UFO in Ostwald 10:25 p.m. Friday 06/7/2013

It was not a plane plane go faster and dont have such dazling light like car headlight, and there was no noise , video can be seen on BFM Témoins


The first "false UFOs" caused by Chinese lanterns that I identified were in the United States during the airship wave of 1896-1897, it also happened during the 1954 French "saucers" flap, including in Alsace (Example), it happened during the wave of 1973 in the United States (Example), etc. As there are years-long gaps in their use, some ufologists, too many ufologists, and of course the witnesses, forget them as a possible cause for UFO sightings.

In the years 2005 to 2014 (when I write these lines - in Alsace, most so-called "UFO sightings" that were reported were actually caused by Chinese lanterns.

In this case, I obviously do not have any "scientific proof". Simply, what I see in the video looks entirely like Chinese lanterns. So if diehards want to claims this was something else, they have to demonstrate it.


Probable 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
Editeur: Patrick Gross

Changes history:

Version: Create/changed by: Date: Description:
0.1 Patrick Gross March 20, 2014 Creation, [you1].
1.0 Patrick Gross March 20, 2014 First published.

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This page was last updated on March 20, 2014.