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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 in Alsace, on October 11, 2008:

Case number:



On May 6, 2013, a video titled "ufo Alsace" appeared on Youtube - it then disappeared - accompanied by a short story saying that during the night of Saturday, October 11, 2008, around 10:30 p.m., a family and their neighbors saw in the sky a huge luminous dot moving from north to south and having a bright red color.

A few seconds later, a second and a third "mysterious" dot also of bright red color appeared and joined the first.

During this observation, the night was reportedly "calm and relatively silent", and apparently none of these "mysterious balls did not emit the slightest noise during their travels."

In two of the comments of the video, it is suggested that these might have been Chinese lanterns.


Temporal data:

Date: October 11, 2008
Time: 10:30 p.m.
Duration: ?
First known report date: May 6, 2013
Reporting delay: 4 years.

Geographical data:

Department: ?
City: ?
Place: UFO in the sky.
Latitude: 48.303
Longitude: 7.448
Uncertainty radius: 100 km

Witnesses data:

Number of alleged witnesses: Several.
Number of known witnesses: ?
Number of named witnesses: 0
Witness(es) ages: ?
Witness(es) types: A family and their neighbors.

Ufology data:

Reporting channel: Video on "Yoututbe"
Type of location: ?
Visibility conditions: Night.
UFO observed: Yes
UFO arrival observed: Yes
UFO departure observed: ?
Entities: No
Photographs: Yes, missing.
Sketch(s) by witness(es): No.
Sketch(es) approved by witness(es): No.
Witness(es) feelings: ?
Witnesses interpretation: ?


Hynek: NL
ALSACAT: Probable Chinese lanterns.


[Ref. you1:] ON "YOUTUBE":

ufo Alsace

valentin Api


Published May 6, 2013

During the night of Saturday, October 11, 2008, around 10:30 p.m., a family as well as their neighbors will see in the sky a huge bright dot moving from north to south and having a bright red color.

Seconds later, a second and a third dot also being mysterious bright red dot will make their appearances to reach the first.

It is important to note that during this observation, the night was calm and relatively quiet. Apparently, none of these mysterious balls did emit any noise during the movement.

2 months ago

Its [sic] chinese lanterns.?

4 months ago

is it possible according to you that itwas [sic] lanterns?

8 months ago

I see the same things in the sky all almosts [sic] evenings! Thank you for shared your experiences !!


In the years 2005 to 2018 (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 some "scientific evidence". Simply, the meager description is consistent with that. So if diehards insist that these were not Chinese lanterns, let them demonstrate it.

Chinese lantern.


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 July 6, 2021 Creation, [you1].
1.0 Patrick Gross July 6, 2021 First published.

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This page was last updated on July 6, 2021.