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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 Mulhouse, on December 3, 2013:

Case number:



On December 4, 2013, someone posted a video on "YouTube", claiming that it shows a cigar-shaped object seen in the south of Mulhouse, France, by a man walking his dog.

It is said that he filmed it on December 3, 2013 with his digital reflex camera.

It is said that "UFOFilesTV" performed the publication on YouTube, that "Audio World Color" is the owner of all rights of distribution and "uploaded videos on our YouTube channel" and must be contacted for commercial use.

The 53 seconds video, visible below, shows something grayish, elongated, reminiscent of a flattened cloud, in daytime over a suburban forest, completely motionless at the beginning and seeming to move and disappear in the end.


Temporal data:

Date: December 3, 2013
Time: Day.
Duration: 53 seconds or more.
First known report date: December 4, 2013
Reporting delay: 1 day.

Geographical data:

Department: Haut-Rhin
City: Mulhouse
Place: Outside in suburb park or forest South of Mulhouse, UFO in the sky.
Latitude: 47.739
Longitude: 7.350
Uncertainty ratio: 4 km

Witnesses data:

Number of alleged witnesses: 1
Number of known witnesses: 1
Number of named witnesses: 0
Witness(es) ages: Young adult, adult or aged.
Witness(es) types: Male.

Ufology data:

Reporting channel: Sensation Youtube UFO videos channel.
Type of location: Outside in suburb park or forest, UFO in the sky.
Visibility conditions: Night.
UFO observed: Yes
UFO arrival observed: ?
UFO departure observed: Yes
Entities: No
Photographs: Yes.
Sketch(s) by witness(es): No.
Sketch(es) approved by witness(es): No.
Witness(es) feelings: ?
Witnesses interpretation: ?


Hynek: DD
ALSACAT: Unidentified, probable fake video.


[Ref. you1:] ON "YOUTUBE":

Cigar-shaped UFO over Mulhouse, France on 12/03/2013

5 353
67 823

Added 4 dec. 2013

This cigar-shaped object was sighted south of Mulhouse, France. A man has seen it during a walk with his dog. He has filmed it with his DSLR camera. "UFOFilesTV" has finished the project on YouTube. Audio Color World own all distribution rights of the uploaded videos on our YouTube channel. If you like to use videos for uploads or commercial use please contact "info@audiocolorwo­".


As of 2015, "UFOFilesTV" had published a score of alleged UFO videos, often said to come from European countries, on Youtube, but none were seriously investigated or documented by their care or by anyone else.

In this period it became very easy to create such video from scratch; so it has no probative value and the case neither since almost no information is given on the observation (context, hour, precise location, duration, etc.)

Here, my impression is that someone used an image of a flattened cloud to make the UFO. The animation and the "disappearance" would be quite easy to create.

Also note that such a thing in the sky in the south of Mulhouse (population ~100.000) would probably have be seen by many witnesses; I found no trace of any matching sighting report.


Unidentified, probable fake video.

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 August 31, 2015 Creation, [you1].
1.0 Patrick Gross August 31, 2015 First published.

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This page was last updated on August 31, 2015.