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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 Erstein, on October 19, 2013:

Case number:



After a week, an anonymous person filed a report story on a "UFO" website, about an observation on October 19, 2013, in the early afternoon, maybe around 01:30 p.m., of a "metallic gray flying saucer in the distance" seen for one minute through the window of the bedroom in Erstein.

This person was watching the series "The Walking Dead" season 2 on his computer when suddenly something at the east window caught his attention. He looked and observed, in the sky, what looked like a gray metallic saucer that was moving southwest silently and leaving no trail.

Everything happened very quickly, the witness went away to get his cell phone and binoculars to photograph and observe the object, but it was already gone without a trace in the sky.

A little bit later, there were only a plane heading for the same direction.

The witness explained that having no proof of what he says, he preferred not to talk about it to anyone for fear of ridicule, until he found the website where "you do not need proof to testify."


Temporal data:

Date: October 19, 2013
Time: About 01:30 p.m.?
Duration: ~1 minute.
First known report date: March 1, 2014, or earlier.
Reporting delay: 1 week.

Geographical data:

Department: Bas-Rhin
City: Erstein
Place: From desk in bedroom, UFO outside in the sky.
Latitude: 48.422
Longitude: 7.660
Uncertainty radius: 3 km

Witnesses data:

Number of alleged witnesses: 1
Number of known witnesses: 1
Number of named witnesses: 1
Witness(es) ages: ?
Witness(es) types: ?

Ufology data:

Reporting channel: Web report to UFO website "".?
Type of location: From desk in bedroom, UFO outside in the sky.
Visibility conditions: Day
UFO observed: Yes
UFO arrival observed: Yes
UFO departure observed: Yes
Entities: No
Photographs: No.
Sketch(s) by witness(es): No.
Sketch(es) approved by witness(es): No.
Witness(es) feelings: Puzzled.
Witnesses interpretation: Metallic flying saucer.


Hynek: DD
ALSACAT: Possible misinterpretation, or UFO.



10/19/2013 - (Dep.67) - A grey metallic flying saucer in the distance by the window of my bedroom.

Date: 19-10-2013

Department: 67 (Bas-Rhin)

Localization: Erstein

Time: 01:30 p.m.

Numbers [sic] of witnesses: 1 people

Type of observation: DD: Dayligh Discs

Approxima [sic] duration of the observation: 1 minutes

What was seen: A grey metallic flying saucer in the distance by the window of my bedroom.

Description of the facts:

Hello, what hapened to me ocured one week ago. it ocured on saturday october 19 2013 in the beginning ot the afternoon, i do not know exactly at what time, id say a little before 2 p.m., i dont know anymore.I was in my bedroom all alone quietly watching the walking dead season 2 on the computer when sudenly something behind the window directed east caut my attention. I look and i observe in the distance in the sky a what resembled a grey metallic saucer moving towards the south-west without making noise and leaving no trail, everything hapened very fast. I then went to get my binoculars and my cellphone to take pictures and observe but the object had already disapeard without leaving any trace in the sky and a little later there was only a plane that moved to the same direction. But having no proof of what 'm telling i perferd keeping it for myself and not tell it to anyone for fear of being scofed at. Until i discovered this website where one does not need proof to testify.




The sighting would have deserved an investigation, but it apparently hasn't interested anyone.

Angular size, angular velocity, elevation, etc. would have helped.

There is of course the possibilities that this was some plane, maybe some unusual plane, or some helicopter, or even a mylar party balloon pushed by some wind.

Maybe it was a "true UFO". We will probably never know.


Possible misinterpretation, or UFO.

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 14, 2014 Creation, [ofe1].
1.0 Patrick Gross March 14, 2014 First published.

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This page was last updated on March 14, 2014.