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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 Hoenheim, on March 8, 1994:

Case number:



According to a US ufology catalog of the web, the ufology magazine "Phenomena" had reported a UFO sighting in Hoenheim dated March 8, 1994, in the evening.

Schematically, the catalog says it was at 10:00 p.m., it was of the "nocturnal light", a disc of 5 meters diameter clearly seen; which appeared and disappeared at varying intervals in the clouds, and that it lasted more than 15 minutes.


Temporal data:

Date: March 8, 1994
Time: ~10:00 p.m.
Duration: ~15 minutes.
First known report date: 2002
Reporting delay: Hours, 8 years.

Geographical data:

Department: Bas-Rhin
City: Hoenheim
Place: ?
Latitude: 48.620
Longitude: 7.755
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: Ufology magazine "Phenomena".
Type of location: From big city suburb, UFO in the sky.
Visibility conditions: Night
UFO observed: Yes
UFO arrival observed: ?
UFO departure observed: ?
Entities: No
Photographs: No.
Sketch(s) by witness(es): No.
Sketch(es) approved by witness(es): No.
Witness(es) feelings: ?
Witnesses interpretation: ?


Hynek: NL
ALSACAT: Totally insufficient information.


[Ref. ud1:] "UFODNA" WEBSITE:

8 March 1994 22:00

Hoenheim, Alsace, France

5m diameter disc clearly seen. It appeared and vanished at variable intervals under clouds.

An unusual object was sighted, that had unconventional appearance and performance. One disc, about 20 feet across, was observed in a residential area for over 15 minutes.

Hynek rating: NL

Vallee rating: MA1

The sources are indicated as: "Phenomena,; Hatch, Larry, *U* computer database, Author, Redwood City, 2002."


The [ud1] source is a catalog on the web that essentially re-published the old "UFOCAT" catalog. It must be understood that the information therein is "schematically" given. For example, when the primary source says an observation took place "in the evening", UFOCAT recorded it as "10:00 p.m.".


Totally insufficient information.

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 28, 2015 Creation, [ud1].
1.0 Patrick Gross July 28, 2015 First published.

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This page was last updated on July 28, 2015.