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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 May 3, 1950:

Case number:



In the flying saucer magazine "Uranus" of 1954, there was a mention that several inhabitants of Mulhouse saw on May 3, 1950, "an oblong body, shining like silver, dropping at a dizzy space from the sky, and shooting out a jet of flame."


Temporal data:

Date: May 3, 1950
Time: ?
Duration: ?
First known report date: 1954
Reporting delay: Day, 4 years.

Geographical data:

Department: Haut-Rhin
City: Mulhouse
Place: City, UFO in the sky.
Latitude: 47.750
Longitude: 7.335
Uncertainty radius: 30 km

Witnesses data:

Number of alleged witnesses: Several.
Number of known witnesses: ?
Number of named witnesses: 0
Witness(es) ages: ?
Witness(es) types: ?

Ufology data:

Reporting channel: British saucer bulletin "Uranus".
Type of location: City, UFO in the sky.
Visibility conditions: ?
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: ?
ALSACAT: Probable meteor.




3/5/50: Several inhabitants of Mulhouse, E. France, saw "an oblong body, shining like silver, dropping at a dizzy space from the sky, and shooting out a jet of flame."



"Uranus", edited by Eric Biddle, was essentially an English version of the French newsletter "Ouranos" about the flying saucers published by Jimmy Guieu.

The short description here is quite an obvious description of a meteor.

Moreover, it is possible that the date is wrong and the location approximate, so that this could be the case at the Markstein on May 1, 1950.


Probable meteor.

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 March 30, 2017 Creation, [sct1].
1.0 Patrick Gross March 30, 2017 First published.

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This page was last updated on March 30, 2017.