ALSACAT:

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 Strasbourg, on April 18, 1990:

Case number:

ALSACAT-1990-04-18-STRASBOURG-2

Summary:

In a listing of UFO sighting reports in the Bas-Rhin on their website, the Alsatian ufology association SPICA noted that on Wednesday, April 18, 1990, in Strasbourg, a white "luminous dot" was seen, that is is an "Unidentified", an "unsolved" case for lack of information, and a "Natural reentry", i.e. a meteor...

Data:

Temporal data:

Date:	April 18, 1990
Time:	?
Duration:	?
First known report date:	2015?
Reporting delay:	Hour, 20 years.

Geographical data:

Department:	Bas-Rhin
City:	Strasbourg
Place:	?
Latitude:	48.574
Longitude:	7.746
Uncertainty radius:	10 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:	Listing of sightings by the regional ufology group SPICA.
Type of location:	?
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:	?

Classifications:

Hynek:	?
ALSACAT:	Totally insufficient information, possible double entry.

Sources:

[Ref. spa1:] UFOLOGY GROUP "SPICA":

City	Date and hour of observation	General shape Identification	General color Hypothesis	Conclusion
STRASBOURG	Wednesday 18 April 1990	luminous dot Unidentified	white Natural reentry	Unsolved - lack of info

Discussion:

SPICA lists another case in Strasbourg at the same date giging the explanation: it was a meteor.

This case may well just be a double entry.

Evaluation:

Totally insufficient information, possible double entry.

Sources references:

* = Source is available to me.
? = Source I am told about but could not get so far. Help needed.

[spa1] * "DEPARTEMENT 67 - BAS-RHIN", listing of UFO sighting reports by the Alsatian ufology group SPICA, Alsace, France, not dated, found in May 2015, at http://www.spica.org/Page_Listing_67.htm

File history:

Authoring:

Main author:	Patrick Gross
Contributors:	None
Reviewers:	None
Editor:	Patrick Gross

Changes history:

Version:	Create/changed by:	Date:	Description:
0.1	Patrick Gross	March 14, 2018	Creation, [spa1].
1.0	Patrick Gross	March 14, 2018	First published.

This page was last updated on March 14, 2018.