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-1

Summary:

In a listing of UFO sighting reports in the Haut-Rhin on their website, the Alsatian ufology association SPICA noted circa 2015 that on Wednesday, April 18, 1990, at 08:45 p.m. in Strasbourg, a "ball, balloon or melon (3D)" of green color had been seen, and that the case is solved: it was a meteor.

A US catalog on the web, for his part, said for this case that at 08:50 p.m. two witnesses had observed three lights for more than a minute.

Another US source says the source is the ufology magazine Lumières Dans La Nuit #302 of March / April 1990.

Data:

Temporal data:

Date:	April 18, 1990
Time:	08:45 p.m.
Duration:	1 minute or more.
First known report date:	March 1990
Reporting delay:	Days, weeks.

Geographical data:

Department:	Bas-Rhin
City:	Strasbourg
Place:	?
Latitude:	48.573
Longitude:	7.752
Uncertainty radius:	5 km

Witnesses data:

Number of alleged witnesses:	2
Number of known witnesses:	?
Number of named witnesses:	?
Witness(es) ages:	?
Witness(es) types:	?

Ufology data:

Reporting channel:	Ufology magazine "Lumières Dans La Nuit".
Type of location:	?
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:	?

Classifications:

Hynek:	NL
ALSACAT:	Meteor.

Sources:

[Ref. lhh1:] LARRY HATCH:

15550: 1990/04/18 20:50 1 7:48:00 E 48:36:00 N 3333 WEU FRN BRH 6:7

STRASBOURG,FR:2 OBS:3 NLTS/DLT FORMn NNW>>SSE BELOW 5KM CLOUDS:NO STRUCT.VSBL

Ref#194 LUMIERES dans la NUIT.(LDLN France) Issue No. 302 : TOWN &CITY

[Ref. uda1:] "UFODNA" WEBSITE:

18 April 1990 20:50

Strasbourg, Alsace, France

Unidentified objects were sighted, that had an unusual appearance or performance. Three lights were observed by two witnesses for over one minute.

Hynek rating: NL

Vallee rating: FB1

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

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

City	Date and hour of observation	General shape Identification	General color Hypothesis	Conclusion
STRASBOURG	Wednesday 18 April 1990 at 08:45 p.m.	ball, balloon or melon (3D) Natural reentry	green Natural reentry	Solved

Discussion:

SPICA must have details on the explanations, I therefore use it.

Evaluation:

Meteor.

Sources references:

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

[ldl1] ? Ufology magazine Lumières Dans La Nuit (LDLN), France, #302, March / April 1990.
[lhh1] * "*U* Computer Database", compiled by Larry Hatch, USA, circa 2002.
[uda1] * "18 Apr 1990 - Strasbourg, Alsace, France", web page by the UFOdna website, circa 2013, at http://thecid.com/ufo/uf11/uf6/116847.htm
[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	July 12, 2015	Creation, [uda1], [spa1].
1.0	Patrick Gross	July 12, 2015	First published.
1.1	Patrick Gross	june 6, 2021	Addition [lhh1]. In the Summary, addition of "Another US source says the source is the ufology magazine Lumières Dans La Nuit #302 of March / April 1990."

This page was last updated on June 6, 2021.