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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:

Map.

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.

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."

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This page was last updated on June 6, 2021.