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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 Rohrwiller, on February 25, 2018:

Case number:

ALSACAT-2018-02-25-ROHRWILLER-1

Summary:

On February 26, 2019, "Bath" testified to his sighting on the UFO blog "Area 51", saying that it happened on February 25, 2018, in the skies of Alsace in Rohrwiller in the Bas-Rhin department, and telling:

Going to bed I saw through the window an object ( or lights ) changing color from blue to red to white.

Fixed Ufo that was seeen [sic] from 00:15 to 1:15

Its position seemd [sic] very far away, harde [sic] to see even with binoculars.

Data:

Temporal data:

Date: February 25, 2018
Time: 00:15 a.m.
Duration: 1 jour.
First known report date: February 26, 2019
Reporting delay: 1 day.

Geographical data:

Department: Haut-Rhin
City: Rohrwiller
Place: At the window.
Latitude: 48.756
Longitude: 7.904
Uncertainty radius: 1 km.

Witnesses data:

Number of alleged witnesses: 1
Number of known witnesses: 1
Number of named witnesses: 0
Witness(es) ages: ?
Witness(es) types: ?

Ufology data:

Reporting channel: To UFO blog "Area 51".
Type of location: From window.
Visibility conditions: Night.
UFO observed: Yes.
UFO arrival observed: ?
UFO departure observed: Yes.
Entities: No.
Photographs: No.
Sketch(s) by witness(es): No.
Sketch(es) approved by witness(es): No.
Witness(es) feelings: ?
Witnesses interpretation: UFO.

Classifications:

Hynek: NL
ALSACAT: Probable star.

Sources:

[Ref. ara1:] BLOG "AREA51":

Scan.

Bath says:

02/26/2019 at 7:03 a.m.

Observation of light in the sky of Alsace (position Rohrwiller67)

February 25, 2018.

Going to bed I saw through the window an object ( or lights ) changing color from blue to red to white.

Fixed UFO that was seeen [sic] from 00:15 to 1:15

Its [sic] position seemed very far away, hard to see even with binoculars.

Discussion:

Map.

A fixed "UFO", seen for an hour at night, difficult to see, changing color from blue to red to white, this must suggest an astronomical misinterpretation: a star or possibly a planet.

The report is unfortunately very poor, notably lacking a direction indication and an elevation indication.

Possible bright stars were: Deneb (14░, 5.6░), Vega (38░, 9░), Sirius (228░, 11░), Rigel (251░, 5░) and Aldebaran (275░, 17░).

At 01:15, Deneb is still at 9░, Vega at 15░, Sirius at 3░, Rigel is set at -4░, Aldebaran is still at 7.5░.

If the end of the observation is that of a star passing behind the horizon, Sirius is perfect.

Evaluation:

Probable star.

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 March 26, 2023 Creation, [ara1].
1.0 Patrick Gross March 26, 2023 First published.

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This page was last updated on March 26, 2023.