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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 Mulhouse, on July 3, 2010:

Case number:

ALSACAT-2010-07-03-MULHOUSE-1

Summary:

Someone anonymously published on July 4, 2010, on the blog "UFO-Mulhouse", that on July 3, 2010, at approximately 10:30 p.m. in the sky of Mulhouse, a white light moving very quickly horizontally, repeatedly following the same path, was seen.

Data:

Temporal data:

Date: July 3, 2010
Time: ~10:30 p.m.
Duration: ?
First known report date: July 4, 2010
Reporting delay: 1 day.

Geographical data:

Department: Haut-Rhin
City: Mulhouse
Place: ?
Latitude: 47.748
Longitude: 7.335
Uncertainty radius: 10 km

Witnesses data:

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

Ufology data:

Reporting channel: Local UFO blog.
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: Probable Skytracer.

Sources:

[Ref. ome11:] "OVNI MULHOUSE" BLOG:

Anonymous on 07/04/2010

JULY 4, 2010 at about 10:30 p.m. in the sky of Mulhouse saw whitish light that moved very fast horizontaly [sic] performing several time the same trip.

Anonymous on 07/04/2010

CORRECTION : JULY 3 AT ABOUT 10:30 P.M. (not JULY 4) in the sky of Mulhouse saw whitish light that moved very fast horizontaly [sic] performing several time the same trip.

Discussion:

Map.

It so happens that one evening between the 10 and 11 p.m. in July 2011 (not 2010) - I failed to note the exact date, unfortunately - I managed to see what I immediately identifiedas the projection of a Skytracer on the bottom of the clouds layer, in Mulhouse. I was walking on the banks or the Ill river, approaching the rear of the soccer stadium, and I saw it unetil I arrived at the level of the quai des Cigognes buildings.

What this witness describes is vry stronly similar. Skytracers are occasionally used for events and parties in Mulhouse.

Scan.

Above: The projection, obviously impossible to locate exactly, was in the direction shown by the green lines on the left, I saw it while walking from point A to point B, almost constantly (there are some obstacles to the view along the way).

Obviously, this was "moving very fast horizontally following the same path several times." The horizontality was that of the cover layer, and the path was a programmed sequence.

On July 3, 2010, in Mulhouse, there was the "Parade Automobile" of antique car within the "Festival of Mulhouse 2010," with "events, concerts, etc.".

About "Skytracers":

Skytracer.

One sometimes call them "discotheque lasers", it is often so in the regional Pres, as a cause of UFO sightings. They are actually not lasers but projectors of ordinary light.

The purpose of these Skytracers is to get attention from far away, up to miles away. Lasers are mostly effective on location, inside a nightclub or on a concert place.

Skytracer.

Their light can be white, but it can also have a green, blue, red, yellow hue... Motors are used to move the projections on 1, 2 or 3 axis. By software, they can be programmed to perform sequences of more or less repetitive figures; as witnesses often report.

Scan.

When there is vapor in the air from the ground up, the Skytracer produces a beam of light, fixed or mobile.

It can produce the impression of a "luminous cigar."

Skytracer.

But id a low cloud layer tops a mass of dry air on the ground, there is no visible beam, one sees the projection of the beam on the bottom of the clouds. It is mostly in such conditions that people sometimes are unable to recognize projectors.

With several networked and programmed Skytracers, it is possible de produce shows of the "flying saucer" or "flying saucers formation" kind.

Evaluation:

Probable Skytracer.

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 25, 2015 Creation, [ome1].
1.0 Patrick Gross July 25, 2015 First published.

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This page was last updated on July 25, 2015.