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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 Petit Rombach, in 1965:

Case number:



From 1984 to 1986, local ufologist Eric Antoine investigated several sightings made from the hotel in the hamlet of Petit-Rombach from 1965 to 1981.

One of the observations was that in 1965, two members of the L family, aged 16 and 18, watched from inside one of the rooms on the 1st floor, south facade, of the hotel "Au Bois du Prince" in Petit-Rombach, a strong light that passed in front of one of the two windows, heading towards the West, without any noise or lighting in the room.


Temporal data:

Date: 1965
Time: ?
Duration: ?
First known report date: May 1987
Reporting delay: 22 years.

Geographical data:

Department: Haut-Rhin
City: Petit Rombach
Place: From inside room od 2nd floor south hotel "Au Bois du Prince."
Latitude: 48.264
Longitude: 7.202
Uncertainty radius: 300 m.

Witnesses data:

Number of alleged witnesses: 2
Number of known witnesses: ?
Number of named witnesses: 0
Witness(es) ages: 18, 16
Witness(es) types: ?

Ufology data:

Reporting channel: Local ufologist Eric Antoine.
Type of location: From inside hotel bedroom behind window.
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: ?


Hynek: NL
ALSACAT: Totally insufficient information.


[Ref. eae1:] ERIC ANTOINE:




Dates of the investigations: 12 Nov 84/19 January 85/15 June 85/26 April 86/6 June 86.

Date of sighting: Friday, April 22, 1966, time 9:20 p.m. (local time).

Location of the observation: at the "Petit Rombach", commune of Ste-Croix / Mines, 68160, from the parking lot of the hotel "Au Bois du Prince", Michelin map 87, fold 16.

Main witness: M. MICHEL R., 16 1/2 years old at the time of the events. Postman.

Secondary witness: M. DENIS L., 15/16 years old at the time of the events, schoolboy.

Current occupations: a) Building work b) Army Infantry Adjutant.

Duration of observation: + two minutes.

Appearance: oval object (no flashing light under its planemetry).

Geographic position of the object: EAST / WEST axis.

Angular height: between 70 ° and 90 °.

Direction of observation: SOUTH-WEST. Plunging obliquely: SOUTH WEST / NORTHEAST.

Noise: NONE. Physical + psychological effect. Fear: feeling uncomfortable.

Weather conditions: starry sky and clear. Temp. pleasant. Moderate wind: SOUTH / WEST.

Brief account: (main witness)

It is 9:30 p.m. On the hotel stairs, Michel R. and Denis L. suddenly see a star more scintillating, heading southwest. The space of a fraction of a second and the two stars [the two witnesses, see errata] are in the presence of a dark oval object, stationed noiselessly at approx. 60/150 m altitude, almost vertical. Its length 21) / 7 m, its width approx. 6/7 m. From its upper part, not visible to the witnesses, emerge four long, slightly conical beams, of a uniform color: pastel green, golden yellow, dark blue and black "furnace pipe. These are motionless, horizontal, without any projection towards the dwellings. Apart from the witnesses which are "bathed" in a strange pale clarity, comparable to the fog, to the halo of the moon, of faint glow similar to a nearby lamp without seeing the source or the provenance. 15 to 30 seconds later, the witnesses feel intense fear and uneasiness. Running inside the hotel, after thirty seconds they convince the people present to come out... The object has disappeared and from the place where it hovered a long trail of luminous particles stretches in a wide curve to the east and to the southwest. This trail will dissipate in place in a relatively long duration, from 30 seconds to 15 minutes.

(Note: the details, time, date, shape, beams and colors were noted at the time by Michel R. on the DNA article of 04.24.66).

Additional note:

The secondary witness, Denis L., confesses to having observed something in the company of Michel R. but does not remember it (mixing other facts and observations that also took place at Petit-Rombach - see appendix).

Psychological investigation, main witness:

Lives withdrawn from the village and 50 m from the place of observation. Single, quiet and stable. The only hypothesis with respect to its observation: EXTRA TERRESTRIAL origin. Military at 21 for three years, MDL [Maréchal des Logis] rank, sniper. No visual or hearing problem. Does not read any ufological book or S.F. Keeps abreast of UFO cases by the local press (followed the broadcast of Mr. Polac "Droit de Réponse" on UFOs of October 84). Attended a UFO conference by J.-C. Bourret several years ago.

Current psychological effect: (since 1971)

1) When the witness reports the facts he feels uncomfortable. A kind of blockage or stress, which begins with tingling along the body that can last ONE minute, except at the extremities (of the hands and feet).

2) When an important problem arises for the witness, he thinks of the phenomenon and is then more stimulated and ready to face the problem.


Only according to the two testimonies of the witness: Michel R. according to the statements of this witness, this size (represented above) has nothing to do with reality.

3) Tingling also occurs when the witness senses immediate danger, forcing him to be on guard (in a car, for example. (The secondary witness makes no such remark).

Nearby environment:

Object located above a river. Spruce forest. Old mine galleries 150 m to the south. Geological fault visible at + 200 m to the N / West. No electrical failure to note at the hotel that evening.

Investigator's conclusion:

This close observation, given the numerous investigations, inquiries and counter-investigations + confrontation, is important and worthy of interest. In particular the physical and psychological effects still present today in the main witness, and this since 1971 five years after the facts. For my part, this observation has nothing to do with that made by several inhabitants of Haut-Rhin and Bas-Rhin, the same evening between 9 p.m. and 9:15 p.m. identified subsequently. See Appendix. It is also important to note the other unusual facts that took place at Petit Rombach. Michel R. is trustworthy, not seeking publicity or extrapolating.


1) Parapsychological phenomena at the level of the 1st and 2nd floor of the hotel "Au Bois du Prince", between 1948 / 1976. Movement of object, many deaf noises coming from nowhere, voice of the deceased, feelings of evil the inexplicable ease felt by the most sensitive people. Observed by around ten people living in the area (around ten testimonies from the L family, owner of the hotel, confirm and declare the facts).

2) 1965: Two members of the L family, aged 16 and 18, witness from inside one of the bedrooms on the 1st floor, south facade, the passage of a strong light in front of one of the two windows facing west, without any noise and bedroom lighting.

3) April 22, 1966, the L's witness with about ten other witnesses the appearance of a spherical luminous and growing shape, in the south of the hotel and at high altitude, it is 9 p.m. / 9:15 p.m. At the same hour several people of Oberhergheim, Staffelfeden, Ensisheim and Spechbach-le-Bas observe the same phenomenon. As soon as April 24, this observation is the topic of an article in the DNA, then on May 9, 1966 Austrian astronomers from WIEN [Vienna] inform one of the witness ofthe identification of the luminous phenomenon (scientific experiment of the "MAX PLANCK" institute near Munich, to study the earth magnetic field, see letter).

1980/81: One of Mrs. L.'s sons sees one evening, west of Petit-Rombach, a luminous white sphere describing a horizontal trajectory of the S.-S.O. towards the N.-N. E., in the foreground of a hill. Time: 9 p.m. / 10 p.m.

Vienna, May 9, 1966

Astronomical Association

Mr. J ...

We thank you for your letter of April 25, 1966, which reached us very late and despite an incomplete address, on May 6.

Your proposal to calculate with us the distance of the luminous appearance, in the sky of 22.4.66, since we are at the same latitude, namely 48 °, is certainly very interesting and could continue without further ( or, normally); in the meantime, however, the reason for this luminous appearance has been found. These are TWO gas-filled CLOUDS, formed that evening at about 2,000 kilometers in height


(or altitude) above the Sahara desert, to provide the "Max Planck" institute in Grafelfing, near Munich, with information on the earth's magnetic field and its luminous orbit (or, the belt of the rays of the earth").

We thank you for your kind intention which, in this precise case, is exceeded and we allow ourselves to send you as a small gift the celestial calendar 1966, edited by ourselves. In addition we add to it a copy of the "Message des Etoiles" in which is mentioned on page 56 the 4/22/66, in the evening of the stars during which we observed the luminous appearance mentioned previously (or, "of which we have spoken at the beginning of this letter").

We send our best regards to you.



[Photo caption:] Above a view of Petit Rombach which is located in a hollow and surrounded by hills (Photo taken to the east of the place and about five hundred meters). Or, for the two important observations, it is therefore important to note the geological faults (visible or hidden) as well as the old mine galleries and the captured source located very close to the west of the hotel as well as the course of water which crosses and "cuts" so to speak, in two the Petit Rombach. A stream which, in the season is full of river fishes... And finally let us take into account an old legend which reports that an underground would leave from the ruins of the castle of Echery to cross the hills of the "Bois du Prince" on the southern side of "Petit-Rombach". A legend based, for the moment on no proof of the real existence of this "tunnel."


Note: In LDLN #281-282 on page 7 for November / December 1987, this errata was published:

b) SUMMARY OF INVESTIGATIONS IN THE CASE OF STE CROIX AUX MINES (HAUT-RHIN) (LDLN MAY-JUNE 1987), on page 34 in the 1st and 2nd column of the chapter BRIEF REPORT - You should read in the 5th line "... the space of a fraction of a second and the TWO WITNESSES are in the presence of a dark object of oval shape..." Line 178 should be read: ".. faint light similar to a FLASHLIGHT (and not "close") without seeing the source or the provenance..."



Collected "in passing" during an investigation of a much more detailed case, the report does not include enough information, which allows all sorts of assumptions, such as a meteor passing.


Totally insufficient information.

Sources references:

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

File history:


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

Changes history:

Version: Create/changed by: Date: Description:
0.1 Patrick Gross February 17, 2023 Creation, [aea1].
1.0 Patrick Gross February 17, 2023 First published.

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This page was last updated on February 17, 2023.