The index page for the 1954 French flap section of this site is here.
Reference number for this case: 4-Nov-54-Colmar. Thank you for including this reference number in any correspondence with me regarding this case.
[Ref. 1057] CHRISTIAN VALENTIN:
Christian Valentin gathered a dossier concerning the 1954 flap in Alsace, the dossier was published in 2004 in the magazine "Les Saisons d'Alsace" published by the large regional newspaper Les Dernières Nouvelles d'Alsace. This is one of the cases he presented.
On November 4, 1954 at 07:40 p.m., a luminous ball followed by a red and blue trail flies over the civilian hospital of Colmar in direction of the Vosges.
Not looked for yet. Airplane, meteor ...
(These keywords are only to help queries and are not implying anything.)
Colmar, Haut-Rhin, ball, red, blue, trail, luminous
[-] indicates sources which I have not yet checked.