An account in Is�re, France

On June 22, 2013 after 10:30 PM, two people are astonished by the silent, straight-line passage of a luminous phenomenon in the sky. The description of this not-very-strange phenomenon (a very bright point slowly crossing the sky) clearly evokes the International Space Station (ISS). The Calsky website indicates an ISS pass from 10:45 PM to 10:52 PM, from West to South (see attached Calsky record, and simulation from the witness's point of view). However, there is an imperfect match between the time given by the witness—"10:30 PM, maybe later"—and the simulated time; likewise, the maximum elevation given by the witness (90°) is not the one given by the simulation (17.5°): an inaccuracy in the simulation parameters can be considered. GEIPAN classifies this case as "B": probable observation of the ISS pass with some uncertainty.

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This is an official case file of GEIPAN, the French space agency's unidentified aerospace phenomena office, machine translated from French. The original text and the full investigation file are at geipan.fr. We reproduce it with thanks and remove anything on request.