Mr. Grzegorz - the same witness who took several other UFO photos and videos [for example Mirow chance object], during his mushroom-picking trip in Mt. Osson's area near Czestochowa, took another one video.

Watching it on his PC he noticed a strange object that remained invisible for him. It's believed that Osson's Mt. is a hot spot for UFOs. A sighting of a red ball took place here several years ago.