I was sitting at the sofa - in the break of a tv-football match Denmark vs San Marino, when suddenly something cauth my eye outside the dark window. Strange as I normallly do not look out this window as there is nothing-all dark. Shortly after the fireball was visible in a second approx perhaps more. No sound as I was indoor. A round “front” with a long tale. The window is approx 2’ high and approx 12’ long located in a height of approx 6’ from the floor.