July 19, 1994, was the day of a catastrophe, the comet Shoemaker-Levy 9 hit Jupiter, developing a considerable energy: a cloud of dust larger than the Earth itself floated in Jupiter's atmosphere for several months.
Opposite at the top, images in the infrared of the fall, and down, clouds of dust in Jupiter's atmosphere after the fall.
Here, the films of the disaster made in the infrared at Pic du Midi (105cm telescope): the fall of 18 July 1994 and of 19 July .