SPIREX Fragment W Impact These three frames show the impact site of the final fragment of comet Shoemaker-Levy 9 on Jupiter, observed at 08:14 UT on 22 July. In order from left to right, the frames show immediately before, at peak brightness and a few minute after. The middle frame is affected by variatons in sky brightness due to fluctuations in the cloud cover at the time of the observation. South Pole Infrared Explorer (SPIREX) Mark Hereld, Hien Nguyen, Bernard Rauscher, Scott Severson, James Lloyd Center for Astrophysical Research in Antarctica (CARA) CARA is a National Science Foundation Science and Technology Center.