The accompanying image was taken at 8:18 UT at a wavelength of 3.8 microns. Jupiter's south pole is in the lower left corner. The Great Red Spot, white in this image, is the large oval on Jupiter's east limb. The familiar atmospheric bands are also visible. On the left edge of the image are two spots. The bright spot on the limb is site C; the dimmer spot closer to the center of the planet is site A, from an impact about 11 hours earlier. This wavelength is sensitive to relatively high altitudes, and site C is still bright at this wavelength.

NASA IRTF Comet Collision Science Team