W. M. KECK TELESCOPE CAPTURES IMPACT OF FRAGMENT-R ON JULY 21 5:30
UNIVERSAL TIME.

The image shows a three by three time sequence of frames from a movie
which records the flash (frames 2 & 4)  and fireball (frames 6 through
8) due to the impact of SL-9 fragment R on Jupiter. Time runs from left
to right, and top to bottom. Each frame last for 4 seconds.

The images were observed in the infrared at a wavelength of 2.3 microns.


Photo credit: W. M. Keck Observatory/ Imke de Pater, James
R. Graham, Garrett Jernigan UC-Berkeley.

For extra information contact: A. Perala, Keck Observatory,
808-885-7887