SPIREX observed the fragment H impact site appearing over the limb
at 22:21 UT, imaged at 2.36 and 2.22 microns. The peak brightness
of the fragment L site appears to be comparable to the H impact.
Mark Hereld, Hien Nguyen, Bernard J. Rauscher, Scott A. Severson Astronomy & Astrophysics Center, University of Chicago