Through intermittent clouds we observed the L impact which
was visible at least by 22:23 U.T. at 2.2um. We took a spectrum at 2.10um
with a resolution of 3800 at 22:40 U.T. which did not show any strong
emission features but a real reduction is needed.
George and Marcia Rieke, Milagros Ruiz, and Dennis Means Steward Observatory 90-inch on Kitt Peak