Large Magellanic Cloud, 1987 (51.4 kparsec) SN 1987a after before 2006 Hubble.
February 2013 Ground Layer Adaptive Optics (GLAO) Experiment on Mauna Kea Doug Toomey.
Neutrino search in Auger Ricardo A. Vázquez University of Santiago de Compostela, Spain for the Pierre Auger collaboration Beijing, April 2006.