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- Dr Christian Luginbuhl, US Naval observatory, Flagstaff Station, AZ
 - Dan Duriscoe, US National parks, Colorado
 - Robert Dick, University of Ottawa and Canadian Scotobiology Advisory Group
 - Chris Baddiley, retired researcher from UK
 - Prof. Helmuth Horvath, University of Vienna, Faculty of Physics – Aerosol and Environmental Physics
 - Dr Christopher Kyba, Freie Universität Berlin / Leibniz Institute for Freshwater Ecology and Inland Fisheries
 - Dr Miroslav Kocifaj, Astronomical Institute, Slovak Academy of Sciences
 - Prof. Martin Aubé, Cégep and Université of Sherbrooke, physics dpt, Canada
  
 
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