Nicolas Theys¹, Rainer M Volkamer², Trissevgeni Stavrakou³, Jean-Francois Muller³, Kyle J Zarzana⁴, Lieven Clarisse⁵, Isabelle De Smedt⁶, Christophe Lerot⁶, Henning Finkenzeller⁷, Francois Hendrick⁸, Theodore Konstantinos Koenig⁷, Christopher Lee⁹, Huan Yu¹⁰ and Michel Van Roozendael⁶, (1)Royal Belgian Institute for Space Aeronomy, Uccle, Belgium, (2)Univ. of Colorado, Boulder, Boulder, CO, United States, (3)Belgian Institute for Space Aeronomy, Brussels, Belgium, (4)University of Colorado- CIRES, Boulder, CO, United States, (5)Université Libre de Bruxelles (ULB), Quantum Chemistry and Photophysics, Atmospheric Spectroscopy, Brussels, Belgium, (6)Royal Belgian Institute for Space Aeronomy, Brussels, Belgium, (7)University of Colorado at Boulder, Boulder, CO, United States, (8)Belgisch Instituut voor Ruimte-Aeronomie, Brussel, Belgium, (9)Cooperate Institute for Research in Environmental Sciences, Boulder, United States, (10)Royal Belgian Institute for Space Aeronomy, Bruxelles, Belgium