Karsten Schindler^1,2, Amanda S. Bosh³, Stephen E Levine⁴, Michael J Person³, Jürgen Wolf^1,2, Carlos Zuluaga³, Alfred Krabbe¹ and Varda Occultation Observation Team, (1)Universität Stuttgart, Deutsches SOFIA Institut, Stuttgart, Germany, (2)SOFIA Science Center, NASA Ames Research Center, Moffett Field, CA, United States, (3)Massachusetts Institute of Technology, Earth, Atmospheric, and Planetary Sciences, Cambridge, MA, United States, (4)Lowell Observatory, Flagstaff, AZ, United States