*Eric Vermote¹, Sergii Skakun^1,2, Jean-Claude Roger^1,2 (1.NASA Goddard Space Flight Center, 2.University of Maryland, Dept. of Geographical Sciences)

*Jean-Claude Roger^1,2, Eric Vermote², Sergii Skakun^1,2, William Rountree^1,2, Andres Santamaria Artigas^1,2, Natacha Kalecinski^1,2, Oleg Dubovik⁴, Brent Holben³ (1.University of Maryland College Park, Departement of Geographysical Sciences, College Park, MD 20742, USA, 2.Nasa Goddard Space Flight Center, Code 619, Greenbelt, MD 20771, USA, 3.Nasa Goddard Space Flight Center, Code 618, Greenbelt, MD 20771, USA, 4.Laboratoire d'Optique Atmospherique, University of Lille, Villeneuve d’Ascq, 59655, France)

*Jose Luis Villaescusa^1,2, Eric Vermote², Jean-Claude Roger^1,2, Belen Franch^3,1, Sergii Skakun^1,2 (1.University of Maryland College Park, 2.NASA Goddard Space Flight Center, 3.Universitat de Valencia)

*Sergii Skakun^1,2, Eric Vermote², Belen Franch^1,3, Jean-Claude Roger^1,2 (1.University of Maryland College Park, 2.NASA Goddard Space Flight Center, 3.University of Valencia)

*Natacha kalecinski^1,2, Sergii Skakun^1,2, Jean-Claude Roger^1,2, Eric Vermote² (1.Department of Geographical Sciences, University of Maryland College Park, USA, 2.NASA Goddard Space Flight Center, Greenbelt, USA)

Eric Vermote², Joel McCorkel³, *Andrés Eduardo Santamaría-Artigas^1,2, William Henry Rountree^1,2, Sergii Skakun^1,2, Belen Franch^4,1, Jean-Claude Roger^1,2 (1.University of Maryland, College Park, 2.NASA Goddard Space Flight Center Code 619, 3.NASA Goddard Space Flight Center Code 618, 4.Universitat de Valencia, Spain)