Nocturnal means of airglow intensity for the O₂(0-1) Atmospheric band at El Leoncito (32°S, 69°W), in 2009. Intensities have been adjusted for consistency with data before November 2002 (detector change). The green line here corresponds to the climatology explained in Reisin and Scheer (2009).
next figure (2009 OH intensity)             same (O2 intensity) for 1997-2001             2002-2003             2006             2007             2008             2009             2010             2011             2012             2013             2014             2015             2016             2017             2018             2019             2020             2022             2023             2024             2025
2009 overview