6015 20230106130358.0 POSTER-2023-0002 Clette, Frédéric The Recalibrated Sunspot Number: What It Is and How Will It be Updated? 2018 2018-05-20 STCE Pesnell, William Dean Lefèvre, Laure 2018 Triennial Earth-Sun Summit (TESS) of the AGU and AAS, Leesburg, VA, USA. frederic.clette@observatoire.be https://connect.agu.org/tess2018/home CPOSTER