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## Authors and Affiliations

F. Clette¹ ID • L. Lefèvre¹ ID • T. Chatzistergos² ID • H. Hayakawa³,⁴,⁵,⁶ ID •

V.M.S. Carrasco⁷ ID • R. Arlt⁸ • E.W. Cliver⁹ ID • T. Dudok de Wit¹⁰,¹¹ ID • T.K. Friedli¹² ID •

N. Karachik¹³ • G. Kopp¹⁴ • M. Lockwood¹⁵ ID • S. Mathieu¹⁶ ID • A. Muñoz-Jaramillo¹⁷ ID •

M. Owens¹⁵ ID • D. Pesnell¹⁸ ID • A. Pevtsov⁹ ID • L. Svalgaard¹⁹ ID • I.G. Usoskin²⁰ ID •

L. van Driel-Gesztelyi²¹,²²,²³ ID • J.M. Vaquero⁷ ID

<figure><img src="image_27.png" /></figure>

T. Chatzistergos

chatzistergos@mps.mpg.de

¹ World Data Center SILSO, Royal Observatory of Belgium, 3 avenue Circulaire, 1180, Brussels, Belgium

² Max Planck Institute for Solar System Research, Justus-von-Liebigweg 3, 37077 Göttingen, Germany

³ Institute for Space-Earth Environmental Research, Nagoya University, Nagoya, 4648601, Japan

⁴ Institute for Advanced Research, Nagoya University, Nagoya, 4648601, Japan

⁵ Space Physics and Operations Division, RAL Space, Science and Technology Facilities Council, Rutherford Appleton Laboratory, Harwell Oxford, Didcot, Oxfordshire, OX11 0QX, UK

⁶ Nishina Centre, Riken, Wako, 3510198, Japan

⁷ Departamento de Física, Universidad de Extremadura, E-06006, Badajoz, Spain

⁸ Leibniz-Institut f. Astrophysik Potsdam, An der Sternwarte 16, 14482, Potsdam, Germany

⁹ National Solar Observatory, 3665 Discovery Drive, 3rd Floor, Boulder, CO, 80303, USA

¹⁰ LPC2E, CNRS/CNES/University of Orléans, 45067 Orléans, France

¹¹ International Space Science Institute, Hallerstrasse 6, 3012, Bern, Switzerland

¹² Rudolf Wolf Society, Ahornweg 29, 3123, Belp, Switzerland

¹³ Ulugh Beg Astronomical Institute, Uzbekistan Academy of Sciences, 33 Astronomicheskaya str., 100052, Tashkent, Uzbekistan

<figure><img src="image_28.png" /></figure>

Springer
14 Laboratory for Atmospheric and Space Physics, University of Colorado, 3665 Discovery Dr.,
Boulder, CO, 80303, USA

15 Department of Meteorology, University of Reading, Earley Gate, PO Box 243, Reading, RG6 6BB,
UK

16 ISBA/LIDAM, UCLouvain, Pl. de l'Université 1, 1348, Ottignies-Louvain-la-Neuve, Belgium

17 Division of Solar System Science, Southwest Research Institute, Boulder, CO, USA

18 Code 671, NASA Goddard Space Flight Center, Greenbelt, MD, 20771, USA

19 Hansen Experimental Physics Lab, Stanford University, Stanford, CA, 94305, USA

20 Space Physics and Astronomy Research Unit and Sodankylä Geophysical Observatory, University
of Oulu, 90014, Oulu, Finland

21 Mullard Space Science Laboratory, University College London, Holmbury St. Mary, Dorking,
Surrey, RH5 6NT, UK

22 Observatoire de Paris, Université PSL, CNRS, Sorbonne Université, Univ. Paris Diderot, Sorbonne
Paris Cité, 5 place Jules Janssen, F-92195, Meudon, France

23 Konkoly Observatory, Research Centre for Astronomy and Earth Sciences, Konkoly Thege út
15-17, H-1121, Budapest, Hungary