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<footnote n="1">¹ Instituto de Astrofísica de Canarias, 38205 La Laguna, Tenerife, Spain</footnote>

<footnote n="2">² Departamento de Astrofísica, Universidad de La Laguna, 38206 La Laguna, Tenerife, Spain</footnote>

<footnote n="3">³ Leibniz-Institut für Sonnenphysik (KIS), Schöneckstr. 6, 79104 Freiburg, Germany</footnote>

<footnote n="4">⁴ Instituto de Astrofísica de Andalucía (IAA-CSIC), Glorieta de la Astronomía s/n, 18008 Granada, Spain</footnote>

<footnote n="5">⁵ Astronomical Institute of the Czech Academy of Sciences, Fričova 298, 25165 Ondřejov, Czech Republic</footnote>

<footnote n="6">⁶ Institute for Solar Physics, Department of Astronomy, Stockholm University, AlbaNova University Center, 10691 Stockholm, Sweden</footnote>

<footnote n="7">⁷ Astronomical Institute of the Slovak Academy of Sciences, 05960 Tatranská Lomnica, Slovakia</footnote>

<footnote n="8">⁸ Astrophysics Research Centre, School of Mathematics and Physics, Queen's University Belfast, Belfast, BT7 1NN, Northern Ireland, UK</footnote>

<footnote n="9">⁹ European Space Agency (ESA), European Space Research and Technology Centre (ESTEC), Keplerlaan 1, 2201 AZ, Noordwijk, The Netherlands</footnote>

<footnote n="10">¹⁰ Institute for Astronomy, Astrophysics, Space Applications and Remote Sensing, National Observatory of Athens, 15236 Penteli, Greece</footnote>

<footnote n="11">¹¹ Laboratoire de Physique des Plasmas (LPP), École Polytechnique, IP Paris, Sorbonne Université, CNRS, Observatoire de Paris, Université PSL, Université Paris Saclay, Paris, France</footnote>

<footnote n="12">¹² Rosseland Centre for Solar Physics, University of Oslo, PO Box 1029, Blindern 0315, Oslo, Norway</footnote>

<footnote n="13">¹³ LESIA, Observatoire de Paris, Université PSL, Sorbonne Université, Université Paris Cité, CNRS, 5 place Jules Janssen, 92195 Meudon, France</footnote>

<footnote n="14">¹⁴ University of Applied Sciences and Arts of Southern Switzerland (SUPSI), Polo Universitario Lugano, Via Serafino Balestra 16, 6900 Lugano, Switzerland</footnote>

<footnote n="15">¹⁵ GEPI, Observatoire de Paris, PSL Research University, CNRS, 92195 Meudon, France</footnote>

<footnote n="16">¹⁶ INAF Osservatorio Astronomico di Trieste, Via G.B. Tiepolo 11, 34143 Trieste, Italy</footnote>

<footnote n="17">¹⁷ Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam, Germany</footnote>

<footnote n="18">¹⁸ Instituto de Astrofísica e Ciências do Espaço, Universidade de Coimbra, OGAUC, Rua do Observatório s/n, 3040-004 Coimbra, Portugal</footnote>

<footnote n="19">¹⁹ PMOD/WRC, Dorfstrasse 33, 7260 Davos Dorf, Switzerland</footnote>

<footnote n="20">²⁰ ETH-Zurich, Hönggerberg campus, HIT building, Zürich, Switzerland</footnote>

<footnote n="21">²¹ University of Applied Sciences Western Switzerland (HEIG-VD), 1, route de Cheseaux, 1401 Yverdon-les-Bains, Switzerland</footnote>

<footnote n="22">²² Department of Electrical Engineering, Pontificia Universidad Católica de Chile, 4860 Vicuña Mackenna, 7820436 Santiago, Chile</footnote>

<footnote n="23">²³ National Solar Observatory (NSO), 3665 Discovery Drive, Boulder, CO 80303, USA</footnote>

<footnote n="24">²⁴ IRSOL – Istituto Ricerche Solari “Aldo e Cele Daccò”, Università della Svizzera italiana (USI), 6605 Locarno-Monti, Switzerland</footnote>

<footnote n="25">²⁵ Euler Institute, Università della Svizzera italiana (USI), 6900 Lugano, Switzerland</footnote>
26 UCL Mullard Space Science Laboratory, Holmbury St Mary, Dorking RH5 6NT, UK

27 Royal Observatory of Belgium, 1180 Ukkel, Belgium

28 University of Wrocław, Centre of Scientific Excellence - Solar and Stellar Activity, Kopernika 11, 51-622 Wrocław, Poland

29 Astronomical Institute, University of Wrocław, ul. Kopernika 11, 51-622 Wrocław, Poland

30 Physics Department, University of Rome Tor Vergata, 00133 Rome, Italy

31 Leiden Observatory, Leiden University, Niels Bohrweg 2, 2333 CA, Leiden, The Netherlands

32 Hvar Observatory, Faculty of Geodesy, University of Zagreb, Kačićeva 26, 10000 Zagreb, Croatia

33 IGAM/Institute of Physics, Karl-Franzens University Graz, Universitätsplatz 5/II, Graz, Austria

34 Max-Planck-Institut für Sonnensystemforschung (MPS), Justus-von-Liebig-Weg 3, 37077 Göttingen, Germany

35 Centre for Advanced Instrumentation, Department of Physics, Durham University, Durham, UK

36 Department of Physics, University of Calabria, Ponte P. Bucci 31C, 87036 Rende, Italy

37 Institute of Theoretical Astrophysics, University of Oslo, PO Box 1029, Blindern 0315, Oslo, Norway

38 GRANTECAN S.A., C/Vía Láctea s/n (IAC) 38205 La Laguna, Tenerife, Spain

39 INAF Osservatorio Astrofisico di Arcetri, Largo E. Fermi 5, 50125 Firenze, Italy

40 INAF - Fund. Galileo Galilei, Rambla Jose Ana Fernández Perez 7, 38712 Breña Baja (La Palma), Canary Islands, Spain

41 INAF - Istituto di Astrofisica e Planetologia Spaziali, 00133 Roma, Italy

42 Université Paul Sabatier, Observatoire Midi-Pyrénées, IRAP, Cnrs, Cnes, 14 ave. E. Belin, 31400 Toulouse, France

43 Astrophysics Research Institute, Liverpool John Moores University, 146 Brownlow Hill, Liverpool L3 5RF, UK

44 Armagh Observatory & Planetarium, College Hill, Armagh BT61 9DG, N. Ireland, UK

45 Solar Physics & Space Plasma Research Center (SP2RC), School of Mathematics and Statistics, University of Sheffield, Hicks Building, Hounsfield Road, S3 7RH, UK

46 ELTE Eötvös Loránd University, Institute of Geography and Earth Sciences, Department of Astronomy, Budapest, Hungary

47 Hungarian Solar Physics Foundation (HSPF), Petőfi tér 3., Gyula, 5700, Hungary

48 INAF Osservatorio Astronomico di Roma, via Frascati 33, 00078 Monte Porzio Catone, Italy

49 Université Côte d'Azur, Observatoire de la Côte d'Azur, CNRS, Laboratoire Lagrange, France

50 CITEUC - Center for Earth and Space Research of the University of Coimbra, Geophysical and Astronomical Observatory and Department of Mathematics of the University of Coimbra, Coimbra, Portugal

51 Subdirección general de Internacionalización de la Ciencia e Innovación. Ministerio de Ciencia e Innovación. Paseo de la Castellana 162, planta 16 impares, 28046 Madrid, Spain

52 SUPA School of Physics and Astronomy, University of Glasgow, Glasgow G12 8QQ, UK

53 CNRS IRL2009 - THEMIS, Via Lactea s/n, 38205 La Laguna, Canary Islands, Spain

54 MAX IV Laboratory, Lund University, Box 188, 221 00 Lund, Sweden

55 CNR-Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy

56 INAF - Osservatorio Astrofisico di Catania, Via S. Sofia 78, 95123 Catania, Italy

57 Utrecht University, Department of Physics & Astronomy Postbus 80000, 3508TA Utrecht, The Netherlands

58 Department of Optics, Palacký University Olomouc, 17. Listopadu 12, Olomouc, Czech Republic

59 University of Geneva, 7, route de Drize, 1227 Carouge, Switzerland

60 Department of Computer Science, Aalto University, PO Box 15400, 00076 Aalto, Finland

61 Dipartimento di Fisica e Astronomia, Università di Firenze, Florence, Italy

62 Univ Lyon, Univ Lyon1, ENS de Lyon, CNRS, Centre de Recherche Astrophysique de Lyon UMR5574, 69230, Saint-Genis-Laval, France

63 Faculty of Communication Sciences, Università della Svizzera Italiana, Lugano, Switzerland

64 University of California Observatories, 1156 High St., Santa Cruz, CA 95064, USA

65 INAF Osservatorio Astronomico di Capodimonte, Salita Moiariello 16, 80131 Napoli, Italy

66 Expert Analytics AS, Møllergata 8, 0179 Oslo, Norway

67 University of L'Aquila, Dept. of Physical and Chemical Sciences, Via Vetoio 48, 67100 Coppito (AQ), Italy

68 Centre for mathematical Plasma Astrophysics, Dept. of Mathematics, KU Leuven, 3001 Leuven, Belgium

69 Institute of Physics, University of Maria Curie-Skłodowska, Pl. M. Curie-Skłodowska 5, 20-031 Lublin, Poland

70 Skolkovo Institute of Science and Technology, Bolshoy Boulevard 30, bld. 1, Moscow 121205, Russia

71 Thüringer Landessternwarte, Sternwarte 5, 07778 Tautenburg, Germany

72 INAF - Istituto di Astrofisica Spaziale e Fisica Cosmica Via Alfonso Corti 12, 20133 Milano, Italy

73 Centro de Rádio Astronomia e Astrofísica Mackenzie, Escola de Engenharia, Universidade Presbiteriana Mackenzie, São Paulo, Brazil

74 School of Space Research, Kyung Hee University, Yongin, Gyeonggi, 446-701, Republic of Korea

75 ASI, Italian Space Agency, Via del Politecnico snc, 00133 Rome, Italy

76 Institute for Particle Physics and Astrophysics, ETH Zurich, Switzerland

77 National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan

78 Consejo Superior de Investigaciones Científicas, Spain

79 The Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu 610209, PR China

80 Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, PR China

81 Dipartimento di Fisica e Astronomia “Ettore Majorana”, Università di Catania, Via S. Sofia 78, 95123 Catania, Italy