Spectropolarimetric observations of the solar atmosphere in the Hα 6563 Å line J. Jaume Bestard, J. Trujillo Bueno, M. Bianda, J. Štěpán and R. Ramelli A&A, 659 (2022) A179 Published online: 25 March 2022 DOI: 10.1051/0004-6361/202141834