Discovery of an extended G giant chromosphere in the 2019 eclipse of γ Per S. J. M. Diamant, K.-P. Schröder, D. Jack, F. Rosas-Portilla, M. Fridlund and J. H. M. M. Schmitt A&A, 674 (2023) A162 Published online: 19 June 2023 DOI: 10.1051/0004-6361/202245241