Long-term properties of coronal off-limb structures S. Bourgeois, S. Chierichini, Sz. Soós, R. Erdélyi, J. Liu, M. B. Korsós, R. Gafeira and T. Barata A&A, 693 (2025) A301 Published online: 28 January 2025 DOI: 10.1051/0004-6361/202451257