MUSE spectroscopic observations of the young massive cluster NGC 1850 A. Sollima, V. D’Orazi, R. Gratton, R. Carini, E. Carretta, A. Bragaglia and S. Lucatello A&A, 661 (2022) A69 Published online: 03 May 2022 DOI: 10.1051/0004-6361/202142928