Spectroscopic Confirmation: Fast rotators in the young clusters NGC 1856 and NGC 1953. Reduced Spectra recorded with M2FS for NGC 1856 and NGC 1953

M2FS spectra recorded in 2019 and 2022 with the Li-Hα filter for NGC 1856 and NGC 1953. This archive contains the normalized sky-corrected reduced spectra for each observed target. The zip archives for NGC 1856 and NGC 1953 contain 56 and 57 files, respectively. Each ascii file contains 2 columns with the wavelength (in angstrom) and normalized spectrum, with column headers "WAVE" and "SPEC", respectively.