comet and spectroscopic observations on 21 march

during this clear night and no moon, i could observe several comets: 78P, 114P, 124P, 155P, 246P, C/2010 U3, C/2017 T2, C/2019 Y4, C/2020 A2. Witrh the C11 + LHiResIII (2400 l/mm grating) is could obtain high resolution spectra of the H-alpah region of Be-stars: CQ Uma, CT Cam, HD 24479, V416 Aur.