comet and spectroscopic observations on 5 march 2021

it promises to be a clear night with cold temperatures (-4°C) I could observe several comets: 29P, 84P, 135P (not detected/near star), 141P, 398P, C/2019 L3, C/2020 N1, C/2021 A2. A high resolution spectrum was also obtained for several Be stars: V695 Mon, Pleione, Electra, HD 47054, 10 Cas, 69 Ori.