a nice clear evening! after taking new skyflats with the Orion Optics AG 16 Newton telescope, I started observing some comets: 29P, 156P, 141P , C/2019 L3, P/2020 U2, C/2021 A2, C/2021 A4. With the C11 + LHiResIII spectrograph i could obtain spectra of following stars: zet Tau, V1165 Tau, HD 22780, HD20017, 6 Cep.