during this clear night (during twilight) i could observe some comets: 6P, C/2017 K2, C/2019 K7, C/2020 H6, C/2020 T2, C/2020 V2, C2021 A1. With the C11 + LHiResIII spectrograph, i could took spectra of gam Cas for H-alpha detail @ 6562.8 Å en gam Cas for HeI detail @ 6782 Å