a very clear an transparant sky invited me to observe comets and spectroscopic observations of Be-stars as well.  comets which are observed are: 68P/KLEMOLA, 149P/MUELLER, C/2010 U3 (BOATTINI), C/2016 R2 (PANSTARRS), C/2017 K2 (PANSTARRS), C/2018 U1 (LEMMON), C/2019 F1 (ATLAS-AFRICANO). Spectroscopic observations of Be-stars are:  Sheliak, Alfirk, nu Cyg, HD 206773, HD 203374.