spectroscopic observations are obtained with the C11 and LHiResIII septrograph with 2400 l/mm grating. Stars which are observed are:  HD169033, HD 207232, omi Her.

comet observations with the 0.4-m f/3.8 newton telescoop: C/2016 R2, C/2017 K2, C/2018 U1, C/2019 N1