During the night of 4/5 june, i did observations of comets: 21P, 30P (not found), 187P, C/2010 U3, C/2015 O1, C/2017 E3, C/2018 C2

Also 2 spectroscopic observations in high resolution (1800 l/mm grating with L200 spectrograph)  for H-alpha detail of Be-Stars: 28 Cygnus and cx Draconis.