comet and spectroscopic (Be-stars) observations during night 20/21 june 2018

During a clear night of 20/21 i did observations of some comets and observations of possible comet menioned on the PCCP (magnitude 19.7): comets which are observed are: 21PC/2015 O1, C/2016 N4, C/2017 M4, C/2018 C2.  Possible comet was found in the images and astrometry send to MPC to improve the ephemerides of this possible new comet.   With the C11 + L200 spectrograph, 3 Be-stars are observed: 48 Lib, cx Draconis   and EW Lac.