spectroscopic and comet observations on 16 aug.

The observing conditions were not good, overcast clouds disturbed the sky so that the faint comets were difficult to detect. comets that are observed are: 69 (not detected), 255P (not detected), 382P (not detected), C/2017 K2, C/2019 U5, C/2020 K1, C/2020 PV6. spectra could be obtained of V986 Oph, tet Crb, recurrent nova RS Oph, 6 Cep.