spectroscopic and comet observations on 13 aug.

After the clouds had disappeared, I could start with observations. A few comets were observed + an object that might be a comet and is listed on the PCCP of minorplanetcenter. This object could be detected and later assigned as comet C/2021 P4 (ATLAS) on aug. 21 . comets which are observed are: C/2017 K2, C/2019 U5, C/2020 PV6 and C/2021 E3. Spectra were recorded from nova Cas 2021, nova RS Oph, KY And and EW Lac.