comet and spectroscopic observations on 30 july

During this warm evening and very clear night with good transparancy but disturbing moon, i could obtain observations of a lot of comets: 29P (in outburst), 115P, C/2017 B3, C/2017 K2, C/2017 Y2, C/2018 N2, C/2019 K7, C/2019 T2, C/2019 T3, C/2019 U6, C/2020 F3, C/2020 K3, C/2020 K8, C/2020 M5, P/2019 LD2. With the C11 and LHiResIII , i could obtain 3 high resolution spectra of gam Cas, HD 4180, QR Vul.