comet and spectroscopic observations on 29 july

during this clear night (SQM – zenit here about 19.25) i observed comets with the 0.4-m f/3.8 corrected newton: 29P, 68P, 260P, 114P (not detected), A/2019 K6 (not detected), C/2016 R2, C/2017 E3 (not detected), C/2017 K2, C/2018 N2C/2018 U1, C/2018 W2, C/2019 D1, C/2019 J3 (not detected), C/2019 K4, C/2019 K8, C/2019 L3, C/2019 M3, C/2019 N1.  With the C11 and LHiResIII spectrograph (with grating 2400 l/mm) several be-stars are observed: 31 Aqr, pi Aqr, Alfirk, 1730 Vul, 58 nu-Cyg, 31 Peg