comet and spectroscopic observations on 4 nov.

After the clouds cleared, it became a clear night, but after midnight fog came up and I stopped the observations. comets that were observed: 11P, 29P, 156P, 215P, 244P (not found), 257P, 398P, A/2019 U5, C/2017 B3, C/2017 K2, C/2019 T3, C/2018 U1, C/2019 K7, C/2019 L3, C/2019 O3, C/2019 U6 (not found), C/2020 K1, C/2020 M3, C/2020 M5, C/2020 N1, . SQM during observations was 18.75 at start and 18.1 at the end of the observations – moonphase = 0.84. High-resolution spectroscopic observations of several stars are made with C11 + LHiRess (R=15000): gam Cas (HeI @ 6678Å), gam Cas (H-alpha), V357 Lac, 11 Cam, HD 21641, BK Cam, 7 Vul.

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