comet and spectroscopic observations on 19 jan. 2020
The evening a number of cloud fields were covered, a number of comets were observed with the 0.4-m f/3.8 netwon telescope: 29P, 76P, 114P, 124P, 168P (not detected), 203P, 260P, C/2017 T2, C/2018 N2, C/2019 … Read more