comet and spectroscopic observations on 18 oct.
weatherconditions are a clear night but with low transparancy, SQM in zenit was about 19.0. comet that could be observed with the 0.4-m f/3.8 corrected newton (OO AG16) are: 22P, 61P, C/2020 F5, C/2020 H6, … Read more