comet and spectroscopic observations on 22 march
again a clear and cold night (minus 3 degrees) i could observe several comets: 78P/, 88P, 114P, 124P, 155P, 246P, C/2010 U3, C2017 T2, C/2019 N1, C/2019 Y4, C/2020 A2, P/2019 Y2 (not detected). I … Read more