spectroscopic observations on 17 jan. 2023
the sky has low transparencies, but still managed to record 2 spectra. Spectra were obtained from the following Be stars: zeta Tau and HD 22780
the sky has low transparencies, but still managed to record 2 spectra. Spectra were obtained from the following Be stars: zeta Tau and HD 22780
New comets where observed on 12 dec. and 26 dec. 2022 with my 0.4-m f/3.8 telescope, while these are still mentioned on the PCCP of the MPC. these objects where assigned as comet C/2022 W2 … Read more
during a short period of clear sky, i could obtain spectra of Be-stars: PZ Gem, lam Eri.