comet and spectroscopic observations on 4 may

this evening i could observe 2 comet: C/2019 Y1 and C/2017 T2. Also i could obtain spectra of 2 Be-stars: kap Dra, 53 Bootes . Also we could as team of the workgroup spectroscopy , observe with the S9 observatory of Univ. Ghent to obtain spectra with a eshel spectrograph.

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