comet and spectroscopic observations on 14 sept.

Observation conditions are not so good, there are regularly high clouds, just after midnight I had to interrupt the observations because of too much cloud cover. According to the comets, I have been able to observe: 257P, C/2017 Y2, C/2018 N2, C/2018 U1, C/2019 K7, C/2019 U6. At the same time, I was able to record some spectra with the C11 and LHIRESIII spectrograph: gam Cas for HeI emission @ 6678 Å, V442 And (H-alpha detail) , ALFIRK (H-alpha detail)

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Vivaldi