telescope: Omicron diametre 1m04 spectro:LHIRES3 camer:ATIK Those data are acquired during the pratical phase of an astronomy, cours delivred by the cote d Azur university /Nice/France http://www.oca.eu/fr/duao-oca using telescope Omicron,Aperture diameter 1.04m and camera QSI exposure 5s The sky was not perfectly clear, there were a few light clouds at the night of Junuary13,2023
