MDM Observatory 2.4m Telescope Observing Report for 2021 Oct 15 Observer(s): Aylin Garcia Soto, Keighley Rockcliffe Institution(s): Dartmouth College Instrument: OSMOS Worked for 12 hours (all night) Conditions were Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Clear, Winds Calm Mid: Clear, Winds Calm End: Clear, Winds Calm Observing Summary: There seems to be a few dark lines in the flats and the in spectra. Professor Thorstensen mentioned it could be dust on the slit (it's not visible in the direct skyflats). Aside from that, it was a good night. ------------------------------ Submitted on 2021 Oct 16 [5:46:15]