MDM Observatory 2.4m Telescope Observing Report for 2018 Apr 25 Observer(s): Sheffield Institution(s): CUNY Instrument: Modspec+echelle Worked for 10 hours (all night) Conditions were Non-Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Cirrus, Winds Calm Mid: Cirrus, Winds Calm End: Cirrus, Winds Calm Observing Summary: Can't get MIS dark hatch to close...still open now. The Xe lamp is possibly dying -- there is an extraneous signal toward the red edge, which is not present when the lamp is off. ------------------------------ Submitted on 2018 Apr 26 [5:56:04]