MDM Observatory 2.4m Telescope Observing Report for 2025 Apr 17 Observer(s): M. Sitaram, N. Melso Institution(s): Columbia Instrument: CHaS No Observing (see comments below) Conditions were Mixed most of the night. No equipment or software problems were encountered. Seeing and Weather: High Humidity from 12AM until 4AM. Observing Summary: The first part of the night was pretty good weather, with some high-ish winds. Did some commissioning tasks in the beginning of the night, but kept the dome closed. KPNO closed around 12AM and the humidity started climbing making it impossible to use the detector. Continued some analysis tasks until ~3:30AM. ------------------------------ Submitted on 2025 Apr 18 [4:07:14]