MDM Observatory 2.4m Telescope Observing Report for 2025 Mar 20 Observer(s): Eva, Madeline, Salma Institution(s): Columbia University Instrument: OSMOS Worked for 8 hours (most of the 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: Tonight we observed a supernova imposter near the galaxy NGC3432. We took spectral data of the galaxy and the nova . It was very interesting to see how the emission lines differed at different parts of the galaxy and nova . ------------------------------ Submitted on 2025 Mar 21 [3:47:29]