MDM Trouble Report for 2024 Mar 27 Telescope: 1.3m Observer(s): Huiyang Mao, Mingxuan Xu (Purple Mountain Observatory) Instrument: CCDS Problem(s) Encountered: The guide star and slit viewer TigerVNC closed unexpectedly. But Eric helped us restart that and it made no effect on our observation. ------------------------------ Submitted on 2024 Mar 28 [5:44:12]