MDM Trouble Report for 2017 Mar 19 Telescope: 2.4m Observer(s): Donghoon Son (SNU) Instrument: OSMOS Problem(s) Encountered: From about 4am, CCD readout was abnormal. (showing pixel value=0 at the 4th quadrant or stripes in the x-axis.) eg. sample : 170319.0104~0114.fits Auto dome also stopped from ~ 4 30 am. I tried HE box power recycled, restarted prospero. But these issue still remain. I stopped and close dome at 5:30 am. ------------------------------ Submitted on 2017 Mar 20 [5:38:53]