MDM Trouble Report for 2025 Jan 31 Telescope: 1.3m Observer(s): Donghoon Son (SNU) Instrument: Templeton Problem(s) Encountered: Guider focus issue occurred since ~19:30. Can't focus any more than the doughnut-shaped out-of-focus state in the direction of focus 'IN'. ------------------------------ Submitted on 2025 Feb 1 [6:54:14]