Nighttime Operations# Weather Constraints# Operations contraints due to weather are described in this section. Weather Constraints Scheduler# Scheduler Procedures Scheduler Operational Scripts Initializing the Scheduler CSC Scheduler Night-time Operation Additional Scheduler Operations Observatory# Observatory procedures DIMM DIMM Startup, Shutdown and Monitoring Auxiliary Telescope# Auxiliary Telescope AuxTel Preparation Prepare for On-Sky Operations Auxtel On Sky Beginning of the night: Center, absorb pointing offsets, mirror alignment and focus AuxTel Shutdown Shutdown Main Telescope# Main Telescope MainTel Preparation MainTel On Sky MainTel Shutdown