*make sure the ground wire is connected:
    * first to the mirror cell and 
    * then to the camera
  *insert the nozzle into the dewar, and attach it using the bungee cord
  *opening the valve, start filling the camera's dewar with LN2; if using remotely controllable valve follow [[VATT:Jinvoo LN2 valve|instructions in a separate document]]
  *fill out LN2/camera log – listen for full dewar 
  *cease flow when dewar is full
  *disconnect LN2 filler hose from camera dewar, move storage dewar off of telescope platform and south, to dome silo wall)
  *remove camera ground wire and clip it on silo, near storage dewar