===== Shutdown =====

==== Hand Off to Another Observer ====

If you are remote observing and someone else is taking over:

  - Contact the next observers to verify they are ready to observe. 
  - Save the observing log.
  - Verify the new observers have control of the telescope and the transition went smoothly.
  - Disconnect from the vnc desktops.

==== After observing ====

  - Close the shutter, stow the telescope, etc., following these [[cso:observing:operating#after_observing|instructions]].
    * When remote observing, close the shutter before sunrise.
  - Stop the secondary wobbler.
    * In the UIP xterm, \\ ''__uip__> **secondary /stop**''
  - Stop the slicer: ''ctrl-C'', then exit IDL.
  - Stop data acquisition. In the //Z-spec// desktop, in the wakea xterm, \\ ''wakea$ ** zspec_shutdown**''
  - Start a new fridge cycle.
  - Stow the telescope, \\ ''__UIP__> **stow**'' 
    * If necessary, idle the telescope \\ ''__UIP__> **idle**'' 
  - Disconnect from the vnc desktops. 
  - At the telescope, follow the [[cso:observing:operating#after_observing|instructions]] and leave the computers ready and the control room tidy for the next observers.