Move the telescope to its park position, stop all motion (or restrict to a small safe range), and set AtPark
ASCOM.DriverAccess (in ASCOM.DriverAccess.dll) Version: 18.104.22.168 (22.214.171.12439)
Raises an error if there is a problem communicating with the telescope or if parking fails.
Parking should put the telescope into a state where its pointing accuracy
will not be lost if it is power-cycled (without moving it).
Some telescopes must be power-cycled before unparking.
Others may be unparked by simply calling the Unpark
Calling this with AtPark
= True does nothing (harmless)