Locates the telescope's "home" position (synchronous)
ASCOM.DriverAccess (in ASCOM.DriverAccess.dll) Version: 3c9121baba46811fe6e53a58a05935662261416d
Returns only after the home position has been found.
At this point the AtHome
property will be True.
Raises an error if there is a problem.
Raises an error if AtPark is true.
This is only available for telescope InterfaceVersions 2 and 3