On Mon, Nov 22, 2021 at 07:27 PM, Robert Benward wrote:

Rotate your RA axis to the vertical and you're all set.  Or get a Dob.  

The Skywatcher AZ-EQ6 Pro (and some other mounts) has this capability.  Essentially, you crank the altitude screw until the RA axis goes vertical.  But it doesn't use OnStep, does it?