SV: ATM Adjusting RA Tracking Rate Question

["Nils Olof Carlin" <nilsolof.carlin@telia.com>]

Al Klayton wrote:

>I'm trying to accurately adjust the RA tracking rate on an equatorial table
>I have built by looking for East - West drift using a star near the
>celestial equator.  But to do this requires an accurate polar alignment
>since poor polar alignment shows up as East - West star drift. 

If you use a star at or near the meridian, the azimuth error in polar alignment should 
show up as a North-South drift. If you keep this low by turning the table base, the 
East-West error should reflect the error in tracking rate. 

Nils Olof