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Celestron's works by you building a model so it has some idea of you alignment error. You goto a star in its catalog not too far south (north for those on the wrong side of the equator) and not too close to the meridian. Then use the polar adjustment in the Align menu. It slews the scope to where the star should be and you adjust the mount (ie not using the handpiece) to centre the star.
You then rebuild the model, and can repeat the process if you like.
I was never happy with my CG5 for photography, but this works fine for visual. I bought a G11.
A CGEM works better than the CG5. A CGEPro better still.
Andrew
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