Scope east, counterweight least
Scope west, counterweight best
In otherwords, when the scope is on the east side of RA, let the scope side be slightly heavier (slide counterweight up a centimeter or so). When the scope is on the west side, make the counterweight side the heavier side (slide them down a little)
I had a small 500 gram stainless weight made just for this purpose. I set it so that perfect balance allows it a +/- 5 cm range. Seems to work fine.
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