Tony, how is the polar alignment? This can cause issues with the dec going crazy as can backlash. It doesn't take much breeze to move the output on the graph. I have an imaging run going at the moment and the occasional gust is moving the dec axis on an EQ6 pro with an ED120. Not enough to ruin any subs yet but I can see the movement in the graph. I am hoping it will calm down as the night progresses.
Brian
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