You need to click that last step - periodic curve for PMX to generate a proper PEC. That's just the data being fitted to the graph scale. Next step is the curve that is used for sending corrections. It should look like a gentle sine wave. With Precision PEC and PEMPRO it gives you several choices for the type of algorithm used to generate the final curve. Not sure Sky X does that. Probably uses the best/usual one by default.
You need to click on pointing west or not based on where the scope was pointing when you recorded the data. Have it back to front and the resulting curve pulls when it should push.
If your PEC worsens your tracking you have it in reverse most likely. So you would change that pointing west button.
Greg
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