ArnaldoLopez I wasn't aware that you do a guide calibration after the AMF. That is not necessary at all. My gear does AMF all the time and the target always gets centered very well. And guiding always is spot on too. Can you try disabling guide calibration after an AMF and see if that solves your issue?
I'll have to add that I never experienced the poor centering issues that Chen mentioned. I am not sure with what version of AAP that was, but with 1.5 an up I have never had an auto-center issue at all. Chen, maybe you can try this feature again and see if it finally works for you now too?