I use the internal guider sometimes, also. I got into the habit of using PHD2 when I was coming to grips with my first mount. You get a more transparent view into what the guider is doing and all of its settings with PHD2. On the other hand, PHD2 (at least with Ekos, at least for me) has an annoying habit of losing track of the profile and telling me that I need to use the wizard to make a new one. But neither guider has a substantial performance advantage.

Read More...