Gustav, This topic is specific to the OnStep telescope controller, and affects far more than just the meridian flip. For the meridian flip with OnStep, it is a frequently asked question, so we added it to the FAQ page on OnStep's Wiki. onstep.groups.io/g/main/wiki/7118 I see that your mount is an iOptron. No idea if any (or all) of that applies to iOptron or not.Read More...