Hi Wolfgang, Sorry my English is not so good I will try to explain the situation in a few words. 1; The Meridian Flip always works when I only use GOTO, which I tested several times a day and night. 2; The Meridian Flip never works, when I use the Align option with the solver. 3; Except this night he did the Meridian Flip correctly, the only difference to all tests before that all logs were turned off. MatthiasRead More...