Created attachment 153136 [details] Observatory panel SUMMARY *** NOTE: If you are reporting a crash, please try to attach a backtrace with debug symbols. See https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports *** STEPS TO REPRODUCE 1. What is the function of the graph on the right of the Observatory panel ? 2. The buttons Slaving / Park and Slaving / Unpark are always greyed 3. I open/close the dome shutters manually : there is no button for that . Thus KStars gives repeatedly shutter errors OBSERVED RESULT EXPECTED RESULT SOFTWARE/OS VERSIONS Windows: macOS: 11.7 Linux/KDE Plasma: (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION