Gene, I am not running a stable version in either case, that is why I keep many versions to allow me to keep working when things fail. So, the version is whatever was available from the repository at the date of the build. I have also noticed that a new Option has appeared under StellarSolver Options - Automatic and Manual rotator control. This was selected even though I did not do it and even though I have no rotator, and I have now deselected it to see if it has any impact. PaulRead More...