My Celestron AVX, recently fixed with new motor, chooses Arcturus as its first alignment star. The next ones that come up include Vindemiatrix and Zosma but these are very close in the sky. Surely it should choose a second alignment star far away? But I scroll through all the stars, and for example, Vega does not come up! Yet it is the obvious other star to choose at this time of year. Also stars in Ursa Major do not come up on the list of allowed second stars. It is only when I add a calibration star that I can add any star that I like. With this trouble, I cannot get the alignment to work - if I use Arcturus and Vindemiatrix, and then ask it to go back to Arcturus again, it doesn't get it quite right. My polar align and balancing are reasonably OK.