The sky window shows the position of the telescope and the user's catalog objects on the sky (the inner az/alt polar grid) and also the position of the azimuth axis along its wrap (the outer spiral). ... The target position of the telescope (where it will end up after the slew) is shown as a plus. ... The potential position of the telescope (the position in the Slew window ) is shown as an X. Objects in the users's catalog (those with alt>0) are shown as dots. ...