Glabella after ensuring your images are in focus, if you are still getting star trails, when no wind ..then always make sure that your telescope is level, you may need to do a level calibration as well where you placed the scope itself on a known level surface both in the X and Y direction and calibrate it. In other words te The sea star internal leveller that this is what level looks like. that is not something that you should have to do very often. I’ve only done it once, but I haven’t checked it in the last eight months to see if it’s out but I should.
