Here we can see some actual pictures of star trails for a mid-northern latitude.
{"Image DocumentName": "Here we can see some actual pictures of star trails for a mid-northern latitude.", "Image ImageDescription": "The top image shows a picture of the circles around the north celestial pole and you can pick out the image of Polaris there. The bottom image has us looking toward the western horizon and you can see that when you look straight west, the star trails almost make a line there..", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}