The motion of the stars…

Recently I found that the images taken for the Digitized Sky Survey around 1990 are about the same image scale as the images I take now with
my TEC-140. So I decided to make a comparison between an image from 1990 and 2013 of NGC 7331 and Stephan’s quintet. It clearly shows the stars are not static and that there is a lot of motion. I tried to show most of the stars that I could see moving….

Animation

 

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