|  | NGC 4472 Galaxy Image  
  Determine the extent of the long axis of the galaxy  as
  projected on our night sky (the galaxy located in the very center of
  the image at the left).Click on one end of the long axis of the galaxy. The window will
  display the x,y pixel coordinates you have selected.Click on the other end of the long axis of the galaxy
  (measurement may need to be a diagonal). The window will report the
  second set of x,y coordinates. Record the angular size of the galaxy as reported.If you make a mistake please click the "Try Again"
  link Use the "Back" icon to return to the galaxy selection
  page. Pixel values  
Try Again
 
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