Page Comparison

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Each file has 5 different filter numbers that are stored both in the header and in the file name.  Below are examples of the filters; all these images are within the same few minutes

• Filter 0:   no filter
  
  
  
• Filter 1:
  
  
  
• Filter 2
  
  
  
• Filter 3
  
  
  
• Filter 4
  

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