Okay that would be really helpful, thanks! I’ve uploaded them to a git repo here:

  
      
      GitHub
  
  
    

SpaceMeerkat/Alderaan 5

Alderaan - Spectral Analysis Task


  
  
    
    
  
  


and added the FITS file to Archive if that’s easier.
Ah, it works if I use getdata() rather than get_data(), so you were right. Although interestingly I have to multiply the output of using getdata() by 1 to make the image not throw up warnings.