anchor.diff:  GASS48604,3,B,C,
   GASS17865,2,B,"C,S",Embedded object
   GASS111067,1,O,-,Clumpy
  -GASS29892,2,B,"C,B",Bright nearby source
  +GASS29892,2,B,"C,B",Bright nearby object
   GASS111030,3,B,"C,S",
   GASS29871,2,B,C,
   GASS48974,1,O,"C,D","Interacting, Tidal"
  
positive.code: GASS112078,2,B,"C,S",Clumpy
  GASS18421,3,O,C,
  GASS18279,1,O,"C,S",
  GASS24094,2,B,"C,S,B",Bright nearby source
  GASS24757,2,B,C,Diffuse spiral arms
  GASS18422,2,O,C,
  GASS30338,2,B,"C,D",Edge on
  
negative.code: GASS28143,3,O,"C,S",Diffuse spiral arms
  GASS112038,2,B,"C,D",Offset bulge
  GASS30471,2,B,"C,S",Large galaxy
  GASS112051,1,G,"C,B",Bright nearby object
  GASS112109,2,B,"C,S,I",Large galaxy
  GASS24366,2,B,"C,S",Embedded source
  GASS24436,2,B,"C,S",Embedded source
  GASS24437,1,O,"C,D",Edge on
  GASS12983,2,B,"C,B",Bright nearby object
  GASS28168,1,O,"C,S",Diffuse spiral arms
  GASS112053,2,B,"C,S,I","Large galaxy, Diffuse spiral arms, Embedded object"
  GASS50550,2,B,C,
  