docs: def colRowIsOnFgsPixel(self, col, row, padding=-50):
          """Is col row on a science pixel?
  
          #See Kepler Flight Segment User's Manual (SP0039-702) \S 5.4 (p88)
  
          Inputs:
          col, row (floats or ints)
          padding    If padding <0, pixel must be on silicon and this many
                     pixels away from the edge of the CCD to return True
  
          Returns:
          boolean
          """
          if col < 12. - padding  or col > 547 + padding:
              return False
  
          if row < 0 - padding or row > 527 + padding :
              return False
          return True