HDU 1:
  WCS key ' ':
    - RADECSYS= 'ICRS ' / Astrometric system
      the RADECSYS keyword is deprecated, use RADESYSa.
    - The WCS transformation has more axes (2) than the image it is
      associated with (0)
    - Removed redundant SCAMP distortion parameters because SIP
      parameters are also present
    - 'datfix' made the change 'Set MJD-OBS to 55007.362083 from DATE-
      OBS'.

HDU 2:
  WCS key ' ':
    - The WCS transformation has more axes (3) than the image it is
      associated with (0)
    - 'datfix' made the change 'Success'.
    - 'unitfix' made the change 'Changed units:
        'HZ' -> 'Hz'.
    - 'celfix' made the change 'In CUNIT3 : Mismatched units type
      'length': have 'Hz', want 'm''.
