WCS warning related to OBSGEO-[XYZ]
What's causing this warning?
WARNING: FITSFixedWarning: 'obsfix' made the change 'Set OBSGEO-L to 28.301797 from OBSGEO-[XYZ].
Set OBSGEO-B to -16.510724 from OBSGEO-[XYZ].
Set OBSGEO-H to 2386.998 from OBSGEO-[XYZ]'. [astropy.wcs.wcs]
WARNING: FITSFixedWarning: 'obsfix' made the change 'Set OBSGEO-L to 28.301797 from OBSGEO-[XYZ].
Set OBSGEO-B to -16.510724 from OBSGEO-[XYZ].
Set OBSGEO-H to 2386.998 from OBSGEO-[XYZ]'. [astropy.wcs.wcs]