Fits cubes and mask files used for HCNH+ in NGC 253

ngc253-hcnhp21-cut.fits   HCNH+ (2-1) data cube 

ngc253-hcnhp32-cut.fits   HCNH+ (3-2) data cube 

ngc253-hcnhp43-cut.fits   HCNH+ (4-3) data cube 

ngc253-hcnhp54-cut.fits   HCNH+ (5-4) data cube 

ngc253-hcnhp21-mask.fits  Trimmed HCNH+ (2-1) data cube 

ngc253-hcnhp32-mask.fits  Trimmed HCNH+ (3-2) data cube 

ngc253-hcnhp43-mask.fits  Trimmed HCNH+ (4-3) data cube 

ngc253-hcnhp54-mask.fits  Trimmed HCNH+ (5-4) data cube 

mask21.npy                           NumPy .npy format mask for HCNH+ (2-1)

mask21_exp317_rpj32.fits   FITS format mask for HCNH+ (3-2)

mask21_exp317_rpj43_remove.fits  FITS format mask for HCNH+ (4-3)

mask21_exp317_rpj54.fits    FITS format mask for HCNH+ (5-4)