...
RESTFRQ = 2.305380000000E+11
Fields same within 0.25 arcsec:
CRVAL1 = 8.228496247106E+01
CRVAL2 = 1.187020728400E+01
Fields same within 0.5%:
CRVAL3 = 2.248650462272E+11
CDELT3 = 1.810101696316E+10
CRPIX3 = 1.000000000000E+00
NAXIS3 = 1
Fields same within 5%:
BMAJ = 3.401172359470E-05
...
NAXIS2 = 1728
NAXIS3 = 1
NAXIS4 = 1
CRVAL1 = 8.228496247106E+01
CDELT1 = -7.222222217153E-06
CRPIX1 = 8.650000000000E+02CRVAL2 = 1.187020728400E+01
CDELT2 = 7.222222217153E-06
CRPIX2 = 8.650000000000E+02
CRVAL3 = 2.248650462272E+11
CDELT3 = 1.810101696316E+10
CRPIX3 = 1.000000000000E+00
May or may not be the same:
...