--- header unit 0: primary ---
SIMPLE = T
BITPIX = 16
NAXIS = 2
NAXIS1 = 512
NAXIS2 = 512
BLANK = -32768.0
BZERO = 32668.0
CPYRIGHT = 'See HiPS properties file'
COMMENT = 'HiPS FITS tile generated by Aladin/Hipsgen v10.017'
ORDER = 8
NPIX = 646029