\datatype = fitshdr
| cntr |      ra     |     dec     |      cra     |     cdec     |naxis1|naxis2| ctype1 | ctype2 |     crpix1    |     crpix2    |    crval1   |    crval2   |      cdelt1       |       cdelt2      |   crota2    |equinox | naxis|naxis3|                crval3|                cdelt3|                crpix3|naxis4|                crval4|                cdelt4|                crpix4|    size    | hdu  | fname                 |
| int  |    double   |    double   |      char    |    char      | int  | int  |  char  |  char  |     double    |     double    |    double   |    double   |       double      |       double      |   double    | double |   int|   int|                double|                double|                double|   int|                double|                double|                double|     int    | int  | char                  |
     88   275.3085676   -16.2765004 18h 21m 14.06s -16d 16m 35.4s     76    823 RA---TAN DEC--TAN       426.00000       789.50000   275.1962900   -16.1715300   -2.7777800000e-04    2.7777800000e-04     0.0000000  2000.00      2                                                                                                                                                               504000      0 diff.000001.000006.fits 
     65   275.1845703   -16.2766685 18h 20m 44.30s -16d 16m 36.0s     77    822 RA---TAN DEC--TAN        -2.00000       789.50000   275.1962900   -16.1715300   -2.7777800000e-04    2.7777800000e-04     0.0000000  2000.00      2                                                                                                                                                               509760      0 diff.000001.000011.fits