| Table 1.  Sample FITS header | 
  | SIMPLE   | 
  =                     | 
  T         | 
      | 
  / | 
  STANDARD FITS FORMAT | 
  | BITPIX   | 
  =                    | 
  16         | 
      | 
  / | 
  2-byte twos-compl int | 
  | NAXIS    | 
  =                     | 
  3         | 
      | 
  / | 
  # OF AXES | 
  | NAXIS1   | 
  = | 
  500         | 
      | 
  / | 
  # SAMPLES PER LINE | 
  | NAXIS2   | 
  = | 
  500         | 
      | 
  / | 
   # LINES IN IMAGE | 
  | NAXIS3   | 
  = | 
  1 | 
      | 
  / | 
  # WAVELENGTHS | 
  | BSCALE   | 
  = | 
  1.535204177E-03         | 
      | 
  / | 
  TRUE=TAPE*BSCALE+BZERO | 
  | BZERO    | 
  = | 
  5.309702310E+01         | 
      | 
  / | 
    | 
  | BUNIT    | 
  = | 
  'MJY/SR  '                   | 
      | 
  / | 
  INTENSITY | 
  | BLANK    | 
  = | 
  -32768         | 
      | 
  / | 
  TAPE VALUE FOR EMPTY PIXEL | 
  | CRVAL1   | 
  = | 
  6.300000000E+01         | 
      | 
  / | 
  RA AT ORIGIN (DEGREES) | 
  | CRPIX1   | 
  = | 
  2.500000000E+02         | 
      | 
  / | 
  SAMPLE AXIS ORIGIN (PIXEL) | 
  | CTYPE1   | 
  = | 
  'RA---TAN'                   | 
      | 
  / | 
  DECREASES IN VALUE AS SAMPLE | 
  |   | 
  / | 
  INDEX INCREASES (GNOMONIC) | 
  | CDELT1   | 
  = | 
  -2.500000000E-02         | 
      | 
  / | 
  COORD VALUE INCR DEG/PIXEL | 
  | 
   | / | 
  AT ORIGIN ON SAMPLE AXIS | 
  | CRVAL2   | 
  = | 
  -2.000000000E+01 | 
      | 
  / | 
  DEC AT ORIGIN (DEGREES) | 
  | CRPIX2   | 
  = | 
  2.500000000E+02  | 
      | 
  / | 
  LINE AXIS ORIGIN (PIXEL) | 
  | CTYPE2   | 
  = | 
  'DEC--TAN'                   | 
      | 
  / | 
  DECREASES IN VALUE AS LINE | 
  |   | 
  / | 
  INDEX INCREASES (GNOMONIC) | 
  | CDELT2   | 
  = | 
  2.500000000E-02         | 
      | 
  / | 
  COORD VALUE INCR DEG/PIXEL | 
  |   | 
      | 
    / | 
  AT ORIGIN ON LINE AXIS | 
  | CRVAL3   | 
  = | 
  2.500000000E-05         | 
      | 
  / | 
  WAVELENGTH IN METERS | 
  | CRPIX3   | 
  = | 
  1.000000000E+00         | 
      | 
   / | 
     | 
  | CTYPE3   | 
  = | 
  'LAMBDA  '                   | 
      | 
  / | 
    | 
  | CDELT3   | 
  = | 
  0.000000000E+00         | 
      | 
    / | 
    | 
  | DATAMAX  | 
  = | 
  1.029911589E+02         | 
      | 
  / | 
  MJY/SR (TRUE VALUE) | 
  | DATAMIN  | 
  = | 
  3.202887343E+00         | 
      | 
  / | 
  MJY/SR (TRUE VALUE) | 
  | EPOCH    | 
  = | 
  1.950000000E+03         | 
      | 
  / | 
  EME50 | 
  | DATE-MAP | 
  = | 
  '91/05/27'                   | 
      | 
  / | 
  MAP CREATION DATE(YY/MM/DD) | 
  | DATE     | 
  = | 
  '91/10/28'                   | 
      | 
  / | 
  DATE TAPE WRITTEN(YY/MM/DD) | 
  | ORIGIN   | 
  = | 
  'JPL-IPAC'                   | 
      | 
  / | 
  INSTITUTION | 
  | TELESCOP | 
  = | 
  'IRAS    '                   | 
  / | 
    | 
  | INSTRUME | 
  =  | 
  'ISSA-I  '                   | 
      | 
  / | 
  IRAS SKY SURVEY ATLAS SET I | 
  | OBJECT   | 
  = | 
  'f133h000'                   | 
      | 
  / | 
  FIELD NUMBER-HCON | 
  |   | 
  / | 
    | 
  | EDITED   | 
  = | 
  T | 
      | 
  / | 
  SCANS EDITED | 
  | APPCAL   | 
  = | 
  T | 
      | 
  / | 
  CALIBRATION CORRECTION 25 MICRON | 
  | DE-ZODY | 
  =  | 
  T | 
      | 
  / | 
  DE-ZODIED IMAGE | 
  | GLBL-D   | 
  = | 
  T | 
      | 
  / | 
  APPLIED GLOBAL PARAMETERS | 
  | LOCAL-D  | 
  = | 
  T | 
      | 
  / | 
  LOCAL DESTRIPER | 
  | ASBLANK  | 
  = | 
  T | 
      | 
  / | 
  ASTEROID BLANKING | 
  | COMMENT | 
    | 
  / | 
    | 
  | COMMENT | 
    | 
  | COMMENT | 
    | 
  | COMMENT | 
    | 
  | COMMENT | 
    | 
  | COMMENT | 
    | 
  | COMMENT | 
    | 
  | END | 
    |