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Table 1 shows the header of the I133B2H0 image, the co-added (all HCONs) intensity map centered at RA = 4h 12m, DEC = -20d 00m for the 25 micron band.

 

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