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SIMPLE  =                    T / file conforms to standard FITS format
BITPIX  =                   32 / 4 byte signed INTEGER numbers
NAXIS   =                    3 / number of array dimensions
NAXIS1  =                   39 / pixel number for image dimension 1
NAXIS2  =                   39 / pixel number for image dimension 2
NAXIS3  =                    1 / pixel number for image dimension 3
EXTEND  =                    T / file conforms to FITS standard extension format
BLOCKED =                    T / up to 10 FITS records may be blocked on tape
OBJECT  = 'N4631             ' /  source name
TELESCOP= 'Effelsberg        ' /
DATE-OBS=          1990.096400 / Observation date in decimal years
BSCALE  =     1.3714599845E-05 / scaling factor BSCALE and data shift BZERO :
BZERO   =          28107.97852 / original data = ( BSCALE * tape data ) + BZERO
BUNIT   = 'microJy/beam'       / Dumke et al. 1995
OBSRA   =          189.9142116 / Center of the map
OBSDEC  =          32.81499096 / Center of the map
DATAMIN =         -1314.297974 / minimum pixel value of image set
DATAMAX =          57530.25781 / maximum pixel value of image set
CTYPE1  = 'RA---ARC'           / ARC : angular distance preserved in projection
CRVAL1  =          189.9208221 /  longitude of referenz pixel
CDELT1  =    -5.5555556901E-03 / increment abszissa (degree)
CRPIX1  =          19.00000000 / x-value of referenz-pixel
CROTA1  =      0.000000000     / rotation of coordinates rel. to RA, DEC (-K0)
CTYPE2  = 'DEC--ARC'           / ARC : angular distance preserved in projection
CRVAL2  =          32.81499100 / latitude of referenz-pixel (degree)
CDELT2  =     5.5555556901E-03 / increment ordinate (degree)
CRPIX2  =          20.00000000 / y-value of  referez-pixel
CROTA2  =      0.000000000     / rotation of coordinates
CTYPE3  = 'FREQ'               /
CRVAL3  =     1.0549999616E+10 / frequency (Hz)
CDELT3  =          300000000.0 / bandwidth of observation (Hz)
CRPIX3  =          1.000000000 /
CROTA3  =      0.000000000     /
BLANK   =          -2147483647 / dummy value in empty cells
COORCODE=          11.00000000 / Coordinate code
MATRIX1 =        -0.8278577821 / 9 elements transformation matrix
MATRIX2 =         0.1722870905 / 9 elements transformation matrix
MATRIX3 =         0.5338245509 / 9 elements transformation matrix
MATRIX4 =        -0.1447943504 / 9 elements transformation matrix
MATRIX5 =        -0.9850467798 / 9 elements transformation matrix
MATRIX6 =     9.3367219300E-02 / 9 elements transformation matrix
MATRIX7 =         0.5419281214 / 9 elements transformation matrix
MATRIX8 =          0.000000000 / 9 elements transformation matrix
MATRIX9 =         0.8404248397 / 9 elements transformation matrix
INHPLONG=     1.9166666600E-02 / initial half power long.beamwidth
INHPLAT =     1.9166666600E-02 / initial half power lat. beamwidth
CUHPLONG=     1.9166666600E-02 / current half power long.beamwidth
CUHPLAT =     1.9166666600E-02 / current half power lat. beamwidth
BMAJ    =     1.9166666600E-02 / major half power long.beamwidth
BMIN    =     1.9166666600E-02 / minor half power long.beamwidth
BPA     =          0.000000000 / beam position angle, 0 or 90 for NOD2 data
EPOCH   =          1950.000000 / epoch of coordinate system
INSCALEF=          1.000000000 / initial temperature scale factor
INSCALEZ=          1.000000000 / initial temperature scale zero
CUSCALEF=         0.5000000000 / current temperature scale factor
CUSCALZ =          1.000000000 / current temperature scale zero
CODE    =          0.000000000 / progress code word
TYPE    =          2.000000000 / type number of data
OBS LAT =          50.52500153 / latitude of observatory
IDENT1  = NGC , 2.Stok, Efberg / title of map
IDENT2  =                      / title of map
IDENT3  =                      / title of map
IDENT4  =             18/ pp88 / title of map
NITER   =                    1 / number of iterations, whatever it may be
END

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