SIMPLE  =                    T  / FITS STANDARD                                 BITPIX  =                  -32  / FITS BITS/PIXEL (FLOATING POINT)              NAXIS   =                    2  / NUMBER OF AXES                                NAXIS1  =                  893  / X AXIS NO. PIX                                NAXIS2  =                  893  / Y AXIS NO. PIX                                BLANK   =           0.00000000  / ARRAY NULL VALUE (NATURAL 0.0 SET TO 1.E-10)  HISTORY Created by tiftofits version 1 on 2005-10-20 at 18:57:40                HISTORY 1-3 pixel sized dust and emulsion pits removed by Laplacian filter      HISTORY Derived from above by CAFITIMAGE on 2006-09-14 at 19:54:56              HISTORY Image:  Vignetting function;  (FVAL/CANCAK)/VIGMX  where:               HISTORY         FVAL is the evaluated image fit,                                HISTORY         CANCAK is the limb darkening function,                          HISTORY         VIGMX is the maximum of FVAL/CANCAK .                           HISTORY Background:  Off-image area is H & D'ed original data.                  BSCALE  =            1.0000000  / REAL = DATA*BSCALE + BZERO                    BZERO   =            0.0000000  /                                               BUNIT   = 'INTENSITY'           / ARBITRARY UNITS                               ORIGIN  = 'MT. WILSON'          /                                               TELESCOP= '60 FT'               /                                               OBJECT  = 'SUN'                 /                                               DATA-TYP= 'CA SPECTROHELIOGRM'  /                                               DATE-OBS= '1965-11-04'          / YEAR-MO-DA                                    TAVG-UT =           17.2166672  / AVERAGE TIME, U.T.                            LAMBDA  =         3933.6818848  / WAVELENGTH (ANGSTROMS)                        OBS_B0  =             3.962929  / SUN TILT                                      OBS_CR  =            1500.5959  / CARRINGTON ROTATION                           OBS_L0  =             145.4765  / LONGITUDE OF THE CENTRAL MERIDIAN             XSCALE  =              2.81045  / ARCSEC PER X PIXEL                            YSCALE  =              2.81045  / ARCSEC PER Y PIXEL                            SCALPIX1=  Infinity             / X PIXELS PER INCH                             SCALPIX2=  Infinity             / Y PIXELS PER INCH                             CRPIX1  =          400.4960632  / Ref point1.                                   CRPIX2  =          415.4158630  / Ref point2.                                   CDELT1  =           0.00290384  / Solar Scale Axis 1.                           CDELT2  =           0.00285955  / Solar Scale Axis 2.                           RX-RY   =          -5.33333349  / Radius x minus Radius y.                      GRADXP  =         624.31188965  / Average Slope X plus.                         GRADXM  =         591.90673828  / Average Slope X minus.                        GRADYP  =         275.69146729  / Average Slope Y plus.                         GRADYM  =         240.03955078  / Average Slope Y minus.                        SCSLOPXP=          90.50000000  / Scattered Light Slope X plus.                 SCSLOPXM=          35.81250000  / Scattered Light Slope X minus.                SCSLOPYP=          81.75000000  / Scattered Light Slope Y plus.                 SCSLOPYM=          49.00000000  / Scattered Light Slope Y minus.                YEAR    =                 1965  / Year                                          MONTH   =                   11  / Month                                         DAY     =                    4  / Day                                           IMAGE_NO=                    8  / Image_No                                      SCANID  =         '20050926-4'  / ScanId                                        PLATE_NO=              'CB909'  / plate_no                                      PLTYPECD=                    3  / PlateTypeCode                                 OBSTYPE =              'K2-NS'  / ObsType                                       TIME    =            '9:13:00'  / time                                          IMAGQUAL=                    2  / Image_Qual                                    LGBOOKPG=        '651031_1111'  / Logbook_Page                                  CORANGLE=                129.6  / Correction_angle                              LGCOMMNT=                'NIL'  / LogComments                                   TGCOMMNT=                'NIL'  / TagComments                                   EXTRES  =                    1  / ExtRes                                        EXTQUAL =   0.9945466514489313  / ExtQual                                       FILENAME= 'K19651104-08-20050926-4'/ FileName                                   IMAGWDTH=                 3757  / ImageWidth                                    IMAGLNGT=                 3757  / ImageLength                                   EXSUBSAM=                    1  / ExtSubSample                                  SCRESUNI=                    2  / ScanResUnit                                   SCANXRES=    849.9019165039062  / ScanXres                                      SCANYRES=    849.9562377929688  / ScanYres                                      POSINSCN=                    4  / PosInScan                                     HORPOSNM=                    2  / HorPosNum                                     HORPOS  =                  'B'  / HorPos                                        PLXOFFST=                    0  / PlateXoffset                                  PLYOFFST=                11729  / PlateYoffset                                  IMXOFFST=                 4576  / ImageXoffset                                  IMYOFFST=                10698  / ImageYoffset                                  BACKGRND=   0.7955332629596336  / Bgmean                                        BKGSTDEV=   0.1451162799424872  / Bgstddev                                      LGDTDATE= '10/13/2005 10:45:01'/ LogDataEntryDate                               LGSERIAL=                  NIL  / LogSerial                                     TGDTDATE=  '9/29/2005 9:50:06'  / TagDataEntryDate                              TGSERIAL=                12620  / TagSerial                                     EXFILLOC=          '/1965/11/'  / ExtFileLoc                                    SCFILLOC=       '/2005/09/26/'  / ScanFileLoc                                   SCFRAME =                    3  / ScanFrame                                     EXTDATE = 'Wed Oct 19 21:57:04 2005'/ ExtDate                                   SERIAL  =                  458  / Serial                                        NPIXDUST=                47497  / Number of dust and pit pixels replaced.       RADIUS_X=               344.37  / X-direction Radius                            RADIUS_Y=               349.71  / Y-direction Radius                            AVE_INTS=        24085.3964844  / Average Intensity Value                       AVE_IRMS=          265.5857544  / Ave. RMS Intensity Variation over 5x5 Arrays  SUNEAR_F=            1.0082877  / Sun-Earth Distance Factor                     RADSCORE=                    1  / Radius Solution Demerits, < 6 is good         COMMENT Minimum and maximum allowed fit values:                                 DRKMN_1 =             3939.639  / MINIMUM VALUE FOR OFF-IMAGE SIDES.            DRKMX_1 =             5349.510  / MAXIMUM VALUE FOR OFF-IMAGE SIDES.            DRKMN_2 =             3979.635  / MINIMUM VALUE FOR OFF-IMAGE TOP & BOTTOM.     DRKMX_2 =             8059.262  / MAXIMUM VALUE FOR OFF-IMAGE TOP & BOTTOM.     DRKMN_3 =            -2462.412  / MINIMUM VALUE FOR IMAGE.                      DRKMX_3 =             1681.807  / MAXIMUM VALUE FOR IMAGE.                      HISTORY Fitting function for the off-image area or the image.                   HISTORY C1 - C15 are fit coefficients, R is the center-to                       HISTORY limb angle at point for the image fit;  for the background,             HISTORY R is the radius at point.  A is the angle-around-the-image,             HISTORY starting at (CRPIX1+min(RADIUS_X,RADIUS_Y),CRPIX2).                     HISTORY V is the evaluated fit value.                                           HISTORY V = C1 + C2*R**2 + C3*R**3 + C4*SIN(A)*R + C5*COS(A)*R +                HISTORY C6*SIN(A)*R**2 + C7*COS(A)*R**2 + C8*SIN(A)*R**3 +                      HISTORY C9*COS(A)*R**3 + C10*SIN(2A)*R**2 + C11*COS(2A)*R**2 +                  HISTORY C12*SIN(2A)*R**3 + C13*COS(2A)*R**3 + C14*SIN(3A)*R**3 +                HISTORY C15*COS(3A)*R**3                                                        COMMENT Background fit coefficients:                                            COFB_01 = 0.38866681356616E+01  / Background                                    COFB_02 =-0.34516504937218E-04  / Background                                    COFB_03 = 0.43138089363431E-07  / Background                                    COFB_04 = 0.21113699278182E-02  / Background                                    COFB_05 =-0.82142793351730E-02  / Background                                    COFB_06 =-0.69105392757810E-05  / Background                                    COFB_07 = 0.39256566805791E-04  / Background                                    COFB_08 = 0.45162893504958E-08  / Background                                    COFB_09 =-0.45266996200149E-07  / Background                                    COFB_10 =-0.12961481783512E-05  / Background                                    COFB_11 =-0.21573157269812E-04  / Background                                    COFB_12 = 0.32263579414862E-08  / Background                                    COFB_13 = 0.44880988944994E-07  / Background                                    COFB_14 =-0.11421689260690E-09  / Background                                    COFB_15 = 0.45967632482738E-09  / Background                                    COMMENT Image fit coefficients:                                                 COFA_01 = 0.97713553641505E+01  / Image                                         COFA_02 =-0.33706896822810E+01  / Image                                         COFA_03 = 0.25437324095679E+00  / Image                                         COFA_04 =-0.17299750026004E+00  / Image                                         COFA_05 = 0.15161651266758E+01  / Image                                         COFA_06 = 0.33877922619169E+01  / Image                                         COFA_07 =-0.11073910493002E+01  / Image                                         COFA_08 =-0.20682052611737E+01  / Image                                         COFA_09 = 0.16553615935339E+00  / Image                                         COFA_10 =-0.50705341770919E+00  / Image                                         COFA_11 = 0.11848305368433E+01  / Image                                         COFA_12 = 0.13263621771287E+00  / Image                                         COFA_13 =-0.10637180380468E+01  / Image                                         COFA_14 = 0.97680065065910E-01  / Image                                         COFA_15 =-0.38294357685373E-01  / Image                                         COMMENT Canonical limb darkening coefficients:                                  COMMENT V = 1.0 - 0.2187436*X - 0.2759476*X**2 - 0.4847618*X**10                CANCAK_1=                  1.0  / X = 1. - COS(RHO)                             CANCAK_2=            0.2187436  / RHO=Center-to-limb angle                      CANCAK_3=            0.2759476  /                                               CANCAK_4=            0.4847618  /                                               HISTORY  Linearized according to the characteristic stepwedge curve,            COMMENT  V is the linearized intensity:                                         COMMENT  TIN = input scanner value, higher value = more light                   COMMENT  TINL = TIN/(32767. - TIN)                                              COMMENT  TBIA = ABS(TINL - YMIN)                                                COMMENT  V = (TBIA/ALPHA)**(1./GAMMA)                                           COMMENT  If TINL-YMIN is negative, V = -V                                       ALPHA   =           0.03965200  / H & D calibration parameter                   GAMMA   =           1.74125099  / H & D calibration parameter                   YMIN    =           0.13797548  / H & D calibration parameter                   END