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 14:05:53                HISTORY 1-3 pixel sized dust and emulsion pits removed by Laplacian filter      HISTORY Derived from above by CAFITIMAGE on 2006-09-14 at 18:10:29              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= '1965-02-28'          / YEAR-MO-DA                                    TAVG-UT =           21.8166676  / AVERAGE TIME, U.T.                            LAMBDA  =         3933.6818848  / WAVELENGTH (ANGSTROMS)                        OBS_B0  =            -7.220524  / SUN TILT                                      OBS_CR  =            1491.4653  / CARRINGTON ROTATION                           OBS_L0  =             192.4714  / LONGITUDE OF THE CENTRAL MERIDIAN             XSCALE  =              2.81165  / ARCSEC PER X PIXEL                            YSCALE  =              2.81165  / ARCSEC PER Y PIXEL                            SCALPIX1=  Infinity             / X PIXELS PER INCH                             SCALPIX2=  Infinity             / Y PIXELS PER INCH                             CRPIX1  =          415.7715759  / Ref point1.                                   CRPIX2  =          472.4189453  / Ref point2.                                   CDELT1  =           0.00290327  / Solar Scale Axis 1.                           CDELT2  =           0.00287269  / Solar Scale Axis 2.                           RX-RY   =          -3.66666675  / Radius x minus Radius y.                      GRADXP  =         613.70898438  / Average Slope X plus.                         GRADXM  =         467.23077393  / Average Slope X minus.                        GRADYP  =         513.93792725  / Average Slope Y plus.                         GRADYM  =         465.15396118  / Average Slope Y minus.                        SCSLOPXP=          75.43750000  / Scattered Light Slope X plus.                 SCSLOPXM=          82.12500000  / Scattered Light Slope X minus.                SCSLOPYP=         116.43750000  / Scattered Light Slope Y plus.                 SCSLOPYM=         102.75000000  / Scattered Light Slope Y minus.                YEAR    =                 1965  / Year                                          MONTH   =                    2  / Month                                         DAY     =                   28  / Day                                           IMAGE_NO=                   48  / Image_No                                      SCANID  =         '20050930-2'  / ScanId                                        PLATE_NO=              'CB709'  / plate_no                                      PLTYPECD=                    3  / PlateTypeCode                                 OBSTYPE =              'K2-SN'  / ObsType                                       TIME    =           '13:49:00'  / time                                          IMAGQUAL=                    3  / Image_Qual                                    LGBOOKPG=        '650219_0303'  / Logbook_Page                                  CORANGLE=                 53.1  / Correction_angle                              LGCOMMNT=                'NIL'  / LogComments                                   TGCOMMNT=                'NIL'  / TagComments                                   EXTRES  =                    1  / ExtRes                                        EXTQUAL =    0.994648221689328  / ExtQual                                       FILENAME= 'K19650228-48-20050930-2'/ FileName                                   IMAGWDTH=                 3757  / ImageWidth                                    IMAGLNGT=                 3757  / ImageLength                                   EXSUBSAM=                    1  / ExtSubSample                                  SCRESUNI=                    2  / ScanResUnit                                   SCANXRES=      849.69677734375  / ScanXres                                      SCANYRES=      849.98779296875  / ScanYres                                      POSINSCN=                    1  / PosInScan                                     HORPOSNM=                    2  / HorPosNum                                     HORPOS  =                  'B'  / HorPos                                        PLXOFFST=                    0  / PlateXoffset                                  PLYOFFST=                    0  / PlateYoffset                                  IMXOFFST=                 4483  / ImageXoffset                                  IMYOFFST=                  -43  / ImageYoffset                                  BACKGRND=   0.8668226138704491  / Bgmean                                        BKGSTDEV=   0.1170997756704824  / Bgstddev                                      LGDTDATE= '10/13/2005 10:45:01'/ LogDataEntryDate                               LGSERIAL=                  NIL  / LogSerial                                     TGDTDATE= '10/12/2005 12:50:00'/ TagDataEntryDate                               TGSERIAL=                12754  / TagSerial                                     EXFILLOC=           '/1965/2/'  / ExtFileLoc                                    SCFILLOC=       '/2005/09/30/'  / ScanFileLoc                                   SCFRAME =                    3  / ScanFrame                                     EXTDATE = 'Wed Oct 19 14:16:39 2005'/ ExtDate                                   SERIAL  =                  109  / Serial                                        NPIXDUST=                72723  / Number of dust and pit pixels replaced.       RADIUS_X=               344.44  / X-direction Radius                            RADIUS_Y=               348.11  / Y-direction Radius                            AVE_INTS=        26784.4804688  / Average Intensity Value                       AVE_IRMS=          221.2169800  / Ave. RMS Intensity Variation over 5x5 Arrays  SUNEAR_F=            1.0089239  / Sun-Earth Distance Factor                     RADSCORE=                    1  / Radius Solution Demerits, < 6 is good         COMMENT Minimum and maximum allowed fit values:                                 DRKMN_1 =             2209.798  / MINIMUM VALUE FOR OFF-IMAGE SIDES.            DRKMX_1 =             3639.667  / MAXIMUM VALUE FOR OFF-IMAGE SIDES.            DRKMN_2 =             2209.798  / MINIMUM VALUE FOR OFF-IMAGE TOP & BOTTOM.     DRKMX_2 =             8359.234  / MAXIMUM VALUE FOR OFF-IMAGE TOP & BOTTOM.     DRKMN_3 =            -2183.386  / MINIMUM VALUE FOR IMAGE.                      DRKMX_3 =             1450.287  / 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 = 0.72538480348495E+01  / Background                                    COFB_02 =-0.73353847931304E-04  / Background                                    COFB_03 = 0.91993007652863E-07  / Background                                    COFB_04 = 0.10592957052795E-02  / Background                                    COFB_05 =-0.61983568992827E-02  / Background                                    COFB_06 =-0.20812007421537E-05  / Background                                    COFB_07 = 0.29166515218628E-04  / Background                                    COFB_08 =-0.17437943659800E-08  / Background                                    COFB_09 =-0.35021024461924E-07  / Background                                    COFB_10 = 0.19059147816277E-05  / Background                                    COFB_11 =-0.41341476204042E-04  / Background                                    COFB_12 =-0.30792964424546E-08  / Background                                    COFB_13 = 0.86569296016921E-07  / Background                                    COFB_14 = 0.14471332879439E-08  / Background                                    COFB_15 =-0.41333662608422E-10  / Background                                    COMMENT Image fit coefficients:                                                 COFA_01 = 0.15438600853047E+02  / Image                                         COFA_02 =-0.76813896377863E+01  / Image                                         COFA_03 = 0.20814949924104E+01  / Image                                         COFA_04 = 0.25868616165677E+01  / Image                                         COFA_05 = 0.25241707636908E-01  / Image                                         COFA_06 =-0.33575875156613E+01  / Image                                         COFA_07 = 0.18309484795785E+00  / Image                                         COFA_08 = 0.11308808271432E+01  / Image                                         COFA_09 =-0.10366793517167E+00  / Image                                         COFA_10 = 0.15757987448201E+00  / Image                                         COFA_11 = 0.11221464213365E+01  / Image                                         COFA_12 = 0.79735119225805E-02  / Image                                         COFA_13 =-0.75349884345887E+00  / Image                                         COFA_14 =-0.11378914792937E-01  / Image                                         COFA_15 =-0.63067108783886E-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   =           0.02083490  / H & D calibration parameter                   GAMMA   =           1.88845384  / H & D calibration parameter                   YMIN    =           0.08093204  / H & D calibration parameter                   END