SIMPLE  =                    T  / FITS STANDARD                                 BITPIX  =                  -32  / FITS BITS/PIXEL (FLOATING POINT)              NAXIS   =                    2  / NUMBER OF AXES                                NAXIS1  =                  892  / X AXIS NO. PIX                                NAXIS2  =                  892  / 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 18:54:17                HISTORY 1-3 pixel sized dust and emulsion pits removed by Laplacian filter      HISTORY Derived from above by CAFITIMAGE on 2006-09-14 at 19:53:28              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= '1965-11-02'          / YEAR-MO-DA                                    TAVG-UT =           16.7500000  / AVERAGE TIME, U.T.                            LAMBDA  =         3933.6818848  / WAVELENGTH (ANGSTROMS)                        OBS_B0  =             4.174622  / SUN TILT                                      OBS_CR  =            1500.5220  / CARRINGTON ROTATION                           OBS_L0  =             172.1035  / LONGITUDE OF THE CENTRAL MERIDIAN             XSCALE  =              2.80371  / ARCSEC PER X PIXEL                            YSCALE  =              2.80371  / ARCSEC PER Y PIXEL                            SCALPIX1=  Infinity             / X PIXELS PER INCH                             SCALPIX2=  Infinity             / Y PIXELS PER INCH                             CRPIX1  =          477.1647644  / Ref point1.                                   CRPIX2  =          477.6350098  / Ref point2.                                   CDELT1  =           0.00289842  / Solar Scale Axis 1.                           CDELT2  =           0.00288864  / Solar Scale Axis 2.                           RX-RY   =          -1.16835535  / Radius x minus Radius y.                      GRADXP  =         179.89262390  / Average Slope X plus.                         GRADXM  =         203.70993042  / Average Slope X minus.                        GRADYP  =        1899.32263184  / Average Slope Y plus.                         GRADYM  =         216.81150818  / Average Slope Y minus.                        SCSLOPXP=          18.00000000  / Scattered Light Slope X plus.                 SCSLOPXM=          16.43750000  / Scattered Light Slope X minus.                SCSLOPYP=          10.07142830  / Scattered Light Slope Y plus.                 SCSLOPYM=          34.50000000  / Scattered Light Slope Y minus.                YEAR    =                 1965  / Year                                          MONTH   =                   11  / Month                                         DAY     =                    2  / Day                                           IMAGE_NO=                    4  / Image_No                                      SCANID  =         '20050926-3'  / ScanId                                        PLATE_NO=              'CB907'  / plate_no                                      PLTYPECD=                    3  / PlateTypeCode                                 OBSTYPE =              'K2-NS'  / ObsType                                       TIME    =            '8:45:00'  / time                                          IMAGQUAL=                    2  / Image_Qual                                    LGBOOKPG=        '651031_1111'  / Logbook_Page                                  CORANGLE=                129.7  / Correction_angle                              LGCOMMNT=                'NIL'  / LogComments                                   TGCOMMNT=                'NIL'  / TagComments                                   EXTRES  =                    1  / ExtRes                                        EXTQUAL =   0.9751662962342682  / ExtQual                                       FILENAME= 'K19651102-04-20050926-3'/ FileName                                   IMAGWDTH=                 3757  / ImageWidth                                    IMAGLNGT=                 3757  / ImageLength                                   EXSUBSAM=                    1  / ExtSubSample                                  SCRESUNI=                    2  / ScanResUnit                                   SCANXRES=     849.903564453125  / ScanXres                                      SCANYRES=    849.9573364257812  / ScanYres                                      POSINSCN=                    2  / PosInScan                                     HORPOSNM=                    2  / HorPosNum                                     HORPOS  =                  'B'  / HorPos                                        PLXOFFST=                    0  / PlateXoffset                                  PLYOFFST=                 3910  / PlateYoffset                                  IMXOFFST=                 4183  / ImageXoffset                                  IMYOFFST=                 3533  / ImageYoffset                                  BACKGRND=   0.8212316618773277  / Bgmean                                        BKGSTDEV=   0.1472221592359127  / Bgstddev                                      LGDTDATE= '10/13/2005 10:45:01'/ LogDataEntryDate                               LGSERIAL=                  NIL  / LogSerial                                     TGDTDATE=  '9/29/2005 9:46:38'  / TagDataEntryDate                              TGSERIAL=                12614  / TagSerial                                     EXFILLOC=          '/1965/11/'  / ExtFileLoc                                    SCFILLOC=       '/2005/09/26/'  / ScanFileLoc                                   SCFRAME =                    3  / ScanFrame                                     EXTDATE = 'Wed Oct 19 21:52:38 2005'/ ExtDate                                   SERIAL  =                  448  / Serial                                        NPIXDUST=                69577  / Number of dust and pit pixels replaced.       RADIUS_X=               345.02  / X-direction Radius                            RADIUS_Y=               346.18  / Y-direction Radius                            AVE_INTS=        21715.0136719  / Average Intensity Value                       AVE_IRMS=          338.1459656  / Ave. RMS Intensity Variation over 5x5 Arrays  SUNEAR_F=            1.0077696  / Sun-Earth Distance Factor                     RADSCORE=                    3  / Radius Solution Demerits, < 6 is good         COMMENT Minimum and maximum allowed fit values:                                 DRKMN_1 =             3779.654  / MINIMUM VALUE FOR OFF-IMAGE SIDES.            DRKMX_1 =             5269.518  / MAXIMUM VALUE FOR OFF-IMAGE SIDES.            DRKMN_2 =             3169.710  / MINIMUM VALUE FOR OFF-IMAGE TOP & BOTTOM.     DRKMX_2 =             6919.366  / MAXIMUM VALUE FOR OFF-IMAGE TOP & BOTTOM.     DRKMN_3 =            -2767.602  / MINIMUM VALUE FOR IMAGE.                      DRKMX_3 =             1878.213  / 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 = 0.42240398377015E+01  / Background                                    COFB_02 =-0.50956564341729E-04  / Background                                    COFB_03 = 0.64740266579727E-07  / Background                                    COFB_04 = 0.57171407871902E-02  / Background                                    COFB_05 = 0.89613952738280E-02  / Background                                    COFB_06 =-0.26268104343647E-04  / Background                                    COFB_07 =-0.42620104283459E-04  / Background                                    COFB_08 = 0.28538629534061E-07  / Background                                    COFB_09 = 0.50291988611261E-07  / Background                                    COFB_10 =-0.19406195083750E-07  / Background                                    COFB_11 =-0.30138693721316E-04  / Background                                    COFB_12 = 0.71022058624753E-09  / Background                                    COFB_13 = 0.64530793983197E-07  / Background                                    COFB_14 =-0.53134918678469E-09  / Background                                    COFB_15 = 0.91578164458101E-09  / Background                                    COMMENT Image fit coefficients:                                                 COFA_01 = 0.58453580036090E+01  / Image                                         COFA_02 =-0.14394079921425E+01  / Image                                         COFA_03 =-0.85463302572848E-01  / Image                                         COFA_04 = 0.10286623301210E+00  / Image                                         COFA_05 =-0.71696625647871E+00  / Image                                         COFA_06 = 0.84400481591183E+00  / Image                                         COFA_07 = 0.10043199723710E+01  / Image                                         COFA_08 =-0.39212809258646E+00  / Image                                         COFA_09 =-0.26921653475803E+00  / Image                                         COFA_10 =-0.70396738485331E+00  / Image                                         COFA_11 = 0.16367346872504E+01  / Image                                         COFA_12 = 0.45838011251691E+00  / Image                                         COFA_13 =-0.11568518365233E+01  / Image                                         COFA_14 = 0.71029004709309E-01  / Image                                         COFA_15 =-0.28740045655018E-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   =           0.03792724  / H & D calibration parameter                   GAMMA   =           1.95552540  / H & D calibration parameter                   YMIN    =           0.16172017  / H & D calibration parameter                   END