SIMPLE = T / FITS STANDARD BITPIX = -32 / FITS BITS/PIXEL (FLOATING POINT) NAXIS = 2 / NUMBER OF AXES NAXIS1 = 874 / X AXIS NO. PIX NAXIS2 = 874 / 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 2006-02-11 at 01:19:27 HISTORY 1-3 pixel sized dust and emulsion pits removed by Laplacian filter HISTORY Derived from above by CAFITIMAGE on 2006-10-12 at 05:22:21 HISTORY Image: Canonical limb darkening imposed on a flat image. HISTORY Background: Residuals, H & D'ed original data - off-image fit. HISTORY HISTORY HISTORY 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= '1981-05-21' / YEAR-MO-DA TAVG-UT = 26.3999996 / AVERAGE TIME, U.T. LAMBDA = 3933.6818848 / WAVELENGTH (ANGSTROMS) OBS_B0 = -1.819512 / SUN TILT OBS_CR = 1708.7395 / CARRINGTON ROTATION OBS_L0 = 93.7583 / LONGITUDE OF THE CENTRAL MERIDIAN XSCALE = 2.84724 / ARCSEC PER X PIXEL YSCALE = 2.84724 / ARCSEC PER Y PIXEL SCALPIX1= Infinity / X PIXELS PER INCH SCALPIX2= Infinity / Y PIXELS PER INCH CRPIX1 = 452.5177002 / Ref point1. CRPIX2 = 397.4334717 / Ref point2. CDELT1 = 0.00300387 / Solar Scale Axis 1. CDELT2 = 0.00298641 / Solar Scale Axis 2. RX-RY = -1.94698083 / Radius x minus Radius y. GRADXP = 142.19601440 / Average Slope X plus. GRADXM = 168.21760559 / Average Slope X minus. GRADYP = 132.55940247 / Average Slope Y plus. GRADYM = 176.54470825 / Average Slope Y minus. SCSLOPXP= 25.12500000 / Scattered Light Slope X plus. SCSLOPXM= 31.25000000 / Scattered Light Slope X minus. SCSLOPYP= 59.25000000 / Scattered Light Slope Y plus. SCSLOPYM= 17.68750000 / Scattered Light Slope Y minus. YEAR = 1981 / Year MONTH = 5 / Month DAY = 21 / Day IMAGE_NO= 28 / Image_No SCANID = '20060131-4' / ScanId PLATE_NO= 'CB5139' / plate_no PLTYPECD= 3 / PlateTypeCode OBSTYPE = 'K2-SN' / ObsType TIME = '18:24:00' / time IMAGQUAL= 2 / Image_Qual LGBOOKPG= '810505_0522' / Logbook_Page CORANGLE= 75.3 / Correction_angle LGCOMMNT= 'NIL' / LogComments TGCOMMNT= 'NIL' / TagComments EXTRES = 1 / ExtRes EXTQUAL = 0.9753758317615004 / ExtQual FILENAME= 'K19810521-28-20060131-4'/ FileName IMAGWDTH= 3755 / ImageWidth IMAGLNGT= 3755 / ImageLength EXSUBSAM= 1 / ExtSubSample SCRESUNI= 2 / ScanResUnit SCANXRES= 849.6376953125 / ScanXres SCANYRES= 849.8580322265625 / ScanYres POSINSCN= 4 / PosInScan HORPOSNM= 2 / HorPosNum HORPOS = 'B' / HorPos PLXOFFST= 0 / PlateXoffset PLYOFFST= 11727 / PlateYoffset IMXOFFST= 4512 / ImageXoffset IMYOFFST= 10716 / ImageYoffset BACKGRND= 0.7544784913997749 / Bgmean BKGSTDEV= 0.1395775112532612 / Bgstddev LGDTDATE= '2/6/2006 11:03:30' / LogDataEntryDate LGSERIAL= NIL / LogSerial TGDTDATE= '2/6/2006 12:06:21' / TagDataEntryDate TGSERIAL= 16792 / TagSerial EXFILLOC= '/1981/5/' / ExtFileLoc SCFILLOC= '/2006/01/31/' / ScanFileLoc SCFRAME = 3 / ScanFrame EXTDATE = 'Fri Feb 10 18:25:28 2006'/ ExtDate SERIAL = 172 / Serial NPIXDUST= 55942 / Number of dust and pit pixels replaced. RADIUS_X= 332.90 / X-direction Radius RADIUS_Y= 334.85 / Y-direction Radius AVE_INTS= 14015.0458984 / Average Intensity Value AVE_IRMS= 197.1580353 / Ave. RMS Intensity Variation over 5x5 Arrays SUNEAR_F= 0.9874640 / Sun-Earth Distance Factor RADSCORE= 2 / Radius Solution Demerits, < 6 is good COMMENT Minimum and maximum allowed fit values: DRKMN_1 = 5399.505 / MINIMUM VALUE FOR OFF-IMAGE SIDES. DRKMX_1 = 7259.335 / MAXIMUM VALUE FOR OFF-IMAGE SIDES. DRKMN_2 = 5429.503 / MINIMUM VALUE FOR OFF-IMAGE TOP & BOTTOM. DRKMX_2 = 10619.027 / MAXIMUM VALUE FOR OFF-IMAGE TOP & BOTTOM. DRKMN_3 = -1117.368 / MINIMUM VALUE FOR IMAGE. DRKMX_3 = 720.771 / 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 = 0.32927121497055E+00 / Background COFB_02 =-0.31213687245837E-05 / Background COFB_03 = 0.36816733115583E-08 / Background COFB_04 =-0.21987246461888E-03 / Background COFB_05 = 0.19332066106681E-03 / Background COFB_06 = 0.53584640793358E-06 / Background COFB_07 =-0.10162214641422E-05 / Background COFB_08 =-0.10063663131457E-08 / Background COFB_09 = 0.13858749536889E-08 / Background COFB_10 =-0.14865008795460E-06 / Background COFB_11 =-0.27669660995950E-05 / Background COFB_12 = 0.30322517055302E-09 / Background COFB_13 = 0.60582863828027E-08 / Background COFB_14 = 0.41723129359573E-09 / Background COFB_15 = 0.24191027181309E-10 / Background COMMENT Image fit coefficients: COFA_01 = 0.38862595159372E+00 / Image COFA_02 =-0.15954173104129E+00 / Image COFA_03 = 0.35184382322730E-01 / Image COFA_04 =-0.27138927133804E-01 / Image COFA_05 = 0.13792693400863E+00 / Image COFA_06 = 0.25171005463334E-01 / Image COFA_07 =-0.23677668962928E+00 / Image COFA_08 =-0.27574134518104E-02 / Image COFA_09 = 0.99960457647508E-01 / Image COFA_10 = 0.77448213107858E-02 / Image COFA_11 = 0.57412632200817E-01 / Image COFA_12 = 0.11060792674675E-02 / Image COFA_13 =-0.59159942394274E-01 / Image COFA_14 = 0.15386942992219E-02 / Image COFA_15 = 0.37553549513372E-03 / 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 = 0.95354599 / H & D calibration parameter GAMMA = 1.01023197 / H & D calibration parameter YMIN = 0.21547370 / H & D calibration parameter END >Yr>;P> 4>>j;>7>>b>>u>">s>>˅>aa>>PZ==>> >=1>T>Z>2p>$q>9 > k>>>"> >>?5>7>63>6z>,>+>?=`5=S=+=@=3=e<=v==um=:~=%5=5>&X=@=HJ$=8B= yV<-e<}p:A;YN2h =K7!n=iD=,==ǹ=1=a==M="=Yp==?:=>>4>ʄ>bT>LP>3*>$%>67>#Ƌ>$> #= =/==@c<=D< <﮲==[==<2#<<<]:XJ< &?><p޼۷.He!v>>dC>s`>f>o$.>hgY>f>>@>/>`?'? ?z)?C?g5>>Y>d>>5>Y>>_>O>d>Gg>\>g'o>L<>Za>R5'>X>Q>TDO>=U>8&>[O>D\>1>NH>>yT>C[G>>`>,Q>7>F>@>%?>6>24>@>C>B }>,|Z>@'>2>d>1>.@>4n">>0>6=>"қ>&e=f>>y=?>0>`>p>> >>> jf> >]=> @>?G>O:>,=n>=V8*4:0lA)_ArҼ۽2̻Ôr}Nj1=6> >o7=]=F=9K="6;G <<`Ivj;9N;Z< Y<i54|V;!r<^x[ƮD:hm=6߼ߴ_WDNu=@;ZJ'g"^P代p켒9_0q<7$Ѻcͥ<gl=Q1=~=2=W=H=T=T#= 9=e= = ="f=|=, =C1=Z==̢=A=E=> >d>{>s$>kt>f>v >\>g >}S>E&>Yh>KE>"W>;>> kW>=>O->^i>c.X>64>/>>X]>P>H>@7=ݘ>^6B>yh,>Ux> >">Iw>, > >Q>!s>> N>> *^>=D=VN===˭=H=@= =0=}=B=|=R=%_=,;Ҽ:E Hb=v= R?<;x; )H9"9;Q;b;<.<VFz<4M<6=G+=0 =X =P=T=z<<^n=Xv<%Ԃ;%=Dy=;/";*<2<(=&;P=$X:ƒ:<ܥcÝe:՞%D :\EO̼Ge>epFېb;+Pp7ཬ)t+4y <@pb=Z<ע<;ܼS2~=+]弻ܼռsEd`($4R>N/>.==J4SD D b˻2ka-ٺs;,s O&i-'=3UⒻ:ύ*' ?Ub;Cͼüu6+<.;܀=ns;g|ATԼO 8;V=̽;_Y`ý$缾 eC=Eu8=++X䩽C-'^ϽJ*%a .< =#.<1$ \ҽ0:,`2(EPwbgd搽wryd7?[:__)+f3bC & ))G14.RƼ&*5Vm7ݼyļ_7rxq[?<kTh;<7*\!:3({< <;Hz<*Ւ<)S<6p:_<֠<g:t<#:<;Ba=D,;%8<qT;b: :};Dhq<:ukQI޻|>cༀ<t ;B;<m/6;7K)8S𯼢3j S PP =H$&y;0&f@9B]@ˁ,;ݦ޼<= ><֍<(Q;8hP<4 <ѻ@t i~& ;65;I;y4;Rt< %=1:=\=s4<8<>@;*0=jbt/m=>>0>ȶ=! ,= <]0<"M<<<4<<ͧc;'\al<+;4<ؼvb|t"'c1<#Ҡ6LMmђ;I%EJeh۠Q;X:`;uk>[h/F9)9 n,̼G:09<2<wW{Iڼvҽ?[JN); Ɗb<7i=,@mG߼>޼\KST м."sjd%a䇽7Q8Pt;硽 ˽`C3J<}ǽi/eWec/naNI9cJ1yvh*dldUý\#׽_ҽ*aidT|+k?΄jĽ2B۽2;btСߊ;ܽ`'wF;PP9^~w$l۽= nMdeNQkLS=ʮ=N <A"euXĽ1UP_K+^8>kL DUPpǽ2(lcP ~r>μZl-ۭj7yϽHY/W-ty?V LhBA \uy A oλ-ӳEX~xnDw<<#;F/9nLfTjsc̢мH<';;e< YW:>Ӛ:;= !< ::i.>epӓ<m=/=] 9=na=}俼ف;EB=B<ۼbm(/W^0 ;R,OZYWHs弼ˀ#-В< {<ؙI^.˕J<2E;üKi+O/o<wr;,~=[>)9>>h=#=f=4s<< <<,q<= tW?fc6+B<4:CSA;+.`\:d=1=Lڼ|};D2j+0>IuٽyICF$j=!BY T< 9g0__D@wGX뽋CީfNQս^?uPj|P] Uڂ:)<=Dd=ǻ&Z缓`fbw"ZDCKQN$"!Ch6u4 -n#%r|P=t;Ab"N`Bd|Dѽ뼅e3}(S (Cd_%f`z x lϼ]G ;-Fʣ5 A<Q3< 5<ߴ<8=aH5 7'Sr[ŽL-Z:ӄRd75T RF?Yr1#ܼs#sZG}:ؽ}ȽD? 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