restore,file='./index_iout.sav' ; index : before shift --> header1 ; iout : after shift --> header2 ; header1=yo_xda2fitshead(index,/prepend_inst, /sswstruct) header2=yo_xda2fitshead(iout,/prepend_inst, /sswstruct) ;header1=yo_xda2fitshead(index,$ ; /prepend_inst, /sswstruct,/addorbit, /addtim2orb, allcoms=allcoms) ;header2=yo_xda2fitshead(iout,$ ; /prepend_inst, /sswstruct,/addorbit, /addtim2orb, allcoms=allcoms) ; print,'header1.q_roll_corr: ',header1.q_roll_corr print,'header2.q_roll_corr: ',header2.q_roll_corr print,'' print,'header1.arcsec_shift: ',header1.arcsec_shift print,'header2.arcsec_shift: ',header2.arcsec_shift print,' ' print,'header1.hcorner_sav:',header1.hcorner_sav print,'header2.hcorner_sav:',header2.hcorner_sav print,' ' print,'header1.sun_center:',header1.sun_center print,'header2.sun_center:',header2.sun_center print,' ' print,'header1.crpix1 & header1.crpix2:',header1.crpix1,header1.crpix2 print,'header2.crpix1 & header2.crpix2:',header2.crpix1,header2.crpix2 print,' ' print,'header1.xcen & header1.ycen:',header1.xcen,header1.ycen print,'header2.xcen & header2.ycen:',header2.xcen,header2.ycen ; end