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20130818 - Filament data for 17 UTC
Available data for 20130818: »05 UTC   »06 UTC   »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC   »14 UTC   »15 UTC   »16 UTC   »17 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1267 1339 (N21W22 L=196)   424    165        0 (1195/1321-1344/1358) -24.0 W17-W26 N18-N23
      2 1446 1073 (N01W27 L=200)   264    129        0 (1434/1018-1463/1132)  71.6 W25-W28 S02-N04
      3 1720  904 (S15W44 L=218)   387    110        1 (1686/ 860-1747/ 949)  45.0 W40-W47 S16-S12
      4 1111  754 (S11W00 L=174)   196    103        0 (1070/ 727-1152/ 775) -36.9 E02-W02 S13-S09
      5 1794  678 (S33W54 L=228)   457     57        0 (1780/ 648-1806/ 712) -76.0 W51-W56 S34-S30
      6 1128  654 (S17E01 L=173)   418    211        1 (1046/ 622-1192/ 703) -14.0 E05-W03 S18-S14
      7 1571  570 (S34W30 L=204)  1524    112        4 (1512/ 458-1627/ 682)  57.3 W25-W35 S41-S26
      8  275  595 (S09E66 L=108)   831     84        2 ( 254/ 552- 297/ 641)  45.0 E69-E62 S12-S06
      9  644  528 (S17E35 L=139)   892    291        1 ( 500/ 503- 763/ 552)  -8.5 E45-E25 S19-S14
     10 1031  357 (S37E15 L=159)  2450    507        7 ( 875/ 220-1187/ 518)  30.7 E32-W00 S46-S27
  
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IDL code for reading binary data:
    OPENR, u, binfile, /COMP, /GET_LUN
    head = FLTARR(6) ;[xsize,ysize,radius,hh,mm,ss]
    READU, u, head
    data = INTARR(FIX(head[0]),FIX(head[1]))
    READU, u, data
    FREE_LUN, u
    
  • each filament has the value of Fil_ID
  • all values are in pixel
to get the area of a filament:
  c = WHERE(data EQ Fil_ID, area)
  f = '(2(A,I6))'
  PRINT, FORM=f, "Area of Fil_ID", Fil_ID," =", area 
be careful: y-origin is upper left! you can transpose the data:
  data = ROTATE(data,7)
  Solar_y = 2048-Solar_y