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20150220 - Latest Filament data
Available data for 20150220: »06 UTC   »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC   »14 UTC   »15 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1  723 1570 (N20E31 L= 74)   551    243        0 ( 673/1476- 764/1651) -42.3 E37-E25 N14-N24
      2 1066 1368 (N14E05 L=101)   440    157        1 (1029/1296-1134/1438) -45.0 E08-W00 N10-N17
      3  135 1233 (S08E72 L= 33)  2018    257        5 ( 104/1118- 169/1329) -85.2 E76-E68 S14-S02
      4  581 1226 (S04E31 L= 75)   966    218        1 ( 483/1134- 662/1311)  56.3 E35-E26 S10-N02
      5  304 1155 (S12E50 L= 55)   861    175        4 ( 268/1099- 350/1205)  50.2 E53-E46 S14-S08
      6 1683 1100 (N12W39 L=145)   726    143        1 (1653/1025-1703/1178) -58.0 W35-W42 N08-N16
      7  191 1040 (S19E59 L= 46)   729    129        2 ( 172/ 983- 215/1113) -66.8 E61-E56 S22-S15
      8 1691  986 (N06W42 L=147)   248     40        0 (1668/ 966-1709/1002)   0.0 W40-W44 N04-N07
      9 1361  547 (S27W33 L=138)   268     55        0 (1330/ 531-1394/ 565)  56.3 W31-W35 S28-S24
     10 1433  416 (S32W45 L=150)   440    151        1 (1361/ 401-1496/ 431)  16.7 W39-W49 S34-S30
  
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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