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20250817 - Filament data for 11 UTC
Available data for 20250817: »06 UTC   »07 UTC   »08 UTC   »09 UTC   »11 UTC   »12 UTC   »13 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1360 1762 (N45W52 L=352)  1635    183        2 (1303/1690-1422/1807)  13.4 W42-W63 N40-N47
      2  717 1730 (N60E13 L=287)   406     60        0 ( 695/1699- 742/1754)  59.0 E15-E09 N57-N62
      3  931 1586 (N43W05 L=305)   226     53        0 ( 900/1570- 958/1604)   0.0 W02-W07 N42-N44
      4 1214 1498 (N31W23 L=323)  1523    452        0 (1041/1435-1393/1576) -40.1 W13-W33 N24-N40
      5  367 1404 (N40E47 L=253)   844    165        3 ( 297/1366- 449/1448) -16.7 E57-E37 N36-N43
      6 1158 1142 (N11W10 L=310)   234     47        0 (1128/1120-1187/1157) -45.0 W08-W11 N09-N12
      7 1748  972 (S11W47 L=347)   569    142        0 (1724/ 903-1768/1034)  54.5 W44-W49 S14-S07
      8  237  960 (N13E57 L=243)   741    118        3 ( 219/ 896- 259/1008)  71.6 E59-E54 N09-N16
      9 1269  779 (S12W10 L=310)   329    155        0 (1247/ 710-1312/ 825)  45.0 W08-W13 S16-S09
     10 1421  527 (S32W18 L=318)  1344    313        1 (1293/ 471-1524/ 627)  14.7 W07-W26 S34-S27
     11  766  206 (S45E45 L=255)  2553    283        6 ( 659/ 159- 878/ 247)   2.0 E69-E31 S49-S41
  
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» All Filament Data of 20250817 ...
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