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20230816 - Latest Filament data
Available data for 20230816: »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1  841 1562 (N44E03 L=238)   262     50        1 ( 813/1539- 864/1578) -53.1 E04-W00 N41-N45
      2 1442 1369 (N19W34 L=275)   874    309        1 (1301/1317-1570/1401) -32.0 W25-W41 N13-N23
      3  325 1260 (N31E50 L=192)   322     93        2 ( 289/1227- 374/1285)   6.3 E53-E44 N28-N32
      4  369 1154 (N24E44 L=197)  1256    212        5 ( 332/1062- 409/1240) -71.6 E48-E40 N17-N29
      5 1871 1092 (S07W64 L=305)   673     69        1 (1846/1056-1900/1120)  14.0 W60-W69 S08-S05
      6  240  864 (N07E59 L=182)   469     56        1 ( 224/ 836- 262/ 894)  45.0 E61-E56 N05-N08
      7  586  410 (S26E44 L=197)   667    216        0 ( 541/ 323- 658/ 470)  26.6 E55-E35 S32-S22
      8  747  348 (S33E35 L=206)   351     71        2 ( 720/ 323- 775/ 383)  33.7 E38-E32 S34-S30
  
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» All Filament Data of 20230816 ...
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