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20250131 - Latest Filament data
Available data for 20250131: »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  404 1533 (N18E51 L=344)   724    155        0 ( 361/1478- 458/1574)  66.8 E53-E46 N14-N21
      2  494 1493 (N16E42 L=353)  1426    408        7 ( 331/1438- 663/1547)  10.9 E54-E28 N11-N20
      3  435 1428 (N12E44 L=351)  1006    141        3 ( 374/1378- 487/1480)  35.5 E48-E41 N08-N15
      4  221 1361 (N07E63 L=332)  1508    177        2 ( 182/1292- 247/1441) -66.0 E69-E58 N02-N11
      5  286 1357 (N07E55 L=340)  1109    188        3 ( 257/1274- 334/1420) -60.9 E60-E51 N01-N10
      6 1115 1061 (S03W05 L= 40)   381    155        0 (1096/ 991-1130/1143) -82.9 W03-W06 S06-N02
      7  278 1083 (S10E51 L=344)   662    141        2 ( 240/1027- 312/1141) -50.2 E55-E47 S13-S06
      8  396 1040 (S12E41 L=354)   851    228        3 ( 337/ 969- 447/1134)  65.6 E45-E36 S16-S05
      9  803  707 (S27E10 L= 25)  2249    670        4 ( 551/ 616-1060/ 910)  36.6 E28-W03 S36-S12
     10  403  830 (S24E40 L=355)  2751    683        2 ( 153/ 760- 746/ 867)   6.5 E67-E14 S29-S19
     11 1204  721 (S21W15 L= 50)   665    188        2 (1185/ 629-1224/ 813) -70.0 W12-W17 S26-S15
     12 1655  614 (S20W50 L= 85)   874    243        2 (1609/ 560-1740/ 684)  49.4 W44-W56 S23-S16
     13 1416  635 (S23W31 L= 66)   395    109        0 (1361/ 610-1454/ 677)  38.7 W27-W33 S24-S19
     14 1238  367 (S43W30 L= 64)  2691    372       11 (1056/ 312-1405/ 425)   9.5 W13-W46 S45-S39
  
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» All Filament Data of 20250131 ...
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