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20220728 - Latest Filament data
Available data for 20220728: »08 UTC   »09 UTC   »11 UTC   »12 UTC   »13 UTC   »14 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1178 1834 (N61W37 L=306)   663    108        0 (1127/1807-1229/1854)   3.0 W28-W47 N59-N62
      2 1401 1644 (N41W41 L=310)   661    111        1 (1346/1608-1458/1668)   0.0 W34-W47 N38-N42
      3 1662 1450 (N24W54 L=323)   557     70        1 (1631/1424-1703/1472)   0.0 W50-W59 N22-N25
      4  257 1106 (N15E56 L=213)   372     49        1 ( 242/1077- 278/1138)  90.0 E57-E53 N13-N17
      5 1623  557 (S32W41 L=310)   414     68        0 (1599/ 525-1644/ 597)  68.2 W39-W43 S34-S29
      6 1399  398 (S41W23 L=292)   641     82        1 (1370/ 364-1429/ 437)  59.0 W20-W25 S44-S38
  
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» All Filament Data of 20220728 ...
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