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20220125 - Latest Filament data
Available data for 20220125: »07 UTC   »08 UTC   »09 UTC   »10 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 1503 1695 (N46W32 L=211)   499     53        0 (1479/1664-1528/1724)  36.9 W28-W36 N43-N49
      2  749 1580 (N26E25 L=153)   365     61        0 ( 710/1566- 786/1595)  26.6 E28-E22 N25-N27
      3  927  686 (S27E02 L=176)   318    100        0 ( 881/ 651- 957/ 724)  45.0 E05-W00 S29-S24
      4 1128  691 (S24W11 L=189)   402    142        0 (1052/ 663-1193/ 715)   0.0 W05-W15 S25-S23
      5  570  642 (S33E28 L=151)   261     46        0 ( 555/ 611- 588/ 670)  76.0 E29-E26 S35-S31
      6 1717  639 (S19W56 L=234)   389     86        0 (1679/ 621-1740/ 668)  31.0 W52-W58 S20-S16
      7 1611  480 (S30W54 L=233)   633     97        0 (1571/ 436-1657/ 522)  74.1 W52-W56 S33-S26
      8 1025  257 (S57W15 L=194)   864    111        3 ( 976/ 224-1071/ 287)  -8.7 W09-W22 S59-S54
      9 1137  237 (S57W28 L=207)   991     95        2 (1097/ 206-1192/ 279) -14.9 W22-W37 S59-S53
  
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» All Filament Data of 20220125 ...
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