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20210526 - Latest Filament data
Available data for 20210526: »06 UTC   »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC  
Click on image to open sensitive map! 
 
  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1468 1549 (N42W22 L=182)   302     49        0 (1439/1537-1500/1564)  21.8 W19-W24 N40-N42
      2 1075 1326 (N18E03 L=158)   252     68        0 (1040/1314-1113/1344)  14.0 E04-W00 N16-N18
      3  490  372 (S58E39 L=122)   682     60        0 ( 461/ 354- 525/ 393)  -7.1 E43-E32 S60-S56
      4 1003  262 (S53W22 L=183)   350     61        1 ( 966/ 245-1037/ 282)   7.1 W18-W26 S53-S51
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» All Filament Data of 20210526 ... 		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

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