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20210520 - Latest Filament data
Available data for 20210520: »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 1168 1436 (N26E00 L=239)   795    263        1 (1130/1329-1221/1546) -50.2 E05-W05 N20-N32
      2  407  491 (S51E43 L=197)   436     38        0 ( 384/ 469- 432/ 516)  -9.5 E45-E39 S53-S49
      3 1050  395 (S40W20 L=259)   345     66        1 (1015/ 379-1082/ 418)  45.0 W17-W21 S42-S38
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» All Filament Data of 20210520 ... 		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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