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20220121 - Latest Filament data
Available data for 20220121: »08 UTC   »09 UTC   »10 UTC   »12 UTC   »13 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1  834 1816 (N47E28 L=204)   407     40        1 ( 813/1788- 854/1839) -68.2 E29-E26 N44-N49
      2  674 1778 (N42E40 L=192)  1262    124        1 ( 630/1730- 733/1810)  51.3 E46-E34 N38-N45
      3  398 1489 (N19E49 L=182)  1335    245        2 ( 369/1404- 441/1590) -72.9 E53-E43 N13-N26
      4 1627  331 (S40W73 L=304)   821     82        1 (1594/ 301-1646/ 373) -76.0 W67-W82 S41-S37
      5  726  316 (S56E21 L=211)   459     56        2 ( 701/ 293- 748/ 346)  29.7 E24-E17 S58-S52
      6  641  313 (S57E32 L=200)   583     73        1 ( 609/ 290- 676/ 342)  -7.1 E35-E26 S59-S54
  
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» All Filament Data of 20220121 ...
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