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20210905 - Filament data for 13 UTC
Available data for 20210905: »06 UTC   »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC   »14 UTC  
Click on image to open sensitive map! 
 
  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1318 1807 (N46W58 L=310)   501     56        1 (1295/1788-1347/1834)  53.1 W54-W61 N43-N47
      2  601 1525 (N48E20 L=231)   297     63        0 ( 587/1490- 616/1560) -90.0 E21-E18 N45-N50
      3  470 1398 (N42E33 L=218)   483     69        1 ( 452/1354- 491/1436) -63.4 E35-E30 N38-N44
      4  154 1094 (N27E70 L=182)   654     72        0 ( 123/1077- 189/1122)  -8.7 E76-E63 N25-N28
Download Binary data for this image

» All Filament Data of 20210905 ... 		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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