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20210820 - Filament data for 12 UTC
Available data for 20210820: »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 1150 1727 (N49W32 L=135)   638    105        1 (1124/1674-1171/1774)  48.8 W28-W35 N44-N52
      2  394 1477 (N46E47 L= 57)  2178    252        1 ( 313/1383- 469/1534) -26.6 E62-E35 N38-N51
      3  305 1410 (N42E56 L= 47)  1051    111        0 ( 286/1357- 330/1468) -41.6 E61-E50 N38-N46
      4 1067  163 (S57E25 L= 78)   646     55        0 (1055/ 130-1083/ 192)  39.3 E31-E20 S62-S53
Download Binary data for this image

» All Filament Data of 20210820 ... 		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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