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20210509 - Latest Filament data
Available data for 20210509: »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  530 1610 (N20E51 L=334)   609     63        2 ( 502/1575- 553/1647) -51.3 E53-E48 N17-N22
      2 1162 1616 (N36E08 L= 17)   317    107        1 (1113/1599-1210/1630)   8.1 E11-E04 N34-N37
      3  450  532 (S49E33 L=352)   332     51        0 ( 428/ 507- 469/ 555)  51.3 E35-E30 S51-S46
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» All Filament Data of 20210509 ... 		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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