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20210219 - Latest Filament data
Available data for 20210219: »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC   »14 UTC   »15 UTC  
Click on image to open sensitive map! 
 
  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1  500  621 (S42E30 L=317)  1093    253        0 ( 430/ 532- 587/ 709)  43.2 E39-E22 S49-S34
      2 1269  386 (S39W36 L= 23)   277     40        0 (1242/ 364-1289/ 406)  -9.5 W33-W39 S39-S37
      3 1374  295 (S41W53 L= 39)  1017    130        2 (1348/ 238-1397/ 374) -20.2 W43-W62 S44-S36
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» All Filament Data of 20210219 ... 		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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