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20170420 - Filament data for 12 UTC
Available data for 20170420: »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  874 1606 (N25E27 L= 94)   866    194        1 ( 852/1526- 899/1686) -51.3 E31-E22 N19-N29
      2  435 1615 (N15E58 L= 62)   934    205        3 ( 381/1554- 489/1662)  54.5 E61-E55 N10-N18
      3  430  518 (S54E33 L= 87)   619     95        0 ( 404/ 468- 456/ 569) -56.3 E35-E30 S57-S50
      4 1041  223 (S53W38 L=158)   871    174        1 (1010/ 178-1080/ 286) -21.8 W29-W44 S56-S49
Download Binary data for this image

» All Filament Data of 20170420 ... 		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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