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20170404 - Latest Filament data
Available data for 20170404: »06 UTC   »08 UTC   »09 UTC   »10 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  598 1653 (N19E47 L=284)   384     80        1 ( 579/1629- 624/1683) -21.8 E48-E43 N17-N21
      2 1810 1214 (N29W47 L= 18)   895    206        2 (1755/1172-1858/1254)  45.0 W42-W51 N24-N33
      3  298  961 (S28E46 L=284)   760    209        3 ( 233/ 937- 360/ 988)   4.8 E52-E40 S29-S26
      4 1860  898 (N13W60 L= 30)   402     86        1 (1839/ 867-1875/ 940) -36.9 W57-W62 N11-N15
Download Binary data for this image

» All Filament Data of 20170404 ... 		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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