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20210817 - Filament data for 09 UTC
Available data for 20210817: »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  753 1596 (N49E10 L=135)   304     52        2 ( 727/1579- 783/1616) -21.8 E11-E06 N46-N50
      2 1504 1510 (N26W45 L=190)   353    152        0 (1450/1480-1573/1551) -49.4 W42-W49 N22-N29
      3 1632 1366 (N14W48 L=193)   471    100        0 (1579/1345-1676/1385) -29.7 W44-W51 N12-N16
      4 1503  374 (S48W27 L=171)   525     68        1 (1470/ 358-1537/ 394) -15.9 W22-W31 S49-S45
Download Binary data for this image

» All Filament Data of 20210817 ... 		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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