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20210817 - Filament data for 10 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  761 1599 (N49E09 L=135)   257     27        1 ( 737/1582- 786/1616) -26.6 E10-E06 N46-N50
      2 1512 1513 (N26W46 L=190)   399    143        0 (1459/1485-1578/1555) -49.4 W43-W50 N22-N29
      3 1638 1370 (N14W49 L=193)   494     81        1 (1595/1346-1681/1388) -33.7 W46-W52 N12-N16
      4 1509  373 (S49W27 L=171)   478     43        2 (1481/ 354-1535/ 396)   0.0 W24-W31 S51-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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