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20210218 - Filament data for 08 UTC
Available data for 20210218: »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  365  704 (S38E43 L=320)  1661    401        4 ( 272/ 540- 482/ 864)  36.9 E65-E32 S50-S26
      2 1233  368 (S41W35 L= 39)   960    208        1 (1173/ 289-1282/ 446) -20.2 W26-W45 S45-S37
      3 1398  311 (S40W53 L= 56)   385     43        0 (1366/ 292-1422/ 328)   0.0 W49-W56 S40-S38
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» All Filament Data of 20210218 ... 		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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