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20210218 - Filament data for 09 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  369  698 (S39E43 L=320)  1546    396        3 ( 272/ 540- 489/ 856)  36.9 E64-E31 S50-S26
      2 1237  366 (S41W35 L= 38)   984    189        2 (1178/ 286-1284/ 443) -20.2 W26-W45 S45-S37
      3 1413  310 (S39W54 L= 57)   620     94        0 (1368/ 289-1464/ 325)  29.7 W50-W58 S40-S36
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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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