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20210813 - Filament data for 09 UTC
Available data for 20210813: »06 UTC   »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  833 1310 (N27E08 L=190)   283    142        2 ( 807/1252- 862/1366) -76.0 E09-E06 N22-N30
      2 1343  426 (S38W12 L=210)   335     31        0 (1311/ 412-1367/ 443) -21.8 W09-W14 S40-S37
      3 1039  236 (S49E18 L=180)   468     48        3 (1012/ 214-1072/ 260)  -9.5 E20-E14 S51-S46
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» All Filament Data of 20210813 ... 		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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