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20210401 - Filament data for 12 UTC
Available data for 20210401: »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  952  443 (S42W16 L=184)   316     70        0 ( 931/ 402- 977/ 479) -81.9 W14-W18 S45-S38
      2  794  394 (S51W08 L=176)   318     31        0 ( 775/ 375- 816/ 418) -21.8 W05-W10 S52-S49
      3 1094  193 (S53W50 L=218)   639     97        0 (1064/ 153-1114/ 239)  -9.0 W41-W60 S55-S50
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» All Filament Data of 20210401 ... 		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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