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20210220 - Filament data for 08 UTC
Available data for 20210220: »06 UTC   »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  573  539 (S46E23 L=314)   904    150        0 ( 519/ 477- 628/ 588)  42.0 E29-E18 S52-S41
      2 1358  344 (S38W47 L= 24)   387     77        0 (1322/ 324-1395/ 364)   0.0 W43-W51 S39-S37
      3 1427  264 (S41W62 L= 39)  1514    140        2 (1402/ 198-1450/ 341) -21.8 W52-W75 S44-S36
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» All Filament Data of 20210220 ... 		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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