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20210728 - Latest Filament data
Available data for 20210728: »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 1470 1411 (N24W36 L= 83)   262     62        0 (1439/1391-1493/1427) -36.9 W33-W37 N22-N25
      2 1182  732 (S14W07 L= 54)   267    100        1 (1141/ 697-1226/ 760) -38.7 W04-W09 S16-S11
      3  576  574 (S19E36 L= 11)   344     52        0 ( 557/ 546- 593/ 605)  53.1 E37-E33 S21-S17
      4  826  437 (S31E21 L= 26)   304     70        0 ( 803/ 405- 856/ 457)  38.7 E23-E18 S33-S29
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» All Filament Data of 20210728 ... 		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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