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20210826 - Filament data for 12 UTC
Available data for 20210826: »06 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  715 1238 (N26E15 L=  9)   483    138        0 ( 686/1179- 759/1288)  39.8 E17-E11 N22-N28
      2 1822  688 (S34W57 L= 81)   504     72        0 (1793/ 665-1846/ 715)   8.1 W52-W60 S35-S32
      3 1510  597 (S30W23 L= 47)   296     51        0 (1496/ 567-1523/ 626)  76.0 W22-W24 S32-S28
      4 1112  395 (S35E09 L= 15)   933    213        2 (1071/ 318-1144/ 488)  45.0 E14-E04 S40-S27
Download Binary data for this image

» All Filament Data of 20210826 ... 		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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