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20210721 - Filament data for 12 UTC
Available data for 20210721: »05 UTC   »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  903 1579 (N42E05 L=134)   302     60        0 ( 890/1547- 915/1613) -90.0 E06-E04 N39-N44
      2 1275 1584 (N39W25 L=165)   280     22        0 (1255/1564-1300/1600)  14.0 W23-W27 N37-N40
      3 1548  366 (S46W45 L=185)   485     42        0 (1525/ 352-1578/ 384) -16.7 W40-W50 S47-S43
      4  896  352 (S40E16 L=124)   321     96        0 ( 854/ 337- 945/ 364)   0.0 E19-E11 S41-S38
Download Binary data for this image

» All Filament Data of 20210721 ... 		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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