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20210721 - Latest Filament data
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  910 1582 (N42E05 L=134)   309     57        0 ( 895/1551- 924/1614)  78.7 E05-E03 N39-N44
      2 1280 1585 (N39W25 L=165)   261     14        0 (1259/1566-1301/1601)  14.0 W23-W27 N37-N40
      3 1552  367 (S46W45 L=184)   444     41        0 (1529/ 354-1579/ 386) -24.0 W41-W50 S47-S43
      4  901  353 (S40E15 L=124)   319     86        0 ( 864/ 337- 949/ 365)   0.0 E18-E11 S41-S38
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» 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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