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20210121 - Latest Filament data
Available data for 20210121: »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  521  707 (S28E32 L=337)   372    125        0 ( 482/ 657- 552/ 763)  49.4 E36-E29 S31-S24
      2 1192  686 (S24W14 L= 24)   296     65        1 (1168/ 651-1217/ 717)  78.7 W12-W15 S26-S21
      3  469  490 (S43E42 L=327)   407     29        0 ( 451/ 469- 494/ 517) -56.3 E45-E39 S45-S41
      4 1347  366 (S43W36 L= 46)  1187    175        3 (1279/ 319-1404/ 417) -11.3 W28-W43 S46-S39
Download Binary data for this image

» All Filament Data of 20210121 ... 		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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