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20210218 - Filament data for 15 UTC
Available data for 20210218: »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC   »14 UTC   »15 UTC  
Click on image to open sensitive map! 
 
  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1  358  643 (S42E46 L=314)  1536    260        2 ( 286/ 536- 431/ 747)  32.6 E61-E36 S51-S34
      2 1259  354 (S41W38 L= 38)  1084    193        1 (1197/ 275-1315/ 429) -16.7 W29-W49 S45-S37
      3 1418  301 (S39W56 L= 56)   356     46        0 (1387/ 290-1450/ 313)  18.4 W52-W59 S40-S38
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» All Filament Data of 20210218 ... 		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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