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20210828 - Filament data for 11 UTC
Available data for 20210828: »08 UTC   »10 UTC   »11 UTC   »13 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 1410 1547 (N28W41 L= 38)   628     98        0 (1366/1508-1453/1583) -71.6 W38-W42 N25-N31
      2  787 1386 (N34E08 L=350)   824    264        0 ( 708/1262- 864/1447) -63.4 E12-E04 N24-N38
      3 1667  895 (S16W39 L= 36)   491    113        1 (1630/ 847-1701/ 944)  26.6 W34-W41 S17-S12
      4 1628  753 (S23W34 L= 32)   284    104        0 (1617/ 696-1638/ 799)  71.6 W32-W35 S26-S20
      5 1444  415 (S43W16 L= 14)   906    136        1 (1396/ 369-1487/ 465)  36.9 W11-W20 S45-S39
      6 1323  379 (S42W05 L=  3)   345     80        1 (1278/ 363-1358/ 404) -15.9 W01-W08 S43-S40
Download Binary data for this image

» All Filament Data of 20210828 ... 		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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