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20210421 - Filament data for 09 UTC
Available data for 20210421: »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 1494 1627 (N48W14 L=280)   755     80        1 (1456/1602-1539/1647)  14.0 W10-W18 N44-N50
      2 1701 1474 (N44W37 L=303)   573     57        0 (1663/1458-1739/1488)  20.0 W32-W43 N41-N47
      3  970  623 (S29W09 L=274)   433    184        0 ( 883/ 606-1052/ 648)  14.0 W02-W14 S30-S27
      4  350  546 (S54E46 L=220)  1871    220        5 ( 237/ 516- 444/ 587)   2.8 E73-E31 S57-S50
Download Binary data for this image

» All Filament Data of 20210421 ... 		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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