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20210422 - Filament data for 09 UTC
Available data for 20210422: »06 UTC   »07 UTC   »08 UTC   »09 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 1599 1571 (N48W26 L=278)   570     74        1 (1562/1547-1640/1586)  21.8 W21-W31 N45-N50
      2 1793 1423 (N45W50 L=303)   698     99        0 (1756/1388-1835/1443)  24.0 W43-W61 N40-N48
      3  411  517 (S55E37 L=215)  2124    359        1 ( 250/ 473- 568/ 582)   2.3 E66-E16 S57-S50
      4 1159  539 (S28W24 L=276)   296     69        1 (1128/ 524-1201/ 563)   0.0 W21-W26 S29-S26
Download Binary data for this image

» All Filament Data of 20210422 ... 		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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