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20210531 - Filament data for 08 UTC
Available data for 20210531: »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  860 1817 (N49E39 L= 58)  1031    121        2 ( 796/1790- 911/1840)  32.0 E44-E33 N46-N51
      2  764  287 (S58E05 L= 92)   493     80        0 ( 723/ 263- 801/ 307)  -6.3 E09-W00 S59-S55
      3  956  233 (S57W18 L=115)   473     51        0 ( 935/ 214- 979/ 268) -39.8 W15-W21 S59-S53
      4 1089  210 (S56W34 L=131)   468     46        1 (1066/ 184-1108/ 243) -29.1 W29-W38 S57-S52
Download Binary data for this image

» All Filament Data of 20210531 ... 		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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