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20210821 - Filament data for 07 UTC
Available data for 20210821: »05 UTC   »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 1228 1755 (N48W41 L=134)   425    110        0 (1208/1704-1244/1801)  41.6 W37-W46 N44-N52
      2  486 1508 (N47E36 L= 57)  1987    248        3 ( 405/1426- 585/1570) -28.3 E50-E24 N39-N53
      3  403 1458 (N45E44 L= 48)  1344    148        3 ( 369/1380- 446/1523) -54.0 E51-E38 N39-N50
      4  567  391 (S26E48 L= 45)   813     95        2 ( 528/ 350- 614/ 426) -71.6 E50-E45 S29-S22
      5 1164  189 (S57E13 L= 80)   694     44        1 (1135/ 166-1192/ 207) -31.0 E16-E09 S60-S54
Download Binary data for this image

» All Filament Data of 20210821 ... 		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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