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20220418 - Latest Filament data
Available data for 20220418: »05 UTC   »06 UTC   »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC  
Click on image to open sensitive map! 
 
  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1280 1824 (N57E14 L=152)   623     50        0 (1248/1804-1313/1842)  63.4 E17-E11 N53-N60
      2  434 1654 (N16E64 L=103)  3403    313       10 ( 335/1585- 529/1757)  71.6 E75-E56 N10-N25
      3  442 1238 (S08E41 L=125)   254     57        1 ( 408/1221- 476/1249)   9.5 E44-E38 S09-S07
      4 1140  744 (S17W15 L=181)   205     52        0 (1120/ 718-1162/ 767)  76.0 W13-W15 S19-S15
      5  364  568 (S52E43 L=124)  1063    166        3 ( 301/ 537- 434/ 606)  -3.0 E53-E32 S54-S49
Download Binary data for this image

» All Filament Data of 20220418 ... 		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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