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20210509 - Filament data for 09 UTC
Available data for 20210509: »06 UTC   »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC   »14 UTC  
Click on image to open sensitive map! 
 
  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1  485 1593 (N17E54 L=334)  1148    188        5 ( 424/1517- 546/1652)  90.0 E57-E49 N11-N21
      2 1127 1625 (N36E11 L= 17)   510    111        1 (1079/1606-1185/1647)  15.9 E13-E06 N33-N37
      3  736  761 (S25E11 L= 16)   566    194        0 ( 673/ 708- 803/ 839)  61.4 E14-E08 S30-S19
      4  445  526 (S50E34 L=353)   674     85        2 ( 412/ 484- 473/ 564) -38.7 E37-E30 S52-S46
Download Binary data for this image

» All Filament Data of 20210509 ... 		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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