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20210918 - Filament data for 09 UTC
Available data for 20210918: »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC   »14 UTC   »15 UTC   »16 UTC  
Click on image to open sensitive map! 
 
  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1210 1837 (N50W55 L=136)   405     50        1 (1185/1815-1234/1858)  76.0 W52-W58 N47-N51
      2  603 1306 (N34E20 L= 61)   612    213        0 ( 521/1260- 704/1332) -31.6 E26-E13 N28-N36
      3  547  365 (S22E54 L= 28)   963    135        2 ( 524/ 312- 575/ 434)  29.7 E60-E46 S25-S17
      4  744  292 (S31E43 L= 38)   523    104        3 ( 718/ 244- 762/ 347)  35.0 E48-E38 S34-S27
      5  973  270 (S39E29 L= 53)  1012    141        1 ( 917/ 223-1011/ 329)  23.2 E36-E22 S42-S35
Download Binary data for this image

» All Filament Data of 20210918 ... 		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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