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20210422 - Filament data for 07 UTC
Available data for 20210422: »06 UTC   »07 UTC   »08 UTC   »09 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 1600 1573 (N48W26 L=279)   599     81        0 (1568/1545-1643/1589)  29.1 W22-W31 N44-N50
      2 1789 1430 (N45W50 L=304)   708     79        0 (1760/1401-1829/1447)  20.6 W44-W60 N41-N48
      3 1142  546 (S28W22 L=276)   266     76        1 (1114/ 531-1186/ 572)   0.0 W20-W25 S29-S27
      4  423  513 (S54E35 L=218)  1928    295        2 ( 276/ 473- 546/ 561)   4.1 E62-E19 S57-S49
Download Binary data for this image

» All Filament Data of 20210422 ... 		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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