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20210730 - Filament data for 04 UTC
Available data for 20210730: »04 UTC   »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  519 1590 (N48E41 L=344)   349     54        1 ( 498/1564- 542/1620)  76.0 E43-E38 N45-N50
      2 1507  800 (S14W29 L= 54)   398    139        1 (1450/ 757-1557/ 836) -35.5 W25-W32 S17-S10
      3 1699  650 (S27W47 L= 72)   440     56        1 (1678/ 630-1730/ 675) -15.9 W44-W51 S29-S25
      4 1157  540 (S27W04 L= 29)   803    252        2 (1101/ 458-1202/ 672)  63.4 E01-W07 S32-S18
      5 1168  226 (S55W01 L= 26)   469     59        1 (1137/ 210-1206/ 239) -26.6 E01-W05 S56-S53
Download Binary data for this image

» All Filament Data of 20210730 ... 		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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