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20220228 - Filament data for 12 UTC
Available data for 20220228: »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC   »14 UTC   »15 UTC  
Click on image to open sensitive map! 
 
  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1241 1813 (N51E09 L= 83)   535     54        0 (1212/1795-1274/1830)  59.0 E11-E07 N48-N54
      2  809 1749 (N32E36 L= 56)   605     97        0 ( 773/1707- 842/1790) -26.6 E41-E31 N30-N35
      3  445 1647 (N18E58 L= 34)  1438    119        3 ( 397/1614- 504/1691)  24.0 E66-E51 N15-N21
      4  782 1589 (N21E29 L= 63)   259     33        0 ( 768/1561- 801/1613) -76.0 E30-E27 N18-N22
      5 1562  366 (S29W63 L=155)   894    140        0 (1508/ 308-1615/ 409)  90.0 W60-W65 S33-S24
      6  983  225 (S59W32 L=124)  1428    212        1 ( 915/ 146-1051/ 306) -13.2 W18-W52 S62-S54
Download Binary data for this image

» All Filament Data of 20220228 ... 		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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