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20220404 - Latest Filament data
Available data for 20220404: »16 UTC  
Click on image to open sensitive map! 
 
  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1  416 1513 (N06E55 L=293)  2089    439        4 ( 290/1364- 508/1677) -87.4 E60-E50 S04-N18
      2 1864 1257 (N36W57 L= 45)   526     66        0 (1833/1238-1896/1270)  22.6 W52-W64 N32-N37
      3  649  786 (S30E16 L=332)   707    247        0 ( 620/ 712- 712/ 905) -48.0 E19-E10 S33-S23
      4  353  814 (S36E42 L=306)  2165    370        3 ( 231/ 710- 499/ 898)  31.5 E60-E29 S46-S27
      5  963  863 (S17W01 L=349)   358     80        1 ( 924/ 827-1003/ 888)  14.0 E01-W03 S18-S15
      6  826  741 (S28E03 L=345)   624    185        2 ( 735/ 722- 908/ 766)  45.0 E08-W01 S31-S23
      7 1484  737 (S08W35 L= 24)   317     91        0 (1434/ 717-1528/ 754)  38.7 W32-W38 S10-S05
      8 1163  691 (S20W18 L=  6)   496     76        3 (1125/ 659-1204/ 725)  59.0 W15-W20 S22-S17
      9 1339  625 (S19W31 L= 19)   222     72        0 (1315/ 603-1365/ 657) -11.3 W28-W33 S19-S17
     10 1318  511 (S25W36 L= 24)   270     86        0 (1271/ 498-1364/ 524)  38.7 W32-W38 S27-S23
     11  474  415 (S63E30 L=318)  1361    160        2 ( 411/ 391- 544/ 444)  19.0 E47-E18 S67-S57
Download Binary data for this image

» All Filament Data of 20220404 ... 		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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