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20250416 - Filament data for 09 UTC
Available data for 20250416: »06 UTC   »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC   »14 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1  587 1715 (N23E53 L= 75)  1462    219        3 ( 540/1636- 634/1804) -22.6 E68-E44 N18-N29
      2  801 1721 (N29E38 L= 91)   788    127        2 ( 778/1646- 824/1784) -39.3 E43-E32 N24-N33
      3 1193 1680 (N39E11 L=118)   306     67        0 (1162/1660-1232/1695)  53.1 E12-E08 N36-N40
      4 1313 1630 (N39E01 L=128)  1166    145        4 (1254/1572-1367/1690) -36.9 E04-W04 N35-N43
      5 1049 1576 (N27E15 L=113)   871    268        0 ( 965/1528-1127/1632)   9.5 E22-E10 N23-N32
      6  285 1372 (S04E59 L= 69)  3239    367       10 ( 223/1235- 353/1488) -75.1 E68-E51 S12-N03
      7 1632 1275 (N26W31 L=159)   749    103        2 (1586/1235-1675/1323) -38.7 W27-W34 N24-N29
      8  820 1157 (S04E15 L=113)  1485    440        3 ( 760/ 948- 918/1308) -39.8 E21-E03 S12-N03
      9 1336 1245 (N15W11 L=140)   232     79        0 (1318/1202-1349/1285) -45.0 W09-W13 N12-N17
     10 1187 1131 (N05W06 L=134)   413    141        1 (1169/1056-1217/1188) -60.3 W04-W08 N00-N08
     11 1244 1014 (S00W12 L=140)   522    211        1 (1211/ 927-1270/1113) -48.8 W08-W15 S04-N04
     12 1576  461 (S19W56 L=184)  1025    145        1 (1502/ 442-1650/ 484)  32.5 W50-W61 S22-S15
  
Download Binary data for this image

» All Filament Data of 20250416 ...
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