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20250528 - Filament data for 09 UTC
Available data for 20250528: »06 UTC   »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1447 1578 (N43W21 L=313)  1665    352        0 (1285/1508-1576/1631)  -4.4 W06-W32 N39-N46
      2  843 1480 (N23E21 L=272)   664    131        1 ( 804/1419- 877/1546) -45.0 E25-E17 N19-N26
      3  494 1413 (N12E42 L=250)  1705    271        7 ( 429/1297- 552/1517)  90.0 E48-E38 N04-N19
      4  222 1421 (N09E71 L=221)  1212    152        1 ( 192/1355- 250/1500) -52.1 E75-E67 N04-N13
      5  363 1427 (N11E54 L=239)   767    132        1 ( 323/1386- 385/1480) -63.4 E57-E51 N08-N14
      6  418 1361 (N08E47 L=246)   839    131        4 ( 394/1292- 449/1414) -76.0 E49-E43 N03-N11
      7  515 1285 (N05E37 L=256)   234    106        0 ( 478/1261- 550/1302)  21.8 E38-E33 N03-N06
      8 1856 1182 (N24W61 L=353)   540     57        0 (1830/1150-1877/1213) -31.0 W57-W63 N22-N25
      9  322 1044 (S12E47 L=245)   952    125        3 ( 287/ 982- 359/1106)  76.0 E50-E44 S16-S08
     10  734  888 (S14E15 L=278)   622    223        0 ( 627/ 821- 810/ 937) -13.0 E22-E09 S17-S12
     11 1422  857 (S04W27 L=320)   333    133        0 (1388/ 799-1446/ 903) -56.3 W23-W28 S07-S01
     12 1186  813 (S11W13 L=306)   259     94        1 (1164/ 768-1226/ 844)  68.2 W12-W15 S13-S08
     13 1523  520 (S22W45 L=338)  2426    473        3 (1322/ 423-1716/ 600)  34.2 W34-W59 S31-S13
  
Download Binary data for this image

» All Filament Data of 20250528 ...
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