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20230811 - Filament data for 09 UTC
Available data for 20230811: »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1066 1678 (N48W18 L=327)   531    107        0 (1035/1641-1112/1702)  14.0 W14-W22 N45-N50
      2 1163 1590 (N39W22 L=331)   978    151        2 (1116/1538-1213/1654) -90.0 W19-W24 N35-N44
      3 1562 1517 (N26W50 L=358)   396     96        0 (1519/1489-1602/1550) -63.4 W47-W52 N23-N29
      4 1080 1482 (N34W12 L=321)   370    131        2 (1045/1429-1102/1523)  80.5 W10-W14 N30-N36
      5 1385 1375 (N21W30 L=339)   368     85        0 (1331/1359-1429/1390) -18.4 W26-W33 N19-N23
      6  163 1142 (N22E70 L=239)   968    162        3 ( 145/1054- 177/1211) -52.1 E75-E66 N17-N26
      7  485 1107 (N18E35 L=274)   714    232        0 ( 391/1051- 588/1160) -31.0 E42-E27 N13-N22
      8 1713  860 (S16W44 L=353)   548    186        0 (1647/ 794-1765/ 926)  28.6 W38-W49 S18-S12
      9 1483  854 (S11W26 L=335)   731    145        4 (1447/ 789-1524/ 920)  49.4 W23-W29 S14-S07
     10 1790  830 (S20W53 L=  1)  1384    165        4 (1771/ 741-1807/ 918) -76.0 W50-W55 S25-S13
     11  980  790 (S07E06 L=302)   830    208        1 ( 941/ 685-1026/ 869)  57.5 E10-E02 S13-S02
     12 1549  710 (S22W30 L=339)   279     40        1 (1530/ 694-1576/ 731) -45.0 W28-W32 S23-S20
     13 1468  619 (S27W23 L=332)   415    180        0 (1416/ 541-1502/ 689)  52.1 W19-W26 S31-S22
  
Download Binary data for this image

» All Filament Data of 20230811 ...
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