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20230430 - Filament data for 13 UTC
Available data for 20230430: »06 UTC   »07 UTC   »08 UTC   »12 UTC   »13 UTC   »14 UTC   »15 UTC   »16 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1220 1835 (N56E19 L=210)  1515    166        3 (1165/1781-1295/1892) -15.9 E30-E08 N53-N62
      2  917 1615 (N28E25 L=204)  1062    297        3 ( 798/1533-1020/1684)  -8.1 E35-E14 N25-N29
      3 1350 1480 (N32W07 L=236)   673    131        0 (1307/1426-1395/1528) -26.6 W03-W11 N29-N34
      4 1024 1390 (N16E10 L=219)   245    112        1 ( 981/1351-1068/1422) -18.4 E12-E06 N15-N17
      5  255 1266 (S09E59 L=169)   979    119        1 ( 220/1214- 298/1302)  50.2 E62-E55 S12-S06
      6 1318 1190 (N13W12 L=241)   646    216        0 (1300/1088-1345/1282) -80.5 W10-W14 N06-N18
      7 1540 1006 (N09W31 L=260)   253    137        0 (1523/ 951-1570/1056) -81.9 W29-W32 N05-N12
      8  630  967 (S17E22 L=207)   328     96        1 ( 571/ 951- 679/ 977)  15.9 E25-E18 S18-S15
      9  227  891 (S32E57 L=172)   397     84        0 ( 203/ 850- 254/ 925)  45.0 E60-E52 S34-S28
     10  942  671 (S26W05 L=234)   267    133        1 ( 890/ 631- 995/ 720)  60.3 W02-W07 S29-S22
     11  258  675 (S46E56 L=172)   769    120        2 ( 220/ 631- 294/ 717)  23.6 E67-E49 S49-S42
     12 1483  628 (S13W40 L=269)   355    101        0 (1445/ 588-1503/ 670) -15.9 W35-W42 S15-S11
  
Download Binary data for this image

» All Filament Data of 20230430 ...
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