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20240131 - Filament data for 10 UTC
Available data for 20240131: »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  942 1780 (N43E20 L=166)   421     58        1 ( 922/1752- 970/1811) -45.0 E23-E18 N40-N46
      2  428 1530 (N19E50 L=137)  1119    155        3 ( 383/1469- 462/1604) -83.7 E53-E46 N14-N23
      3 1272 1461 (N24W10 L=196)   585     92        3 (1233/1422-1306/1504)  71.6 W07-W12 N21-N27
      4  440 1370 (N08E43 L=144)   395     94        3 ( 393/1346- 484/1397)   0.0 E46-E39 N06-N10
      5 1870 1263 (N23W61 L=248)  2464    298        2 (1753/1162-1931/1354) -17.7 W48-W71 N17-N26
      6 1334 1316 (N16W15 L=202)   332     83        0 (1290/1297-1384/1337)  -9.5 W12-W18 N14-N16
      7  665 1224 (N02E24 L=162)   466    184        1 ( 598/1173- 730/1257)  -6.3 E28-E19 N00-N03
      8 1124 1167 (N04W04 L=191)   362    127        1 (1079/1109-1159/1209) -45.0 W00-W06 N00-N06
      9  774 1043 (S08E15 L=172)   268     92        0 ( 750/ 992- 799/1076)  80.5 E16-E13 S11-S05
     10  901  907 (S14E06 L=181)   274    152        0 ( 840/ 876- 927/ 960)  50.2 E09-E04 S16-S10
     11 1555  869 (S07W35 L=222)   487     64        2 (1529/ 839-1592/ 903)  45.0 W33-W37 S08-S05
     12  848  779 (S23E08 L=179)   665    185        0 ( 775/ 753- 929/ 811)   5.7 E12-E02 S24-S20
     13 1463  708 (S18W33 L=220)   699    264        1 (1334/ 657-1575/ 744)  28.1 W25-W40 S22-S14
  
Download Binary data for this image

» All Filament Data of 20240131 ...
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