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20220420 - Filament data for 10 UTC
Available data for 20220420: »05 UTC   »06 UTC   »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC   »14 UTC   »15 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1  423 1657 (N16E65 L= 75)  2318    193       10 ( 348/1602- 477/1726) -83.7 E76-E57 N12-N21
      2  569 1608 (N16E48 L= 93)   324     25        1 ( 546/1591- 590/1629)  90.0 E49-E45 N15-N17
      3  663 1564 (N16E39 L=102)   892    191        4 ( 598/1517- 740/1611)  53.1 E41-E33 N11-N19
      4  742 1489 (N14E30 L=110)   259     24        1 ( 725/1469- 766/1512) -45.0 E31-E28 N12-N14
      5  775  950 (S16E12 L=128)   245     89        0 ( 746/ 914- 804/ 992)  80.5 E13-E11 S18-S12
      6 1451  574 (S17W40 L=181)   273     56        1 (1417/ 555-1481/ 595)  45.0 W38-W41 S18-S15
      7  574  475 (S52E16 L=124)   715    118        1 ( 530/ 448- 627/ 515)  -5.2 E21-E10 S53-S50
Download Binary data for this image

» All Filament Data of 20220420 ... 		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

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