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20230317 - Filament data for 13 UTC
Available data for 20230317: »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  580 1701 (N22E52 L= 38)  1828    278        4 ( 531/1612- 650/1812) -24.9 E68-E40 N17-N30
      2  909 1713 (N31E29 L= 61)   326     66        0 ( 873/1689- 941/1735)   0.0 E32-E26 N29-N32
      3 1320 1250 (N13W11 L=100)   543    213        0 (1275/1160-1365/1342) -38.7 W05-W15 N09-N17
      4 1431 1249 (N17W17 L=107)   474    120        0 (1381/1225-1489/1283)   0.0 W13-W21 N14-N18
      5 1349  495 (S27W38 L=128)   253     30        0 (1324/ 475-1374/ 515)  56.3 W36-W38 S28-S24
      6 1557  437 (S23W57 L=147)  1418    163        2 (1509/ 392-1632/ 478)  49.4 W53-W61 S25-S17
      7 1378  399 (S31W46 L=136)   317     95        0 (1334/ 380-1430/ 412)  31.0 W43-W50 S33-S28
Download Binary data for this image

» All Filament Data of 20230317 ... 		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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