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20230525 - Filament data for 13 UTC
Available data for 20230525: »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  768 1578 (N27E30 L=228)  2378    373        7 ( 676/1417- 837/1723) -36.9 E45-E20 N17-N35
      2 1205 1703 (N47E04 L=255)   517    123        1 (1145/1688-1265/1720)  32.0 E08-W00 N45-N50
      3 1703 1277 (N28W43 L=302)   741    151        2 (1645/1223-1777/1316)  -4.1 W37-W51 N26-N29
      4 1279 1221 (N15W11 L=270)   790    195        4 (1250/1132-1308/1301) -63.4 W09-W14 N10-N20
      5 1066  848 (S11W06 L=264)   585    112        2 (1008/ 823-1120/ 884)   8.1 W02-W09 S12-S08
      6 1113  686 (S20W13 L=271)   637    261        1 (1038/ 628-1201/ 727)  33.7 W08-W17 S23-S15
      7  481  386 (S58E39 L=220)  1203    176        1 ( 410/ 364- 558/ 411)  12.5 E54-E26 S61-S53
      8 1029  368 (S43W18 L=277)   622    150        0 ( 953/ 345-1091/ 403)  41.6 W12-W21 S46-S38
      9 1348  346 (S36W44 L=303)   920    131        4 (1282/ 323-1409/ 372)  16.7 W38-W48 S38-S33
  
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» All Filament Data of 20230525 ...
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