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20220412 - Filament data for 14 UTC
Available data for 20220412: »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 1088 1788 (N43E25 L=219)  1206    137        1 (1038/1720-1144/1836) -81.3 E27-E21 N36-N49
      2 1436 1471 (N33W12 L=256)   827    141        1 (1410/1385-1457/1528) -74.7 W09-W14 N26-N37
      3 1653 1385 (N35W31 L=275)  1455    292        1 (1578/1250-1711/1485) -35.5 W23-W37 N28-N40
      4 1775 1070 (N20W47 L=291)   319     58        0 (1761/1033-1785/1103) -53.1 W44-W48 N17-N21
      5  871  969 (S13E07 L=237)   262     49        0 ( 843/ 937- 893/ 995) -14.0 E08-E04 S14-S11
      6 1066  764 (S19W10 L=254)   488    189        1 ( 998/ 740-1146/ 811)  16.7 W04-W14 S21-S15
      7  869  544 (S38W06 L=250)   273     70        0 ( 838/ 509- 901/ 572)  68.2 W04-W07 S40-S35
      8 1036  417 (S40W23 L=267)   413    141        0 ( 992/ 383-1062/ 481) -76.0 W20-W25 S43-S35
      9 1237  279 (S41W48 L=292)   636    105        0 (1185/ 251-1291/ 302)  15.3 W42-W53 S42-S39
  
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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