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20230506 - Filament data for 12 UTC
Available data for 20230506: »08 UTC   »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 1744 1278 (N31W44 L=194)  1203    146        1 (1680/1250-1819/1325)   3.6 W37-W53 N28-N33
      2  300 1033 (S20E49 L=101)   591    144        0 ( 260/ 973- 345/1084)  53.1 E52-E45 S24-S16
      3 1327  914 (S02W20 L=171)  1144    298        2 (1275/ 800-1363/1045) -47.7 W13-W23 S08-N03
      4 1231  727 (S15W20 L=171)   314     59        2 (1198/ 706-1265/ 753)  45.0 W18-W21 S16-S13
      5  932  646 (S28W05 L=155)   216     72        1 ( 892/ 622- 967/ 659)  26.6 W02-W06 S29-S26
      6 1587  482 (S19W56 L=206)   494     77        0 (1537/ 468-1624/ 499)  26.6 W51-W59 S20-S17
      7 1025  453 (S37W18 L=169)   395     52        1 ( 995/ 429-1048/ 485)   0.0 W15-W20 S38-S34
Download Binary data for this image

» All Filament Data of 20230506 ... 		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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