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20210828 - Filament data for 13 UTC
Available data for 20210828: »08 UTC   »10 UTC   »11 UTC   »13 UTC   »15 UTC  
Click on image to open sensitive map! 
 
  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1393 1788 (N43W62 L= 59)   436     60        0 (1378/1753-1411/1819)  14.0 W56-W68 N41-N44
      2 1420 1553 (N28W42 L= 39)   751    141        0 (1375/1512-1477/1601) -76.0 W39-W44 N24-N32
      3  761 1453 (N39E08 L=349)   764    265        1 ( 689/1327- 844/1528) -64.8 E13-E04 N28-N45
      4 1661  838 (S19W37 L= 34)   974    297        0 (1626/ 689-1714/ 947)  54.5 W33-W43 S27-S12
      5 1452  410 (S44W17 L= 14)   874    110        0 (1420/ 366-1494/ 445)  35.5 W13-W21 S46-S40
      6 1332  383 (S42W06 L=  3)   385     71        2 (1288/ 368-1372/ 407) -15.9 W02-W09 S43-S40
Download Binary data for this image

» All Filament Data of 20210828 ... 		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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