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20250517 - Latest Filament data
Available data for 20250517: »09 UTC   »10 UTC   »12 UTC   »13 UTC   »14 UTC  
Click on image to open sensitive map! 
 
  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1005 1796 (N47E27 L= 49)  3495    362        4 ( 938/1656-1107/1931) -26.0 E54-E11 N38-N59
      2  608 1465 (N15E36 L= 39)   365    105        0 ( 557/1438- 653/1496)  45.0 E39-E34 N12-N17
      3  468 1270 (N00E40 L= 36)  1155    218        0 ( 416/1183- 533/1367)  80.5 E42-E37 S05-N07
      4  752 1198 (N02E19 L= 56)   194     88        0 ( 740/1147- 762/1234) -45.0 E20-E17 N00-N03
      5 1271  941 (S02W16 L= 92)   672    123        3 (1227/ 882-1312/ 986)  71.6 W14-W17 S05-N01
      6 1644  837 (N01W43 L=119)  1793    261        2 (1585/ 740-1690/ 952) -39.8 W36-W49 S04-N06
      7 1662  510 (S17W59 L=135)   459     53        0 (1640/ 491-1687/ 534)  14.0 W56-W62 S18-S15
Download Binary data for this image

» All Filament Data of 20250517 ... 		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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