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20230820 - Filament data for 10 UTC
Available data for 20230820: »05 UTC   »06 UTC   »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC   »14 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1619 1532 (N23W57 L=246)   744    150        1 (1582/1476-1654/1597)  71.6 W53-W59 N19-N28
      2 1422 1530 (N29W40 L=229)   703    278        1 (1311/1490-1555/1575) -33.7 W33-W49 N23-N33
      3 1048 1345 (N25W08 L=197)  1181    264        3 ( 962/1248-1118/1445) -75.1 W03-W10 N18-N33
      4  900 1405 (N32E01 L=188)   255     86        0 ( 871/1369- 935/1438)  36.9 E03-W02 N30-N34
      5  625 1104 (N18E24 L=165)   298    118        0 ( 596/1063- 650/1160) -71.6 E25-E22 N15-N21
      6  839 1044 (N11E11 L=178)   325    148        0 ( 809/ 998- 903/1080)  23.2 E13-E06 N08-N13
      7 1232  862 (S07W09 L=198)   236    124        0 (1214/ 810-1268/ 897)  45.0 W07-W12 S09-S04
      8  967  817 (S04E07 L=182)   433    106        0 ( 924/ 784-1020/ 853) -50.2 E09-E04 S07-S01
      9 1100  675 (S16E02 L=187)   435    150        0 (1069/ 620-1119/ 751)  63.4 E04-W00 S18-S10
     10 1289  594 (S25W09 L=198)  1258    461        0 (1144/ 464-1451/ 738)  26.6 E03-W21 S30-S18
     11 1451  579 (S30W20 L=209)   895    300        0 (1356/ 473-1539/ 666)  29.4 W11-W27 S35-S25
     12  353  530 (S14E60 L=129)   970    113        4 ( 306/ 482- 402/ 562) -10.3 E65-E54 S17-S11
     13  830  477 (S24E24 L=165)   426     80        0 ( 796/ 446- 853/ 518)  31.0 E26-E21 S25-S21
  
Download Binary data for this image

» All Filament Data of 20230820 ...
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