Catania Obs (Moeller)  129
 Hubert Joppich          17
 Kanzelhoehe (Moeller)   83
 Georg Robeck            73  
 Frank Ruemmler          43   
 Bob van Slooten         91 
 Slovak Central Obs.     78   
 Friedrich Smit          39
 SOHO (Joppich)          52 
 Hugo Stetter            30
 Wolfgang Strickling     10
 Andreas Tarnutzer       41

 SYNODISCHE SONNENROTATION NR. 2017
 ROTATIONSBEGINN: 2004-05-28.96     ROTATIONSENDE: 2004-06-25.16
 ES HABEN 12 BEOBACHTER INSGESAMT 686 MESSUNGEN AN 19 SONNENFLECKENGRUPPEN GEMACHT

 Def-Nr  Lfd-Nr  Laenge P  Sigma-LP  Breite P  Sigma-BP  Laenge F  Sigma-LF  Breite F  Sigma-BF  Beotg P   Beotg F     Typ
   1       1      335.9      1.2      -11.5      0.7      331.7      0.0      -10.7      0.0        5         1       C  3.5
   2       2      329.5      1.3        8.5      0.7      325.8      0.0        9.2      0.0        2         2       C  4.0
   3       3      300.9      1.6       -0.9      0.5        0.0      0.0        0.0      0.0        3         0       A  3.0
   4       4      285.8      0.9      -14.2      0.8      279.9      0.6      -14.7      0.7       41        27       D  5.4
   5       5      262.7      0.6      -11.1      0.6      261.1      0.9      -11.2      0.6        9         6       B  3.8
   6       6      260.3      0.7        5.1      0.2      258.5      0.5        6.1      0.4        5         3       B  3.5
   7       7      248.4      0.4      -11.2      2.7      244.0      0.5       -7.9      0.7        3        12       C  3.3
   8       8      225.3      0.6       -8.2      0.5      222.0      0.5       -8.4      0.5       39        24       C  4.4
   9       9      214.1      0.6       -8.3      0.7      212.6      0.4       -7.3      0.4        9         2       B  3.2
  10      10      207.0      0.6       -3.6      1.2      203.9      0.6       -4.1      0.6       29        20       B  4.0
  11      11      173.6      0.0       14.7      0.0        0.0      0.0        0.0      0.0        1         0       A  3.0
  12      12      161.7      0.7       -9.4      0.7      157.7      0.9      -10.0      0.5       32        35       B  4.1
  13      13      121.8      0.7      -10.9      0.4        0.0      0.0        0.0      0.0       74         0       J  1.9
  14      14      114.5      0.0       -4.3      0.0      111.1      0.4       -6.1      1.1        2         8       B  3.3
  15      16       80.5      0.6       12.4      0.4       68.7      0.5       11.9      0.5       68        47       E  6.7
  16      15       77.4      1.4      -13.0      1.3       75.6      1.0      -14.6      1.0        7         6       C  4.3
  17      17       64.7      0.4       -8.6      0.6       52.4      0.5      -11.9      0.6       64        60       F  7.7
  18      18       39.4      0.8       -9.0      0.7        0.0      0.0        0.0      0.0        5         0       A  3.0
  19      19       29.1      0.9       -9.0      0.7       24.0      0.9       -9.9      0.7       18        17       C  4.4