SONNE Sunspot Network, Observers 3rd Quarter 2007 Name Instrument Obs. Days K Factors s r T. N/S Re' Re g Re' Bavais,J. Refr. 60/ 910 10 0 0 0.776 0.793 - 13 0.96 Boschat,M. Refr. 120/1000 59 0 0 0.810 0.790 - 10 0.95 Brettel,G. Refr. 90/1000 44 0 0 0.785 0.798 - 9 0.97 Buck,A. Refl. 125/1875 69 0 0 0.771 0.729 - 10 0.94 Bulling,A. Refl. 70/1000 42 0 42 0.809 0.852 1.275 5 0.99 Capricornio Obs. Refr. 102/1500 52 0 0 0.598 0.698 - 13 0.92 Carels,J. Refr. 150/1200 79 0 79 0.645 0.672 1.141 8 0.96 Claes,J. Refr. 102/ 0 51 0 51 0.716 0.748 1.224 8 0.97 Claeys,L. Refl. 158/ 0 66 0 0 0.790 0.801 - 11 0.95 DKS Eriskirch Refl. 203/2000 5 0 0 1.031 0.849 - 8 0.99 DKS Eriskirch Refr. 152/1824 5 0 0 0.951 0.913 - 6 0.97 Daub,K.-P. Refr. 152/1200 30 0 0 0.761 0.731 - 6 0.99 De Kerchove,A. Refl. 203/2032 16 0 0 1.088 0.942 - 12 0.96 Dezeure,R. Refr. 0/ 0 26 0 0 0.000 0.000 - 21 9.99 Dufoer,S. Refl. 114/ 0 48 0 48 0.818 0.897 1.319 14 0.93 Gadyne,R. Refl. 203/2032 5 0 0 0.741 0.732 - 0 9.99 Goetz,M. Refl. 100/1000 9 0 9 0.841 0.895 1.242 17 0.92 Gubbels,G. Refl. 114/ 0 62 0 62 0.724 0.736 0.938 7 0.98 Hay,K. Refl. 100/ 0 31 0 0 0.913 0.768 - 13 0.93 Hempel,K. Refr. 76/ 700 8 0 0 0.918 0.826 - 4 1.00 Herfurth,A. Refr. 250/1500 13 0 0 0.709 0.705 - 7 0.97 Hesse,A. Refr. 100/1000 23 0 0 0.661 0.716 - 4 0.99 Hofmann,W. Refr. 80/ 400 23 0 0 1.622 1.266 - 21 0.89 Holl,M. Refr. 90/1000 5 0 5 0.669 0.817 1.073 11 0.91 Mira Pub. Obs. Refr. 150/5845 17 0 17 0.673 0.684 1.055 13 0.81 Schirpke,U. Refr. 80/1200 6 0 0 0.679 0.722 - 4 0.99 Smit,F. Refr. 80/1200 59 59 59 0.969 0.929 1.697 8 0.97 Stetter,H. Refr. 125/1875 42 42 42 1.529 1.368 2.908 21 0.83 Szulc,M. Refr. 65/ 800 24 0 24 0.673 0.684 0.898 6 0.97 Taillieu,B. Refr. 150/ 0 68 0 0 0.741 0.726 - 8 0.96 Thooris,B. Refl. 114/ 0 37 0 0 0.821 0.773 - 16 0.87 Tiendesprong Obs Refr. 75/1200 62 0 0 0.733 0.718 - 11 0.94 Van Hessche,D. Refl. 250/ 0 18 0 18 1.176 1.115 1.907 23 0.93 Verboven,R. Refl. 150/ 0 46 0 0 0.898 0.849 - 8 0.98 Willi,X. Refl. 200/1320 45 0 0 1.258 1.275 - 21 0.78 Standard Observers: Araujo,G. Refr. 80/ 910 92 0 0 0.646 0.659 - 7 0.96 Bachmann,U. Refl. 203/2000 25 0 25 0.633 0.728 0.771 11 0.91 Barnes,H. Refr. 76/ 910 35 0 35 0.820 0.798 1.364 14 0.85 Battaiola,R. Refl. 90/1250 49 0 49 0.835 0.798 1.488 9 0.96 Beltran,G.V. Refl. 200/1600 46 0 0 0.896 0.816 - 10 0.92 Bourgeois,J. Refl. 135/ 800 60 0 60 0.657 0.784 0.799 9 0.93 Bretschneider,H. Refr. 63/ 840 60 60 60 0.548 0.609 1.104 9 0.97 Bruegger,S. Refr. 80/ 400 28 0 28 0.772 0.826 1.086 11 0.93 Bullon,J.M. Refr. 102/1500 66 0 0 0.514 0.631 - 15 0.80 Chudy,M. Refr. 60/ 700 36 0 0 0.919 0.826 - 11 0.95 Coeckelberghs,H. Refr. 60/ 415 28 0 28 1.034 0.866 1.753 17 0.84 Conill,J. Refr. 80/ 760 24 0 24 0.772 0.811 1.096 8 0.98 De Backer,H. Refl. 100/1035 71 0 71 0.739 0.776 1.072 11 0.94 De Ceuninck,E. Refr. 100/ 0 82 0 0 0.625 0.673 - 9 0.95 Deman,G. Refr. 150/ 0 43 0 0 0.668 0.700 - 7 0.96 Dubois,F. Refr. 125/2500 82 0 82 0.658 0.698 1.088 8 0.96 Fritsche,S. Refr. 63/ 840 68 0 0 0.766 0.788 - 7 0.98 Gabriel,A. Refr. 125/ 0 91 0 0 0.749 0.754 - 7 0.97 Hedewig,R. Refr. 80/1200 71 0 0 0.790 0.849 - 9 0.97 Hoerenz,M. Refr. 60/ 700 24 0 24 0.768 0.743 1.484 9 0.94 Holl,M. Refr. 80/ 400 74 0 48 0.834 0.818 1.533 9 0.96 Hunstiege,H.J. Refr. 50/ 300 8 0 0 1.120 0.874 - 3 1.00 Hurbanovo Obs. Refr. 150/2250 81 81 81 0.737 0.756 1.309 6 0.98 Joppich,H. Refr. 60/ 900 20 20 20 0.920 0.866 2.111 6 0.99 Junker,E. Refr. 50/ 600 55 0 55 0.852 0.700 1.749 12 0.94 KSB Refr. 0/ 0 73 0 0 0.705 0.739 - 7 0.98 Kaczmarek,A. Refr. 80/ 400 22 0 0 0.705 0.886 - 14 0.92 Kandilli Obs. Refr. 200/3070 87 87 0 0.792 0.774 - 8 0.97 Kleber,S. Refl. 70/ 0 36 0 0 1.079 1.001 - 19 0.87 Kysucka Obs. Refr. 200/3000 71 0 0 0.689 0.760 - 11 0.95 Lau,D. Refr. 60/ 700 58 0 58 0.856 0.808 1.368 12 0.94 Meeus,L. Refr. 102/ 660 50 0 50 0.648 0.681 1.133 5 0.99 Michalovce Obs. Refr. 150/2250 39 39 39 0.839 0.813 1.562 10 0.97 Mochizuki,E. Refr. 90/1000 60 60 0 0.628 0.678 - 9 0.94 Moeller,M. Refr. 79/1000 73 73 73 0.724 0.727 1.104 6 0.98 Morales,G. Refl. 90/2000 88 0 0 0.576 0.625 - 16 0.85 Noy,J.R. Refr. 80/1200 17 17 17 0.701 0.774 0.791 6 0.98 Rim. Sobota Obs. Refr. 150/2250 84 84 84 0.653 0.708 1.027 7 0.98 Robeck,G. Refl. 203/2000 76 76 76 0.925 0.862 1.937 9 0.97 Ruemmler,F. Refr. 80/1200 61 60 0 0.628 0.678 - 8 0.97 Schott,G.-L. Refr. 80/ 910 43 0 0 1.048 0.862 - 21 0.89 Schroeder,G. Refr. 75/1200 70 70 0 0.838 0.854 - 10 0.96 Seiffert,H.-P. Refr. 100/ 500 38 0 0 0.816 0.822 - 16 0.92 Son,A.T. Refl. 150/4300 46 0 36 0.822 0.830 1.505 7 0.99 Steen,O. Refr. 102/1500 87 0 87 0.701 0.692 1.223 8 0.96 Stemmler,G. Refr. 63/ 670 60 0 0 1.067 0.946 - 15 0.92 Stolzen,P. Refr. 40/ 500 49 0 0 1.078 0.907 - 13 0.92 Suzuki,M. Refr. 100/ 0 76 76 0 0.489 0.588 - 12 0.91 Van Heek,K.H. Refl. 100/1000 11 0 0 0.856 0.822 - 5 0.98 Van Loo,F. Refr. 200/3500 24 0 0 0.811 0.794 - 14 0.89 Van Slooten,B. Refr. 90/1300 82 82 0 0.834 0.769 - 9 0.98 Viertel,A. Refr. 50/ 540 41 0 0 0.965 0.866 - 11 0.96 WFS,Berlin Refr. 150/2250 35 35 0 0.528 0.590 - 11 0.95 ** Number of Observations: 4081 (N/S: 1021; Re': 1666) ** ** Number of Observers: 88 (N/S: 17; Re': 36) ** Legend: Obs. Days: Number of observations of T. N/S Re': Wolf number (Total, N/S), sunspot number according to BECK K Factors: k factors used for reduction of Re g Re': Wolf number, group number, sunspot number according to BECK s: Deviation of Wolf numbers (reduced to Re=100) r: Correlation Observers with less then 5 observations have been excluded this quarter.