SONNE Sunspot Network, Observers 2nd Quarter 2009 Name Instrument Obs. Days K Factors s r T. N/S Re' Re g Re' Bavais,J. Refr. 60/ 910 5 0 0 0.668 0.701 - 4 0.98 Bonse,J. Refr. 0/ 0 34 0 0 1.459 1.440 - 18 0.89 Brettel,G. Refr. 90/1000 50 0 0 0.875 0.913 - 12 0.86 Bruyland,J. Refr. 0/ 0 8 0 0 0.455 0.500 - 8 0.90 Bulling,A. Refl. 70/1000 10 0 10 1.043 1.119 1.655 16 0.93 Bullon,J.M. Refl. 200/2000 9 0 0 0.827 0.784 - 9 9.99 Bullon,J.M. Refr. 70/ 350 7 0 0 0.000 0.000 - 0 9.99 Bullon,J.M. Refr. 120/1000 61 0 0 0.505 0.574 - 14 0.79 Carels,J. Refr. 150/1200 76 0 76 0.661 0.621 1.663 12 0.83 Claes,J. Refr. 102/ 0 43 0 43 0.837 0.865 1.785 12 0.94 Claeys,L. Refl. 158/ 0 58 0 0 0.647 0.681 - 14 0.86 De Reu,P. Refr. 0/ 0 37 0 0 1.389 1.133 - 13 0.91 Dekelver,J.P. Refr. 0/ 0 66 0 66 0.463 0.474 0.758 11 0.84 Dewaele,K. Refl. 114/ 0 18 0 0 0.675 0.677 - 17 0.78 Dezeure,R. Refr. 0/ 0 76 0 0 1.541 1.602 - 18 0.88 Dufoer,S. Refl. 114/ 0 52 0 52 0.560 0.585 0.819 8 0.91 Feys Refr. 60/ 900 76 0 76 0.492 0.622 0.404 19 0.64 Gubbels,G. Refl. 114/ 0 73 0 73 0.443 0.450 0.887 9 0.88 Joppich,H. Refr. 60/ 900 27 27 27 0.828 0.783 2.451 16 0.73 Kaernfelt,J. Refr. 100/1200 9 0 0 1.964 1.800 - 34 0.42 Lindberg,H.-G. Refr. 102/1000 21 0 39 0.872 0.800 0.000 14 0.89 Mira Pub. Obs. Refr. 150/5845 13 0 13 0.728 0.733 1.995 15 0.91 Morales,G. Refl. 90/2000 86 0 0 0.856 0.934 - 17 0.76 Preller,S. Refr. 70/ 350 16 0 0 0.000 0.000 - 6 9.99 Schott,G.-L. Refr. 80/ 910 20 0 0 2.063 1.954 - 30 0.76 Skerhutt,A. Refr. 60/ 700 20 0 0 0.827 0.872 - 13 0.90 Smit,F. Refr. 80/1200 51 51 51 0.995 0.978 2.284 15 0.77 Stetter,H. Refr. 125/1875 38 38 38 1.720 1.448 8.308 21 9.99 Taillieu,B. Refr. 150/ 0 76 0 0 0.574 0.565 - 13 0.79 Thooris,B. Refl. 114/ 0 69 0 0 0.988 0.947 - 13 0.90 Van Hessche,D. Refl. 250/ 0 20 0 20 0.842 0.884 1.647 11 0.93 Verboven,R. Refl. 150/ 0 69 0 69 0.562 0.551 0.904 10 0.85 Willi,X. Refl. 200/1320 29 0 0 1.346 1.342 - 16 9.99 Standard Observers: Araujo,G. Refr. 80/ 910 89 0 0 0.612 0.626 - 10 0.89 Bachmann,U. Refl. 203/2000 17 0 17 0.595 0.676 0.658 13 0.70 Barnes,H. Refr. 76/ 910 35 0 35 0.780 0.745 1.368 18 0.86 Battaiola,R. Refl. 90/1250 27 0 27 0.856 0.794 1.826 15 0.86 Beltran,G.V. Refl. 200/1600 75 0 0 0.976 0.948 - 14 0.80 Bourgeois,J. Refl. 135/ 800 45 0 0 0.681 0.787 - 15 0.84 Bretschneider,H. Refr. 63/ 840 70 70 70 0.569 0.630 0.919 13 0.84 Bruegger,S. Refr. 80/ 400 63 0 63 0.875 0.894 1.611 13 0.91 Chudy,M. Refr. 60/ 700 74 0 0 0.981 0.939 - 16 0.79 Coeckelberghs,H. Refr. 60/ 415 47 0 47 1.129 0.976 1.716 17 0.85 De Backer,H. Refl. 100/1035 71 0 71 0.752 0.789 1.220 12 0.88 De Ceuninck,E. Refr. 100/ 0 74 0 0 0.539 0.564 - 10 0.90 Deman,G. Refr. 150/ 0 40 0 0 0.580 0.606 - 9 0.93 Dubois,F. Refr. 125/2500 81 0 81 0.602 0.630 0.994 10 0.89 Fritsche,S. Refr. 63/ 840 68 0 0 0.822 0.852 - 16 0.80 Gabriel,A. Refr. 125/ 0 77 0 0 0.655 0.670 - 10 0.88 Hedewig,R. Refr. 80/1200 49 0 0 0.809 0.846 - 16 0.85 Hesse,A. Refr. 100/1000 58 0 0 0.656 0.692 - 12 0.89 Hoerenz,M. Refr. 60/ 700 66 0 66 0.805 0.779 1.428 10 0.89 Holl,M. Refr. 80/ 400 78 0 78 0.794 0.808 1.359 15 0.80 Hurbanovo Obs. Refr. 150/2250 83 83 83 0.766 0.777 1.534 11 0.90 Junker,E. Refr. 50/ 600 42 0 42 0.898 0.783 1.968 13 0.76 KSB Refr. 0/ 0 74 0 0 0.768 0.781 - 13 0.86 Kaczmarek,A. Refr. 80/ 400 24 0 0 0.700 0.867 - 18 0.65 Kandilli Obs. Refr. 200/3070 81 81 0 0.724 0.717 - 11 0.87 Kleber,S. Refl. 70/ 0 60 0 0 1.576 1.471 - 20 0.70 Lau,D. Refr. 60/ 700 54 0 54 1.034 1.034 1.268 11 0.93 Meeus,L. Refr. 102/ 660 64 0 64 0.624 0.642 1.144 11 0.90 Michalovce Obs. Refr. 150/2250 39 39 39 1.008 0.959 3.074 16 0.78 Mochizuki,E. Refr. 90/1000 36 36 0 0.579 0.632 - 10 0.89 Moeller,M. Refr. 79/1000 83 83 83 0.700 0.692 1.172 9 0.93 Noy,J.R. Refr. 80/1200 24 24 24 0.704 0.752 0.884 14 0.65 Rim. Sobota Obs. Refr. 150/2250 76 76 76 0.644 0.689 0.978 10 0.88 Robeck,G. Refl. 203/2000 25 25 25 0.950 0.917 1.945 13 0.96 Ruemmler,F. Refr. 80/1200 63 63 0 0.627 0.716 - 14 0.72 Schroeder,G. Refr. 75/1200 53 53 0 0.906 0.910 - 12 0.93 Seiffert,H.-P. Refr. 100/ 500 45 0 0 0.873 0.894 - 16 0.31 Son,A.T. Refl. 150/4300 62 0 62 0.890 0.925 1.752 15 0.90 Steen,O. Refr. 102/1500 84 0 83 0.636 0.630 1.130 12 0.83 Stemmler,G. Refr. 63/ 670 59 0 0 0.994 0.876 - 16 0.75 Stolzen,P. Refr. 40/ 500 68 0 0 1.020 0.886 - 15 0.81 Suzuki,M. Refr. 100/ 0 68 68 0 0.477 0.558 - 9 0.91 Tiendesprong Obs Refr. 75/1200 58 0 0 0.703 0.690 - 11 0.89 Van Loo,F. Refr. 200/3500 31 0 0 0.911 0.925 - 17 0.88 Van Slooten,B. Refr. 90/1300 87 87 0 0.786 0.742 - 12 0.86 Viertel,A. Refr. 50/ 540 63 0 0 0.960 0.876 - 13 0.86 WFS,Berlin Refr. 150/2250 47 47 0 0.502 0.546 - 9 0.92 ** Number of Observations: 4080 (N/S: 951; Re': 1843) ** ** Number of Observers: 80 (N/S: 17; Re': 35) ** 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.