F A C U L A A C T I V I T Y 3rd quarter 2001 Fwo, Fw, Asf, Psf * 10 Day July August September 1 13 40 868 -1 30 21 684 90 40 10 680 -1 2 6 49 883 0 41 14 574 75 0 20 380 -1 3 28 39 1053 110 37 7 297 -1 40 23 985 110 4 45 38 973 40 33 18 625 35 23 23 750 100 5 57 22 1273 30 34 19 591 120 15 20 750 -1 6 56 3 471 90 50 15 533 160 30 43 740 160 7 53 4 806 80 18 28 960 -1 10 45 575 -1 8 40 0 380 -1 38 33 1210 -1 14 48 1058 0 9 50 10 710 -1 36 42 1014 120 -1 -1 -1 -1 10 40 16 906 0 46 26 636 170 -1 -1 -1 -1 11 30 23 1213 0 8 30 702 30 -1 -1 -1 -1 12 41 23 1053 60 12 34 540 -1 23 33 480 -1 13 20 18 698 0 20 0 160 -1 0 30 410 0 14 33 20 980 -1 23 14 647 90 7 37 557 70 15 48 28 593 90 24 33 834 83 33 40 807 90 16 10 40 330 -1 20 50 1340 110 0 45 425 0 17 18 25 368 0 33 53 775 50 5 45 520 -1 18 26 37 761 30 20 30 1300 110 50 45 790 60 19 28 48 680 15 30 31 921 160 52 30 1244 140 20 53 13 1187 -1 53 20 677 140 -1 -1 -1 -1 21 54 11 904 90 25 20 350 0 10 10 220 -1 22 41 23 849 80 25 27 727 110 17 33 1217 -1 23 35 20 875 40 23 41 1157 175 38 34 1612 105 24 26 24 586 -1 35 27 900 160 30 30 690 90 25 31 21 907 0 22 25 1120 60 80 60 1090 100 26 39 26 691 90 20 46 1246 110 27 43 757 70 27 37 29 927 173 20 40 558 0 90 80 1120 100 28 43 24 704 170 30 32 680 0 25 45 1138 25 29 45 13 748 60 33 20 510 80 26 32 844 50 30 40 24 856 140 42 20 656 110 20 35 610 0 31 26 26 696 0 55 25 650 70 -1 -1 -1 -1 Mean: 36 24 804 58 30 27 760 93 27 36 786 71 31 ( 24) Days 31 ( 26) Days 26 ( 18) Days Explanation of the data: Fwo - number of area shaped facula regions without spots; Fw - number of area shaped facula regions with spots; Asf - total number of the individual faculae observed inside of the fwo- and the fw-areas only; Psf - total number of the single point shaped faculae observed outside of the fwo- and fw-areas only and without the polar faculae. The value "-1" means a observation was not made. All other numbers are the daily means of all observers multiplied by 10. Observers: F.Brandl, H.Bretschneider, M.Delfs ( WFS-Berlin ), M.Holl, E.Junker, A.Reszin, B.Schmidt, H.Stetter, M.Szulc, A.Winzer, M.Winzer Instruments: Refractors and reflectors from 50/600 to 150/2250 mm (apertures between 2 and 6 inches) Compilation and data processing: Michael Delfs, 19 November 2001 Special thanks to the "Berliner Letteverein" (vocational school in Ber- lin's district Tempelhof-Schoeneberg) for using the VAX-computer in the electronic and data engineering compartment.