F A C U L A A C T I V I T Y 3rd quarter 1999 Fwo, Fw, Asf, Psf * 10 Day July August September 1 9 24 559 0 39 26 1150 27 40 15 915 -1 2 18 42 752 70 27 31 893 108 36 18 444 110 3 18 48 1220 90 25 28 1048 80 27 23 1027 70 4 19 51 1227 55 40 24 1264 57 40 23 1233 53 5 17 42 1033 80 34 28 900 120 29 23 878 63 6 13 37 327 130 23 26 729 53 40 19 999 60 7 20 20 538 -1 23 23 980 75 20 38 758 180 8 28 33 918 105 23 23 773 -1 22 46 878 103 9 33 34 776 125 44 20 1012 30 22 32 1044 85 10 23 37 773 100 47 13 930 -1 40 35 985 90 11 36 33 690 40 40 13 470 -1 43 20 815 167 12 20 51 1067 50 30 20 330 -1 29 29 983 100 13 30 40 1965 20 18 20 565 0 40 13 833 90 14 53 17 947 -1 32 34 1050 140 38 12 720 65 15 72 10 974 75 13 23 1217 200 37 20 715 70 16 50 30 806 75 17 20 337 110 20 30 313 80 17 26 36 883 40 45 10 470 180 18 35 853 120 18 14 41 1108 58 33 10 990 0 13 43 550 105 19 13 37 1082 125 35 13 720 40 0 43 1248 0 20 23 28 980 40 53 10 827 0 33 27 763 50 21 15 28 665 45 32 12 724 35 36 16 782 27 22 23 38 855 35 35 5 475 -1 57 20 1097 45 23 -1 -1 -1 -1 38 18 1185 57 48 23 790 120 24 15 15 305 110 18 27 1202 73 50 16 948 95 25 20 34 1022 190 22 40 1333 50 38 10 410 105 26 20 30 353 80 23 50 1313 30 20 10 390 0 27 12 33 571 110 23 33 1013 0 28 24 996 90 28 21 28 996 45 30 20 588 170 30 20 1780 0 29 15 23 970 103 35 28 760 360 30 20 530 -1 30 31 16 785 70 38 22 1032 107 -1 -1 -1 -1 31 25 22 1040 50 35 10 410 -1 -1 -1 -1 -1 Mean: 24 32 873 76 31 22 861 84 32 24 851 79 30 ( 28) Days 31 ( 25) Days 29 ( 27) 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: D.Bannuscher, F.Brandl, H.Bretschneider, M.Delfs ( WFS-Berlin ), M.Holl, E.Junker, A.Reszin, 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, 10 November 1999 Special thanks to the "Berliner Letteverein" (vocational school in Ber- lin's district Schoeneberg) for using the VAX-computer in the elec- tronic and data engineering compartment.