F A C U L A A C T I V I T Y 4th quarter 1999 Fwo, Fw, Asf, Psf * 10 Day October November December 1 32 26 1034 -1 14 20 426 100 0 0 0 -1 2 27 27 293 40 -1 -1 -1 -1 13 27 427 0 3 40 33 453 50 30 18 662 45 -1 -1 -1 -1 4 30 20 1240 -1 18 25 463 0 10 20 338 70 5 22 34 592 150 20 30 650 0 24 18 658 0 6 7 23 373 0 13 30 313 40 40 30 550 90 7 10 27 583 0 0 37 750 -1 -1 -1 -1 -1 8 30 20 845 -1 10 15 275 -1 27 20 553 -1 9 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 10 -1 -1 -1 -1 -1 -1 -1 -1 20 40 340 60 11 -1 -1 -1 -1 60 40 590 100 30 18 718 90 12 16 30 648 60 22 32 686 73 -1 -1 -1 -1 13 17 30 910 -1 -1 -1 -1 -1 20 15 365 -1 14 25 25 255 80 23 28 513 120 20 10 520 -1 15 43 4 866 80 28 27 883 33 0 10 40 -1 16 34 7 793 90 28 38 975 60 -1 -1 -1 -1 17 28 4 364 50 -1 -1 -1 -1 10 20 165 -1 18 32 12 793 70 -1 -1 -1 -1 28 34 732 35 19 24 16 981 5 -1 -1 -1 -1 34 20 538 80 20 22 26 804 80 20 10 255 -1 60 20 280 25 21 10 23 468 110 -1 -1 -1 -1 60 40 560 80 22 20 30 1148 -1 -1 -1 -1 -1 27 20 847 0 23 35 10 485 -1 20 30 300 -1 20 10 310 -1 24 25 25 735 -1 45 10 375 -1 7 17 450 -1 25 30 33 1120 120 30 25 378 110 0 30 393 -1 26 23 27 800 -1 20 40 285 0 40 40 680 30 27 15 25 200 -1 20 28 506 10 -1 -1 -1 -1 28 10 30 605 -1 10 17 337 -1 -1 -1 -1 -1 29 30 30 750 90 55 15 615 0 -1 -1 -1 -1 30 10 25 345 100 40 10 210 -1 -1 -1 -1 -1 31 20 30 963 -1 -1 -1 -1 -1 15 20 350 -1 Mean: 24 23 695 69 25 25 497 49 23 22 446 47 28 ( 17) Days 21 ( 14) Days 22 ( 12) 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, 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, 21 January 2000 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.