F A C U L A A C T I V I T Y 4th quarter 2001 Fwo, Fw, Asf, Psf * 10 Day October November December 1 -1 -1 -1 -1 38 35 505 0 30 30 950 -1 2 22 18 478 0 28 28 506 60 20 30 2400 -1 3 18 32 1183 -1 40 20 1690 -1 -1 -1 -1 -1 4 16 32 1464 50 27 23 947 -1 -1 -1 -1 -1 5 25 38 1083 70 16 30 1074 70 -1 -1 -1 -1 6 29 33 1353 47 -1 -1 -1 -1 -1 -1 -1 -1 7 33 30 960 60 -1 -1 -1 -1 10 10 80 -1 8 46 26 916 60 -1 -1 -1 -1 20 35 475 120 9 57 30 643 50 20 5 360 50 23 33 1130 0 10 42 28 1356 -1 19 36 616 10 55 50 815 -1 11 30 20 310 -1 10 43 1327 -1 -1 -1 -1 -1 12 21 23 1024 120 -1 -1 -1 -1 -1 -1 -1 -1 13 35 26 1315 137 23 35 630 80 43 30 640 35 14 39 23 1239 60 45 38 648 50 30 30 475 0 15 26 32 1342 0 23 20 600 0 45 30 485 60 16 20 40 1357 50 38 20 515 130 40 30 455 40 17 15 25 1445 0 30 25 1355 -1 -1 -1 -1 -1 18 33 43 1073 35 -1 -1 -1 -1 10 40 450 -1 19 38 43 1220 130 -1 -1 -1 -1 -1 -1 -1 -1 20 18 43 1275 75 40 10 320 -1 55 35 655 25 21 35 60 1820 110 27 27 493 -1 -1 -1 -1 -1 22 -1 -1 -1 -1 -1 -1 -1 -1 30 50 1130 80 23 20 10 430 -1 -1 -1 -1 -1 35 35 978 35 24 50 45 805 10 25 20 820 170 40 20 410 -1 25 20 30 1710 -1 17 30 547 -1 -1 -1 -1 -1 26 10 33 2327 130 50 30 605 70 -1 -1 -1 -1 27 27 33 450 60 40 20 340 -1 -1 -1 -1 -1 28 17 23 597 0 -1 -1 -1 -1 10 20 310 0 29 20 20 1080 -1 10 30 330 -1 -1 -1 -1 -1 30 28 18 566 0 10 20 300 -1 0 20 870 -1 31 30 17 690 -1 -1 -1 -1 -1 5 40 1095 -1 Mean: 28 30 1087 57 27 26 692 63 28 32 767 40 29 ( 22) Days 21 ( 11) Days 18 ( 10) 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, 1 February 2002 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.