F A C U L A A C T I V I T Y 2nd quarter 1999 Fwo, Fw, Asf, Psf * 10 Day April May June 1 31 24 644 100 19 23 589 43 26 21 618 90 2 50 14 544 45 10 32 821 50 20 26 754 50 3 23 21 550 55 27 22 659 80 19 25 755 143 4 26 11 629 75 26 20 776 70 20 28 524 160 5 30 17 812 30 20 33 665 33 22 45 1185 95 6 14 22 480 0 13 30 288 210 27 37 608 105 7 50 10 795 -1 21 51 761 55 25 28 855 60 8 33 13 550 -1 23 40 470 75 15 25 310 -1 9 38 27 773 37 24 30 697 105 22 26 328 75 10 35 10 705 0 24 32 1178 55 23 17 827 63 11 23 0 170 60 30 13 807 0 25 10 765 0 12 50 0 460 70 30 20 950 0 34 22 600 27 13 28 12 540 30 13 15 398 40 20 23 833 10 14 23 15 380 50 31 20 581 55 6 34 658 0 15 40 25 425 80 44 32 828 50 17 53 740 70 16 30 0 320 0 18 33 705 -1 32 25 695 40 17 10 20 140 60 20 43 1043 33 41 21 926 107 18 34 26 722 10 19 27 689 63 28 12 304 105 19 31 16 584 0 18 24 508 27 13 25 655 -1 20 43 13 554 20 23 25 493 150 30 37 490 130 21 20 5 120 0 23 37 543 110 13 37 370 0 22 34 12 348 70 13 37 403 40 14 36 838 320 23 20 22 420 100 18 22 440 70 15 45 470 0 24 19 24 454 43 27 32 732 55 10 32 648 130 25 33 7 407 40 20 26 482 -1 10 43 505 60 26 33 7 313 40 14 36 680 65 18 30 845 85 27 24 6 202 45 9 39 811 130 33 23 370 120 28 31 8 465 40 23 30 860 75 37 17 387 130 29 22 16 415 23 13 28 759 65 33 13 548 60 30 26 14 535 70 20 20 723 95 24 24 540 100 31 -1 -1 -1 -1 32 0 300 50 -1 -1 -1 -1 Mean: 30 14 482 43 21 28 666 67 22 28 632 83 30 ( 28) Days 31 ( 29) Days 30 ( 28) 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, 18 August 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.