F A C U L A A C T I V I T Y 3rd quarter 2017 Fwo, Fw, Asf, Psf * 10 Day July August September 1 20 10 200 0 10 10 375 0 0 10 150 0 2 25 10 415 0 30 10 790 0 5 5 100 0 3 20 0 377 0 13 10 720 0 5 20 380 0 4 20 0 610 0 20 7 587 0 10 23 530 0 5 13 5 190 5 20 0 140 0 0 23 517 0 6 17 7 407 0 10 0 303 0 0 0 0 0 7 15 10 285 0 20 0 390 0 10 5 175 0 8 25 10 240 5 10 0 150 0 -1 -1 -1 -1 9 20 0 115 0 17 0 307 0 10 20 300 0 10 30 0 450 0 0 0 0 0 0 20 513 0 11 20 0 730 0 -1 -1 -1 -1 0 20 440 0 12 10 0 100 0 0 0 0 0 10 10 920 -1 13 13 3 147 5 15 5 250 0 10 10 1100 -1 14 15 10 390 0 15 8 278 0 20 0 580 -1 15 10 5 200 0 10 10 338 0 13 3 215 0 16 15 15 575 0 0 10 180 0 -1 -1 -1 -1 17 18 13 468 0 5 5 345 0 10 0 240 0 18 27 3 580 5 0 0 0 0 10 5 510 0 19 27 0 183 0 13 0 300 0 20 0 150 0 20 15 0 150 0 3 10 317 0 10 20 310 0 21 13 0 287 0 10 7 473 0 0 20 110 -1 22 10 0 180 0 10 10 310 0 7 10 440 0 23 20 0 250 15 7 7 440 0 25 5 555 0 24 -1 -1 -1 -1 0 10 440 0 10 10 760 -1 25 -1 -1 -1 -1 10 13 703 0 0 20 700 0 26 20 0 250 0 5 10 320 0 10 20 1080 0 27 -1 -1 -1 -1 0 10 200 0 13 13 750 0 28 30 0 510 0 7 10 320 0 0 0 0 0 29 33 0 530 0 0 23 627 0 13 3 357 0 30 27 0 493 0 7 20 753 0 10 10 270 0 31 27 0 450 0 0 20 400 0 -1 -1 -1 -1 Mean: 20 4 349 1 9 7 359 0 8 11 434 0 Days: 28 28 28 28 30 30 30 30 28 28 28 23 (of 31) (of 31) (of 30) 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 Instruments: Refractors and reflectors from 50/600 to 150/2250 mm (apertures between 2 and 6 inches) Compilation and data processing: Michael Delfs, 08 November 2017