F A C U L A A C T I V I T Y 4th quarter 2017 Fwo, Fw, Asf, Psf * 10 Day October November December 1 10 10 200 0 -1 -1 -1 -1 0 0 0 -1 2 10 10 300 0 0 0 0 -1 10 0 100 0 3 10 0 100 0 5 0 195 0 20 0 60 0 4 -1 -1 -1 -1 15 0 175 0 20 0 500 -1 5 10 10 200 -1 10 0 30 0 -1 -1 -1 -1 6 20 10 150 0 25 0 480 -1 -1 -1 -1 -1 7 20 10 380 0 0 0 0 -1 10 0 525 -1 8 15 5 545 0 0 0 0 -1 -1 -1 -1 -1 9 -1 -1 -1 -1 -1 -1 -1 -1 10 0 70 0 10 -1 -1 -1 -1 -1 -1 -1 -1 10 0 20 0 11 0 0 0 -1 5 0 50 0 -1 -1 -1 -1 12 20 0 400 -1 0 0 0 0 -1 -1 -1 -1 13 0 0 0 0 0 0 0 -1 0 0 0 -1 14 10 0 475 -1 -1 -1 -1 -1 -1 -1 -1 -1 15 0 0 0 0 0 10 100 -1 -1 -1 -1 -1 16 7 0 257 0 -1 -1 -1 -1 0 0 0 -1 17 10 0 450 0 30 0 350 -1 0 0 0 -1 18 20 0 275 0 -1 -1 -1 -1 13 0 440 0 19 27 0 257 0 5 0 50 0 -1 -1 -1 -1 20 30 0 210 0 -1 -1 -1 -1 5 5 125 0 21 10 10 160 0 -1 -1 -1 -1 -1 -1 -1 -1 22 15 10 280 0 0 0 0 0 -1 -1 -1 -1 23 -1 -1 -1 -1 0 0 0 -1 -1 -1 -1 -1 24 10 10 170 0 20 0 100 -1 0 0 0 -1 25 0 5 80 0 20 0 150 -1 20 0 100 0 26 0 0 0 0 0 10 170 0 10 0 100 0 27 15 0 140 0 0 0 0 -1 -1 -1 -1 -1 28 -1 -1 -1 -1 30 0 150 -1 20 0 100 -1 29 10 0 100 0 10 10 1280 -1 20 0 110 -1 30 10 3 400 0 10 10 1430 -1 0 0 0 0 31 10 5 165 0 -1 -1 -1 -1 0 0 0 0 Mean: 11 4 219 0 8 2 214 0 9 0 118 0 Days: 26 26 26 22 22 22 22 8 19 19 19 10 (of 31) (of 30) (of 31) 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, 31 March 2018