F A C U L A A C T I V I T Y 3rd quarter 2021 Fwo, Fw, Asf, Psf * 10 Day July August September 1 5 5 30 40 45 5 335 45 20 15 372 20 2 10 5 30 45 25 8 545 17 17 13 457 40 3 12 14 490 13 27 7 337 40 12 12 522 20 4 18 15 905 37 30 10 120 30 25 20 347 27 5 30 10 525 0 0 30 120 60 20 20 333 73 6 12 12 344 27 13 0 70 30 20 3 180 13 7 17 10 260 70 13 0 80 17 15 0 85 13 8 45 5 310 10 43 0 350 0 10 5 150 53 9 10 5 145 0 23 3 360 13 13 25 367 0 10 20 17 293 23 27 7 220 30 13 20 260 0 11 30 15 250 15 13 10 150 0 10 25 240 50 12 13 8 210 0 37 10 287 13 25 25 555 0 13 20 10 170 27 20 15 568 43 20 10 620 0 14 7 10 103 13 25 10 125 70 30 13 947 30 15 0 10 47 20 27 10 217 27 -1 -1 -1 -1 16 20 17 280 0 23 0 260 27 -1 -1 -1 -1 17 13 17 883 20 20 5 270 65 -1 -1 -1 -1 18 28 8 608 0 -1 -1 -1 -1 20 0 55 0 19 20 15 315 0 40 20 190 0 -1 -1 -1 -1 20 25 20 330 95 30 10 280 40 -1 -1 -1 -1 21 7 40 553 13 25 10 350 0 -1 -1 -1 -1 22 3 47 630 10 -1 -1 -1 -1 13 13 87 33 23 27 27 537 23 20 10 245 0 10 20 350 0 24 33 7 490 20 30 10 585 13 -1 -1 -1 -1 25 20 3 640 13 17 10 213 0 40 7 323 13 26 30 3 173 13 25 5 260 20 17 17 747 20 27 13 0 83 53 13 17 603 35 25 10 150 0 28 20 10 70 27 -1 -1 -1 -1 25 20 290 25 29 20 7 193 27 30 0 120 0 27 23 447 0 30 47 0 567 27 30 5 165 35 30 10 340 40 31 35 0 545 0 25 20 270 45 -1 -1 -1 -1 Mean: 20 12 355 22 25 9 275 26 20 14 358 21 Days: 31 31 31 31 28 28 28 28 23 23 23 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: T.Barsch, 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, 27 December 2021