F A C U L A A C T I V I T Y 2nd quarter 2021 Fwo, Fw, Asf, Psf * 10 Day April May June 1 10 0 85 0 0 10 50 120 10 5 142 23 2 17 0 370 55 5 5 25 60 5 8 123 23 3 7 0 27 37 13 3 53 13 13 10 482 27 4 0 0 0 0 10 0 100 0 10 3 65 10 5 7 7 303 20 10 0 230 0 3 8 335 40 6 7 3 87 30 15 0 40 20 -1 -1 -1 -1 7 5 0 15 0 0 10 77 37 10 30 310 95 8 20 5 50 45 3 13 123 10 13 18 225 0 9 30 0 80 10 4 12 320 27 20 5 165 0 10 10 0 27 60 8 14 404 0 8 3 55 27 11 8 3 190 0 5 5 500 0 13 5 263 23 12 0 5 20 45 -1 -1 -1 -1 20 0 150 20 13 8 0 242 57 -1 -1 -1 -1 23 13 247 13 14 7 0 20 20 10 0 30 0 5 13 205 13 15 5 5 40 75 5 0 28 57 20 10 213 13 16 3 10 93 45 15 5 88 23 10 3 125 30 17 10 15 110 0 10 8 125 13 13 0 115 23 18 30 5 125 50 27 13 357 0 5 5 150 53 19 13 0 47 27 7 23 263 27 12 0 228 43 20 10 18 533 50 8 8 170 13 16 2 264 33 21 3 20 208 27 3 3 17 67 15 5 540 0 22 0 13 67 13 3 3 325 0 5 5 30 40 23 3 3 13 60 8 5 75 13 15 10 335 0 24 8 5 53 0 13 10 432 17 13 7 200 20 25 13 5 428 20 3 7 37 30 25 20 285 20 26 10 3 133 0 10 7 80 43 13 8 158 13 27 24 2 388 0 0 20 150 40 8 10 328 13 28 8 5 95 10 10 17 187 40 10 13 138 27 29 0 10 230 0 10 10 198 17 3 10 153 20 30 13 7 170 20 12 6 428 27 0 0 0 0 31 -1 -1 -1 -1 10 3 63 3 -1 -1 -1 -1 Mean: 9 5 142 26 8 7 171 25 12 8 208 23 Days: 30 30 30 30 29 29 29 29 29 29 29 29 (of 30) (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, 19 September 2021