F A C U L A A C T I V I T Y 3rd quarter 1997 Fwo, Fw, Asf, Psf * 10 Day July August September 1 7 0 53 90 18 0 55 25 21 21 461 23 2 17 1 93 120 19 6 199 87 43 25 805 10 3 10 2 100 27 19 8 231 80 17 37 433 40 4 13 0 87 83 18 2 103 80 30 20 430 30 5 14 0 66 50 20 4 219 120 13 25 585 120 6 18 0 88 70 24 10 266 52 12 8 186 40 7 9 3 76 144 19 11 147 33 20 15 268 70 8 20 5 115 40 12 19 307 100 30 10 340 0 9 15 3 173 110 10 18 167 44 20 8 172 30 10 12 2 106 65 10 8 142 108 15 10 175 40 11 8 0 70 40 15 10 128 88 23 14 334 35 12 4 0 14 93 7 27 275 117 30 13 510 95 13 13 0 53 50 7 24 393 62 17 19 354 80 14 18 0 123 90 14 25 463 118 11 14 140 13 15 8 0 80 65 21 7 227 63 6 19 286 53 16 8 0 113 145 17 4 136 26 8 18 356 60 17 10 0 103 270 20 2 153 208 5 23 305 35 18 7 0 87 0 21 0 214 53 14 8 230 20 19 13 0 107 20 17 0 142 110 22 0 152 95 20 15 0 80 30 19 0 130 120 23 0 242 85 21 20 0 70 267 6 6 106 118 23 14 406 47 22 8 5 156 50 13 7 247 30 17 24 581 42 23 4 9 153 23 20 2 210 98 22 13 535 37 24 1 9 97 60 24 0 460 100 31 7 276 40 25 14 8 140 30 16 15 638 62 14 8 177 122 26 8 18 202 17 18 17 658 83 15 4 100 75 27 15 15 288 0 17 7 157 63 20 4 93 50 28 34 0 331 27 18 2 146 148 14 4 99 93 29 28 0 189 30 0 0 0 105 19 8 294 50 30 16 0 65 164 20 0 68 25 20 15 228 40 31 10 0 40 117 20 10 208 7 -1 -1 -1 -1 Mean: 13 3 113 77 16 8 226 82 19 14 318 52 31 (31) days 31 (31) days 30 (30) 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, H.Bretschneider, M.Delfs (Wilhelm - Foerster - Observatory, Berlin), M.Holl, E.Junker, A.Reszin, H.Stetter, M.Szulc, P.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, 11 November 1997 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.