F A C U L A A C T I V I T Y 2nd quarter 1997 Fwo, Fw, Asf, Psf * 10 Day April May June 1 20 0 110 5 36 0 228 17 17 3 100 8 2 8 5 47 17 32 0 246 27 19 3 121 26 3 30 10 333 15 20 0 119 15 20 0 130 18 4 26 13 379 0 22 0 178 0 21 0 89 16 5 10 0 150 0 10 10 40 0 14 0 89 27 6 26 4 144 0 50 10 310 -1 32 2 224 20 7 28 1 212 17 14 7 163 0 22 8 232 18 8 33 0 180 40 38 10 198 0 13 18 275 0 9 20 0 128 0 33 3 158 20 14 19 224 26 10 8 0 26 40 48 4 208 0 27 3 113 38 11 28 6 126 -1 32 4 168 40 29 1 159 27 12 20 9 180 0 26 0 154 43 17 3 123 14 13 31 11 339 10 21 1 141 10 12 0 55 46 14 27 10 293 0 23 4 116 23 10 2 40 20 15 16 9 117 10 20 10 157 47 8 0 58 33 16 14 10 97 0 33 16 271 17 7 1 59 29 17 19 1 128 63 23 10 134 60 16 0 113 27 18 18 3 115 0 22 4 148 100 23 7 100 14 19 43 0 195 0 27 3 151 95 19 0 90 92 20 29 1 232 10 20 14 190 0 24 4 136 10 21 27 1 180 5 20 20 320 0 25 0 123 33 22 50 0 148 0 15 20 325 0 33 1 167 18 23 20 7 159 7 16 14 210 5 10 0 35 23 24 23 4 160 40 9 16 219 0 28 0 104 13 25 7 3 80 -1 12 20 378 0 15 3 202 95 26 40 4 186 0 12 30 282 35 15 8 98 38 27 27 7 143 -1 30 20 230 -1 5 8 118 115 28 23 8 75 0 19 10 421 20 14 9 164 24 29 30 5 125 -1 10 10 170 0 29 6 304 57 30 10 0 100 60 21 14 265 13 38 0 140 97 31 -1 -1 -1 -1 26 7 247 17 -1 -1 -1 -1 Mean: 24 4 163 13 24 9 211 21 19 4 133 34 30 ( 26) days 31 ( 29) 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), F.Dubois, 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, 9 September 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.