Sunspot Records 1950–2007
13,360 / 15,663 sheets usableYears usable / all sheets
19502 / 9
1951253 / 266
1952270 / 291
1953287 / 303
1954286 / 292
1955284 / 299
1956270 / 299
1957262 / 299
1958264 / 307
1959231 / 280
1960235 / 271
1961233 / 261
1962210 / 254
1963194 / 258
1964246 / 274
1965245 / 280
1966224 / 261
1967244 / 297
1968241 / 278
1969224 / 266
1970262 / 291
1971274 / 283
1972231 / 251
1973263 / 303
1974279 / 292
1975280 / 302
1976257 / 287
1977246 / 275
1978239 / 271
1979209 / 285
1980207 / 256
1981248 / 288
1982254 / 301
1983229 / 295
1984260 / 290
1985271 / 292
1986262 / 278
1987221 / 254
1988215 / 272
1989187 / 209
1990168 / 293
1991217 / 252
1992222 / 273
1993241 / 265
1994257 / 283
1995266 / 275
1996111 / 235
1997218 / 237
1998211 / 248
1999181 / 265
2000173 / 272
2001203 / 276
200282 / 279
2003239 / 252
2004266 / 280
2005216 / 236
2006221 / 238
2007269 / 284
Sheets of 1989 209 sheets · 187 usable · mean R 209.2
| Drawing | Date | g | f | R | Reading |
|---|---|---|---|---|---|
| Drawing | 01.01.1989 | 9 | 123 | 213 | all checks consistent |
| Drawing | 02.01.1989 | 11 | 106 | 216 | all checks consistent |
| Drawing | 03.01.1989 | 12 | 58 | 178 | all checks consistent |
| Drawing | 04.01.1989 | 8 | 86 | 166 | all checks consistent |
| Drawing | 05.01.1989 | 10 | 89 | 189 | all checks consistent |
| Drawing | 06.01.1989 | 10 | 75 | 175 | all checks consistent |
| Drawing | 09.01.1989 | 7 | 127 | 197 | all checks consistent |
| Drawing | 10.01.1989 | 9 | 135 | 225 | all checks consistent |
| Drawing | 11.01.1989 | 13 | 112 | 242 | all checks consistent |
| Drawing | 12.01.1989 | 12 | 126 | 246 | all checks consistent |
| Drawing | 13.01.1989 | 16 | 145 | 305 | counts consistent, some coordinates doubtful |
| Drawing | 14.01.1989 | 14 | 167 | 307 | all checks consistent |
| Drawing | 15.01.1989 | 9 | 110 | 200 | all checks consistent |
| Drawing | 16.01.1989 | 9 | 145 | 235 | all checks consistent |
| Drawing | 17.01.1989 | — | — | — | reading could not be verified |
| Drawing | 18.01.1989 | 8 | 98 | 178 | all checks consistent |
| Drawing | 19.01.1989 | 8 | 51 | 131 | all checks consistent |
| Drawing | 20.01.1989 | 9 | 34 | 124 | all checks consistent |
| Drawing | 21.01.1989 | 11 | 63 | 173 | all checks consistent |
| Drawing | 22.01.1989 | 15 | 78 | 228 | all checks consistent |
| Drawing | 23.01.1989 | 15 | 80 | 230 | counts consistent, some coordinates doubtful |
| Drawing | 31.01.1989 | 12 | 101 | 221 | all checks consistent |
| Drawing | 01.02.1989 | 13 | 95 | 225 | all checks consistent |
| Drawing | 02.02.1989 | 11 | 87 | 197 | all checks consistent |
| Drawing | 03.02.1989 | 15 | 79 | 229 | all checks consistent |
| Drawing | 04.02.1989 | 14 | 67 | 207 | all checks consistent |
| Drawing | 05.02.1989 | 12 | 49 | 169 | all checks consistent |
| Drawing | 07.02.1989 | 11 | 67 | 177 | all checks consistent |
| Drawing | 08.02.1989 | 9 | 61 | 151 | all checks consistent |
| Drawing | 09.02.1989 | 8 | 116 | 196 | all checks consistent |
| Drawing | 11.02.1989 | 8 | 141 | 221 | all checks consistent |
| Drawing | 12.02.1989 | 11 | 178 | 288 | all checks consistent |
| Drawing | 13.02.1989 | 13 | 245 | 375 | all checks consistent |
| Drawing | 14.02.1989 | 10 | 196 | 296 | all checks consistent |
| Drawing | 15.02.1989 | 11 | 119 | 229 | all checks consistent |
| Drawing | 17.02.1989 | 13 | 182 | 312 | all checks consistent |
| Drawing | 18.02.1989 | 12 | 106 | 226 | all checks consistent |
| Drawing | 19.02.1989 | 10 | 146 | 246 | all checks consistent |
| Drawing | 20.02.1989 | 12 | 142 | 262 | all checks consistent |
| Drawing | 21.02.1989 | 8 | 144 | 224 | all checks consistent |
| Drawing | 23.02.1989 | 6 | 105 | 165 | all checks consistent |
| Drawing | 24.02.1989 | 12 | 165 | 285 | all checks consistent |
| Drawing | 25.02.1989 | — | — | — | reading could not be verified |
| Drawing | 26.02.1989 | 11 | 114 | 224 | all checks consistent |
| Drawing | 28.02.1989 | 10 | 67 | 167 | all checks consistent |
| Drawing | 01.03.1989 | 11 | 52 | 162 | all checks consistent |
| Drawing | 02.03.1989 | 8 | 52 | 132 | all checks consistent |
| Drawing | 03.03.1989 | 8 | 62 | 142 | all checks consistent |
| Drawing | 04.03.1989 | 9 | 41 | 131 | all checks consistent |
| Drawing | 08.03.1989 | 7 | 86 | 156 | all checks consistent |
| Drawing | 09.03.1989 | 8 | 142 | 222 | all checks consistent |
| Drawing | 10.03.1989 | — | — | — | reading could not be verified |
| Drawing | 15.03.1989 | 9 | 127 | 217 | all checks consistent |
| Drawing | 16.03.1989 | 10 | 160 | 260 | all checks consistent |
| Drawing | 17.03.1989 | 13 | 179 | 309 | all checks consistent |
| Drawing | 18.03.1989 | 11 | 140 | 250 | all checks consistent |
| Drawing | 19.03.1989 | 9 | 80 | 170 | all checks consistent |
| Drawing | 21.03.1989 | 10 | 88 | 188 | all checks consistent |
| Drawing | 22.03.1989 | 10 | 141 | 241 | all checks consistent |
| Drawing | 23.03.1989 | 9 | 134 | 224 | all checks consistent |
| Drawing | 26.03.1989 | — | — | — | reading could not be verified |
| Drawing | 27.03.1989 | 7 | 54 | 124 | all checks consistent |
| Drawing | 28.03.1989 | 8 | 56 | 136 | all checks consistent |
| Drawing | 29.03.1989 | 9 | 50 | 140 | all checks consistent |
| Drawing | 30.03.1989 | — | — | — | reading could not be verified |
| Drawing | 31.03.1989 | 9 | 45 | 135 | counts consistent, some coordinates doubtful |
| Drawing | 01.04.1989 | 9 | 78 | 168 | all checks consistent |
| Drawing | 02.04.1989 | 10 | 59 | 159 | all checks consistent |
| Drawing | 03.04.1989 | 12 | 85 | 205 | all checks consistent |
| Drawing | 04.04.1989 | 10 | 78 | 178 | all checks consistent |
| Drawing | 05.04.1989 | 7 | 78 | 148 | all checks consistent |
| Drawing | 06.04.1989 | 10 | 97 | 197 | all checks consistent |
| Drawing | 07.04.1989 | 15 | 106 | 256 | counts consistent, some coordinates doubtful |
| Drawing | 08.04.1989 | 15 | 123 | 273 | all checks consistent |
| Drawing | 09.04.1989 | 14 | 61 | 201 | counts consistent, some coordinates doubtful |
| Drawing | 10.04.1989 | 11 | 45 | 155 | all checks consistent |
| Drawing | 11.04.1989 | 11 | 30 | 140 | all checks consistent |
| Drawing | 12.04.1989 | 9 | 45 | 135 | counts consistent, some coordinates doubtful |
| Drawing | 13.04.1989 | 8 | 30 | 110 | all checks consistent |
| Drawing | 14.04.1989 | 8 | 76 | 156 | all checks consistent |
| Drawing | 15.04.1989 | 8 | 71 | 151 | all checks consistent |
| Drawing | 16.04.1989 | 8 | 102 | 182 | all checks consistent |
| Drawing | 17.04.1989 | 8 | 102 | 182 | all checks consistent |
| Drawing | 18.04.1989 | 7 | 98 | 168 | all checks consistent |
| Drawing | 19.04.1989 | 8 | 88 | 168 | all checks consistent |
| Drawing | 20.04.1989 | 9 | 102 | 192 | all checks consistent |
| Drawing | 21.04.1989 | 10 | 123 | 223 | all checks consistent |
| Drawing | 23.04.1989 | 9 | 80 | 170 | all checks consistent |
| Drawing | 24.04.1989 | — | — | — | reading could not be verified |
| Drawing | 25.04.1989 | 9 | 73 | 163 | all checks consistent |
| Drawing | 26.04.1989 | 10 | 88 | 188 | all checks consistent |
| Drawing | 27.04.1989 | 7 | 127 | 197 | counts consistent, some coordinates doubtful |
| Drawing | 28.04.1989 | 6 | 76 | 136 | all checks consistent |
| Drawing | 29.04.1989 | 7 | 75 | 145 | all checks consistent |
| Drawing | 30.04.1989 | 8 | 63 | 143 | all checks consistent |
| Drawing | 01.05.1989 | 7 | 41 | 111 | all checks consistent |
| Drawing | 02.05.1989 | 8 | 61 | 141 | all checks consistent |
| Drawing | 04.05.1989 | — | — | — | reading could not be verified |
| Drawing | 05.05.1989 | 6 | 86 | 146 | all checks consistent |
| Drawing | 06.05.1989 | 8 | 79 | 159 | all checks consistent |
| Drawing | 07.05.1989 | 12 | 94 | 214 | all checks consistent |
| Drawing | 08.05.1989 | 13 | 149 | 279 | all checks consistent |
| Drawing | 09.05.1989 | 12 | 96 | 216 | counts consistent, some coordinates doubtful |
| Drawing | 10.05.1989 | 11 | 144 | 254 | all checks consistent |
| Drawing | 11.05.1989 | 12 | 140 | 260 | counts consistent, some coordinates doubtful |
| Drawing | 12.05.1989 | 10 | 61 | 161 | all checks consistent |
| Drawing | 13.05.1989 | 9 | 96 | 186 | all checks consistent |
| Drawing | 14.05.1989 | 9 | 75 | 165 | all checks consistent |
| Drawing | 15.05.1989 | 11 | 90 | 200 | all checks consistent |
| Drawing | 17.05.1989 | — | — | — | reading could not be verified |
| Drawing | 18.05.1989 | 12 | 104 | 224 | all checks consistent |
| Drawing | 19.05.1989 | 15 | 106 | 256 | all checks consistent |
| Drawing | 20.05.1989 | 13 | 163 | 293 | counts consistent, some coordinates doubtful |
| Drawing | 22.05.1989 | 12 | 158 | 278 | all checks consistent |
| Drawing | 27.05.1989 | 12 | 105 | 225 | all checks consistent |
| Drawing | 29.05.1989 | 12 | 65 | 185 | all checks consistent |
| Drawing | 30.05.1989 | 12 | 98 | 218 | all checks consistent |
| Drawing | 31.05.1989 | — | — | — | reading could not be verified |
| Drawing | 02.06.1989 | — | — | — | reading could not be verified |
| Drawing | 03.06.1989 | 13 | 136 | 266 | all checks consistent |
| Drawing | 04.06.1989 | 12 | 97 | 217 | all checks consistent |
| Drawing | 05.06.1989 | 16 | 119 | 279 | all checks consistent |
| Drawing | 06.06.1989 | 10 | 73 | 173 | all checks consistent |
| Drawing | 07.06.1989 | 13 | 121 | 251 | all checks consistent |
| Drawing | 08.06.1989 | 8 | 87 | 167 | all checks consistent |
| Drawing | 09.06.1989 | 11 | 132 | 242 | all checks consistent |
| Drawing | 11.06.1989 | 13 | 200 | 330 | all checks consistent |
| Drawing | 12.06.1989 | 11 | 242 | 352 | all checks consistent |
| Drawing | 13.06.1989 | 12 | 140 | 260 | all checks consistent |
| Drawing | 14.06.1989 | 12 | 306 | 426 | counts consistent, some coordinates doubtful |
| Drawing | 15.06.1989 | 13 | 240 | 370 | all checks consistent |
| Drawing | 16.06.1989 | 16 | 201 | 361 | all checks consistent |
| Drawing | 17.06.1989 | — | — | — | reading could not be verified |
| Drawing | 18.06.1989 | 14 | 140 | 280 | all checks consistent |
| Drawing | 19.06.1989 | 15 | 177 | 327 | all checks consistent |
| Drawing | 20.06.1989 | 16 | 99 | 259 | all checks consistent |
| Drawing | 21.06.1989 | 16 | 95 | 255 | all checks consistent |
| Drawing | 22.06.1989 | — | — | — | reading could not be verified |
| Drawing | 23.06.1989 | 15 | 113 | 263 | all checks consistent |
| Drawing | 24.06.1989 | — | — | — | reading could not be verified |
| Drawing | 25.06.1989 | 14 | 161 | 301 | all checks consistent |
| Drawing | 26.06.1989 | 14 | 165 | 305 | all checks consistent |
| Drawing | 27.06.1989 | 14 | 238 | 378 | counts consistent, some coordinates doubtful |
| Drawing | 28.06.1989 | 8 | 157 | 237 | all checks consistent |
| Drawing | 29.06.1989 | — | — | — | reading could not be verified |
| Drawing | 30.06.1989 | — | — | — | reading could not be verified |
| Drawing | 01.07.1989 | 10 | 65 | 165 | all checks consistent |
| Drawing | 02.07.1989 | — | — | — | reading could not be verified |
| Drawing | 03.07.1989 | 10 | 77 | 177 | all checks consistent |
| Drawing | 04.07.1989 | 10 | 63 | 163 | all checks consistent |
| Drawing | 05.07.1989 | 13 | 90 | 220 | all checks consistent |
| Drawing | 06.07.1989 | 9 | 71 | 161 | all checks consistent |
| Drawing | 07.07.1989 | 12 | 113 | 233 | all checks consistent |
| Drawing | 08.07.1989 | — | — | — | reading could not be verified |
| Drawing | 09.07.1989 | 10 | 89 | 189 | all checks consistent |
| Drawing | 10.07.1989 | 6 | 52 | 112 | all checks consistent |
| Drawing | 11.07.1989 | — | — | — | reading could not be verified |
| Drawing | 12.07.1989 | 7 | 23 | 93 | all checks consistent |
| Drawing | 13.07.1989 | 9 | 42 | 132 | all checks consistent |
| Drawing | 14.07.1989 | 11 | 58 | 168 | counts consistent, some coordinates doubtful |
| Drawing | 15.07.1989 | 8 | 57 | 137 | all checks consistent |
| Drawing | 16.07.1989 | 8 | 47 | 127 | all checks consistent |
| Drawing | 17.07.1989 | 7 | 52 | 122 | all checks consistent |
| Drawing | 18.07.1989 | 9 | 75 | 165 | all checks consistent |
| Drawing | 19.07.1989 | 11 | 112 | 222 | all checks consistent |
| Drawing | 20.07.1989 | 10 | 99 | 199 | all checks consistent |
| Drawing | 21.07.1989 | 9 | 137 | 227 | all checks consistent |
| Drawing | 22.07.1989 | 14 | 143 | 283 | all checks consistent |
| Drawing | 23.07.1989 | 13 | 167 | 297 | all checks consistent |
| Drawing | 24.07.1989 | 12 | 159 | 279 | all checks consistent |
| Drawing | 25.07.1989 | 8 | 122 | 202 | all checks consistent |
| Drawing | 26.07.1989 | 10 | 66 | 166 | all checks consistent |
| Drawing | 30.10.1989 | 12 | 60 | 180 | counts consistent, some coordinates doubtful |
| Drawing | 31.10.1989 | — | — | — | reading could not be verified |
| Drawing | 01.11.1989 | 12 | 119 | 239 | all checks consistent |
| Drawing | 02.11.1989 | — | — | — | reading could not be verified |
| Drawing | 03.11.1989 | 12 | 117 | 237 | all checks consistent |
| Drawing | 04.11.1989 | — | — | — | reading could not be verified |
| Drawing | 07.11.1989 | 13 | 205 | 335 | all checks consistent |
| Drawing | 15.11.1989 | 8 | 126 | 206 | all checks consistent |
| Drawing | 16.11.1989 | 10 | 99 | 199 | all checks consistent |
| Drawing | 17.11.1989 | 7 | 47 | 117 | all checks consistent |
| Drawing | 18.11.1989 | 10 | 84 | 184 | all checks consistent |
| Drawing | 19.11.1989 | 7 | 95 | 165 | all checks consistent |
| Drawing | 20.11.1989 | 9 | 110 | 200 | all checks consistent |
| Drawing | 21.11.1989 | — | — | — | reading could not be verified |
| Drawing | 22.11.1989 | 12 | 130 | 250 | counts consistent, some coordinates doubtful |
| Drawing | 27.11.1989 | 10 | 151 | 251 | counts consistent, some coordinates doubtful |
| Drawing | 28.11.1989 | 11 | 110 | 220 | counts consistent, some coordinates doubtful |
| Drawing | 30.11.1989 | 14 | 73 | 213 | all checks consistent |
| Drawing | 01.12.1989 | 16 | 85 | 245 | all checks consistent |
| Drawing | 04.12.1989 | 13 | 112 | 242 | all checks consistent |
| Drawing | 05.12.1989 | 14 | 167 | 307 | all checks consistent |
| Drawing | 07.12.1989 | 14 | 207 | 347 | all checks consistent |
| Drawing | 08.12.1989 | 13 | 85 | 215 | all checks consistent |
| Drawing | 11.12.1989 | 7 | 39 | 109 | all checks consistent |
| Drawing | 12.12.1989 | 10 | 50 | 150 | all checks consistent |
| Drawing | 13.12.1989 | 13 | 61 | 191 | counts consistent, some coordinates doubtful |
| Drawing | 15.12.1989 | 7 | 31 | 101 | all checks consistent |
| Drawing | 16.12.1989 | 7 | 32 | 102 | all checks consistent |
| Drawing | 17.12.1989 | 7 | 57 | 127 | all checks consistent |
| Drawing | 18.12.1989 | 7 | 48 | 118 | all checks consistent |
| Drawing | 19.12.1989 | 8 | 71 | 151 | all checks consistent |
| Drawing | 20.12.1989 | 8 | 74 | 154 | counts consistent, some coordinates doubtful |
| Drawing | 21.12.1989 | 8 | 57 | 137 | all checks consistent |
| Drawing | 22.12.1989 | 11 | 68 | 178 | all checks consistent |
| Drawing | 23.12.1989 | 17 | 74 | 244 | all checks consistent |
| Drawing | 28.12.1989 | 16 | 179 | 339 | all checks consistent |
| Drawing | 30.12.1989 | 13 | 149 | 279 | counts consistent, some coordinates doubtful |
Click a date for the group table and the drawing. “—”: the reading of the sheet could not be verified, numbers are not shown; see the drawing.