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 1991 252 sheets · 217 usable · mean R 185.5
| Drawing | Date | g | f | R | Reading |
|---|---|---|---|---|---|
| Drawing | 01.01.1991 | 12 | 61 | 181 | all checks consistent |
| Drawing | 03.01.1991 | 7 | 23 | 93 | all checks consistent |
| Drawing | 04.01.1991 | — | — | — | reading could not be verified |
| Drawing | 05.01.1991 | 10 | 61 | 161 | all checks consistent |
| Drawing | 06.01.1991 | — | — | — | reading could not be verified |
| Drawing | 08.01.1991 | 8 | 58 | 138 | all checks consistent |
| Drawing | 09.01.1991 | 6 | 63 | 123 | all checks consistent |
| Drawing | 12.01.1991 | — | — | — | reading could not be verified |
| Drawing | 13.01.1991 | 9 | 100 | 190 | all checks consistent |
| Drawing | 16.01.1991 | 6 | 41 | 101 | all checks consistent |
| Drawing | 17.01.1991 | 10 | 79 | 179 | all checks consistent |
| Drawing | 19.01.1991 | 7 | 67 | 137 | all checks consistent |
| Drawing | 22.01.1991 | 7 | 55 | 125 | all checks consistent |
| Drawing | 23.01.1991 | 7 | 77 | 147 | all checks consistent |
| Drawing | 26.01.1991 | 10 | 120 | 220 | all checks consistent |
| Drawing | 27.01.1991 | 11 | 207 | 317 | all checks consistent |
| Drawing | 03.02.1991 | — | — | — | reading could not be verified |
| Drawing | 04.02.1991 | 8 | 43 | 123 | counts consistent, some coordinates doubtful |
| Drawing | 05.02.1991 | 9 | 96 | 186 | all checks consistent |
| Drawing | 06.02.1991 | 8 | 46 | 126 | all checks consistent |
| Drawing | 11.02.1991 | 10 | 86 | 186 | all checks consistent |
| Drawing | 12.02.1991 | 12 | 100 | 220 | all checks consistent |
| Drawing | 13.02.1991 | 10 | 60 | 160 | all checks consistent |
| Drawing | 14.02.1991 | — | — | — | reading could not be verified |
| Drawing | 16.02.1991 | 12 | 73 | 193 | all checks consistent |
| Drawing | 18.02.1991 | 15 | 76 | 226 | all checks consistent |
| Drawing | 19.02.1991 | 15 | 118 | 268 | all checks consistent |
| Drawing | 20.02.1991 | 17 | 161 | 331 | all checks consistent |
| Drawing | 21.02.1991 | 12 | 134 | 254 | all checks consistent |
| Drawing | 26.02.1991 | 11 | 78 | 188 | all checks consistent |
| Drawing | 28.02.1991 | 11 | 83 | 193 | all checks consistent |
| Drawing | 02.03.1991 | 8 | 38 | 118 | all checks consistent |
| Drawing | 04.03.1991 | 4 | 22 | 62 | all checks consistent |
| Drawing | 05.03.1991 | 10 | 26 | 126 | all checks consistent |
| Drawing | 06.03.1991 | 7 | 37 | 107 | all checks consistent |
| Drawing | 09.03.1991 | 10 | 103 | 203 | all checks consistent |
| Drawing | 10.03.1991 | 8 | 122 | 202 | all checks consistent |
| Drawing | 14.03.1991 | 8 | 71 | 151 | counts consistent, some coordinates doubtful |
| Drawing | 15.03.1991 | 10 | 98 | 198 | all checks consistent |
| Drawing | 22.03.1991 | 10 | 81 | 181 | all checks consistent |
| Drawing | 23.03.1991 | 11 | 119 | 229 | all checks consistent |
| Drawing | 24.03.1991 | 9 | 117 | 207 | all checks consistent |
| Drawing | 25.03.1991 | 7 | 163 | 233 | all checks consistent |
| Drawing | 31.03.1991 | 9 | 55 | 145 | all checks consistent |
| Drawing | 05.04.1991 | 10 | 80 | 180 | all checks consistent |
| Drawing | 06.04.1991 | 13 | 115 | 245 | all checks consistent |
| Drawing | 12.04.1991 | — | — | — | reading could not be verified |
| Drawing | 13.04.1991 | 10 | 85 | 185 | counts consistent, some coordinates doubtful |
| Drawing | 17.04.1991 | 12 | 177 | 297 | all checks consistent |
| Drawing | 18.04.1991 | 11 | 138 | 248 | all checks consistent |
| Drawing | 19.04.1991 | 14 | 163 | 303 | all checks consistent |
| Drawing | 20.04.1991 | 16 | 124 | 284 | all checks consistent |
| Drawing | 21.04.1991 | 9 | 46 | 136 | all checks consistent |
| Drawing | 22.04.1991 | 6 | 16 | 76 | all checks consistent |
| Drawing | 25.04.1991 | 3 | 11 | 41 | all checks consistent |
| Drawing | 26.04.1991 | 6 | 18 | 78 | all checks consistent |
| Drawing | 27.04.1991 | — | — | — | reading could not be verified |
| Drawing | 28.04.1991 | 10 | 46 | 146 | all checks consistent |
| Drawing | 01.05.1991 | 7 | 49 | 119 | all checks consistent |
| Drawing | 02.05.1991 | 7 | 43 | 113 | all checks consistent |
| Drawing | 03.05.1991 | 10 | 65 | 165 | all checks consistent |
| Drawing | 04.05.1991 | 7 | 45 | 115 | all checks consistent |
| Drawing | 05.05.1991 | 7 | 58 | 128 | all checks consistent |
| Drawing | 06.05.1991 | 7 | 46 | 116 | all checks consistent |
| Drawing | 07.05.1991 | 10 | 44 | 144 | all checks consistent |
| Drawing | 08.05.1991 | 10 | 62 | 162 | all checks consistent |
| Drawing | 09.05.1991 | 10 | 65 | 165 | all checks consistent |
| Drawing | 10.05.1991 | 10 | 93 | 193 | all checks consistent |
| Drawing | 12.05.1991 | 11 | 88 | 198 | all checks consistent |
| Drawing | 13.05.1991 | 9 | 72 | 162 | all checks consistent |
| Drawing | 14.05.1991 | — | — | — | reading could not be verified |
| Drawing | 16.05.1991 | 12 | 54 | 174 | all checks consistent |
| Drawing | 17.05.1991 | 9 | 49 | 139 | all checks consistent |
| Drawing | 20.05.1991 | 12 | 57 | 177 | all checks consistent |
| Drawing | 21.05.1991 | 8 | 43 | 123 | all checks consistent |
| Drawing | 23.05.1991 | 9 | 51 | 141 | all checks consistent |
| Drawing | 24.05.1991 | — | — | — | reading could not be verified |
| Drawing | 25.05.1991 | 8 | 57 | 137 | all checks consistent |
| Drawing | 26.05.1991 | 10 | 65 | 165 | all checks consistent |
| Drawing | 27.05.1991 | 13 | 100 | 230 | all checks consistent |
| Drawing | 30.05.1991 | 8 | 139 | 219 | all checks consistent |
| Drawing | 31.05.1991 | 12 | 117 | 237 | all checks consistent |
| Drawing | 01.06.1991 | 12 | 101 | 221 | all checks consistent |
| Drawing | 02.06.1991 | 15 | 87 | 237 | all checks consistent |
| Drawing | 03.06.1991 | 13 | 70 | 200 | all checks consistent |
| Drawing | 04.06.1991 | 15 | 96 | 246 | all checks consistent |
| Drawing | 05.06.1991 | 13 | 53 | 183 | all checks consistent |
| Drawing | 06.06.1991 | 12 | 65 | 185 | all checks consistent |
| Drawing | 07.06.1991 | 13 | 155 | 285 | counts consistent, some coordinates doubtful |
| Drawing | 08.06.1991 | 13 | 184 | 314 | all checks consistent |
| Drawing | 09.06.1991 | 14 | 179 | 319 | all checks consistent |
| Drawing | 11.06.1991 | 17 | 137 | 307 | all checks consistent |
| Drawing | 12.06.1991 | 16 | 135 | 295 | all checks consistent |
| Drawing | 13.06.1991 | 11 | 80 | 190 | all checks consistent |
| Drawing | 14.06.1991 | 13 | 123 | 253 | all checks consistent |
| Drawing | 15.06.1991 | 12 | 70 | 190 | all checks consistent |
| Drawing | 16.06.1991 | 11 | 81 | 191 | all checks consistent |
| Drawing | 17.06.1991 | 11 | 87 | 197 | all checks consistent |
| Drawing | 18.06.1991 | 12 | 79 | 199 | all checks consistent |
| Drawing | 19.06.1991 | 9 | 46 | 136 | all checks consistent |
| Drawing | 20.06.1991 | 7 | 42 | 112 | all checks consistent |
| Drawing | 21.06.1991 | 11 | 97 | 207 | all checks consistent |
| Drawing | 22.06.1991 | 11 | 83 | 193 | all checks consistent |
| Drawing | 23.06.1991 | 10 | 42 | 142 | all checks consistent |
| Drawing | 24.06.1991 | 11 | 37 | 147 | all checks consistent |
| Drawing | 25.06.1991 | 11 | 70 | 180 | all checks consistent |
| Drawing | 26.06.1991 | 12 | 64 | 184 | all checks consistent |
| Drawing | 27.06.1991 | 12 | 71 | 191 | all checks consistent |
| Drawing | 28.06.1991 | 13 | 81 | 211 | all checks consistent |
| Drawing | 29.06.1991 | — | — | — | reading could not be verified |
| Drawing | 01.07.1991 | 15 | 101 | 251 | all checks consistent |
| Drawing | 03.07.1991 | 16 | 133 | 293 | all checks consistent |
| Drawing | 04.07.1991 | 19 | 128 | 318 | all checks consistent |
| Drawing | 07.07.1991 | 14 | 117 | 257 | all checks consistent |
| Drawing | 08.07.1991 | — | — | — | reading could not be verified |
| Drawing | 09.07.1991 | 15 | 82 | 232 | all checks consistent |
| Drawing | 10.07.1991 | 18 | 101 | 281 | all checks consistent |
| Drawing | 11.07.1991 | 15 | 95 | 245 | all checks consistent |
| Drawing | 12.07.1991 | 10 | 116 | 216 | all checks consistent |
| Drawing | 13.07.1991 | 9 | 101 | 191 | all checks consistent |
| Drawing | 14.07.1991 | 9 | 139 | 229 | all checks consistent |
| Drawing | 15.07.1991 | 9 | 62 | 152 | all checks consistent |
| Drawing | 16.07.1991 | 8 | 77 | 157 | all checks consistent |
| Drawing | 17.07.1991 | 8 | 58 | 138 | all checks consistent |
| Drawing | 18.07.1991 | 7 | 42 | 112 | all checks consistent |
| Drawing | 19.07.1991 | — | — | — | reading could not be verified |
| Drawing | 20.07.1991 | 10 | 53 | 153 | all checks consistent |
| Drawing | 21.07.1991 | — | — | — | reading could not be verified |
| Drawing | 22.07.1991 | — | — | — | reading could not be verified |
| Drawing | 23.07.1991 | — | — | — | reading could not be verified |
| Drawing | 24.07.1991 | — | — | — | reading could not be verified |
| Drawing | 25.07.1991 | 18 | 155 | 335 | counts consistent, some coordinates doubtful |
| Drawing | 26.07.1991 | — | — | — | reading could not be verified |
| Drawing | 27.07.1991 | — | — | — | reading could not be verified |
| Drawing | 28.07.1991 | 12 | 104 | 224 | all checks consistent |
| Drawing | 29.07.1991 | — | — | — | reading could not be verified |
| Drawing | 30.07.1991 | — | — | — | reading could not be verified |
| Drawing | 31.07.1991 | — | — | — | reading could not be verified |
| Drawing | 01.08.1991 | 8 | 94 | 174 | all checks consistent |
| Drawing | 02.08.1991 | 11 | 87 | 197 | counts consistent, some coordinates doubtful |
| Drawing | 03.08.1991 | 8 | 68 | 148 | all checks consistent |
| Drawing | 04.08.1991 | — | — | — | reading could not be verified |
| Drawing | 05.08.1991 | 8 | 50 | 130 | all checks consistent |
| Drawing | 06.08.1991 | 10 | 43 | 143 | counts consistent, some coordinates doubtful |
| Drawing | 07.08.1991 | — | — | — | reading could not be verified |
| Drawing | 08.08.1991 | 8 | 40 | 120 | all checks consistent |
| Drawing | 09.08.1991 | 8 | 22 | 102 | all checks consistent |
| Drawing | 10.08.1991 | 8 | 20 | 100 | all checks consistent |
| Drawing | 11.08.1991 | 7 | 24 | 94 | counts consistent, some coordinates doubtful |
| Drawing | 12.08.1991 | — | — | — | reading could not be verified |
| Drawing | 13.08.1991 | 12 | 63 | 183 | all checks consistent |
| Drawing | 14.08.1991 | 10 | 50 | 150 | all checks consistent |
| Drawing | 15.08.1991 | 14 | 77 | 217 | all checks consistent |
| Drawing | 16.08.1991 | 16 | 152 | 312 | all checks consistent |
| Drawing | 17.08.1991 | 19 | 215 | 405 | all checks consistent |
| Drawing | 18.08.1991 | 18 | 207 | 387 | all checks consistent |
| Drawing | 19.08.1991 | 20 | 161 | 361 | counts consistent, some coordinates doubtful |
| Drawing | 20.08.1991 | 20 | 195 | 395 | all checks consistent |
| Drawing | 21.08.1991 | 20 | 210 | 410 | all checks consistent |
| Drawing | 22.08.1991 | — | — | — | reading could not be verified |
| Drawing | 23.08.1991 | 20 | 143 | 343 | all checks consistent |
| Drawing | 24.08.1991 | — | — | — | reading could not be verified |
| Drawing | 25.08.1991 | — | — | — | reading could not be verified |
| Drawing | 26.08.1991 | 17 | 80 | 250 | all checks consistent |
| Drawing | 27.08.1991 | 14 | 63 | 203 | all checks consistent |
| Drawing | 28.08.1991 | 13 | 89 | 219 | all checks consistent |
| Drawing | 29.08.1991 | 8 | 100 | 180 | all checks consistent |
| Drawing | 30.08.1991 | 8 | 137 | 217 | all checks consistent |
| Drawing | 02.09.1991 | 12 | 102 | 222 | all checks consistent |
| Drawing | 03.09.1991 | 11 | 173 | 283 | all checks consistent |
| Drawing | 05.09.1991 | 9 | 80 | 170 | all checks consistent |
| Drawing | 06.09.1991 | 8 | 90 | 170 | all checks consistent |
| Drawing | 07.09.1991 | 8 | 86 | 166 | all checks consistent |
| Drawing | 09.09.1991 | 7 | 62 | 132 | counts consistent, some coordinates doubtful |
| Drawing | 11.09.1991 | 7 | 64 | 134 | all checks consistent |
| Drawing | 12.09.1991 | 9 | 89 | 179 | all checks consistent |
| Drawing | 13.09.1991 | 11 | 113 | 223 | all checks consistent |
| Drawing | 14.09.1991 | 11 | 116 | 226 | all checks consistent |
| Drawing | 15.09.1991 | 14 | 83 | 223 | all checks consistent |
| Drawing | 16.09.1991 | 8 | 43 | 123 | all checks consistent |
| Drawing | 17.09.1991 | 9 | 67 | 157 | all checks consistent |
| Drawing | 18.09.1991 | 11 | 104 | 214 | all checks consistent |
| Drawing | 19.09.1991 | 6 | 61 | 121 | all checks consistent |
| Drawing | 20.09.1991 | 6 | 38 | 98 | all checks consistent |
| Drawing | 21.09.1991 | 9 | 75 | 165 | all checks consistent |
| Drawing | 22.09.1991 | 10 | 70 | 170 | all checks consistent |
| Drawing | 23.09.1991 | 9 | 80 | 170 | all checks consistent |
| Drawing | 24.09.1991 | 12 | 95 | 215 | all checks consistent |
| Drawing | 25.09.1991 | 9 | 71 | 161 | all checks consistent |
| Drawing | 26.09.1991 | 7 | 78 | 148 | all checks consistent |
| Drawing | 27.09.1991 | 8 | 68 | 148 | all checks consistent |
| Drawing | 28.09.1991 | 13 | 92 | 222 | all checks consistent |
| Drawing | 29.09.1991 | 7 | 133 | 203 | all checks consistent |
| Drawing | 30.09.1991 | — | — | — | reading could not be verified |
| Drawing | 01.10.1991 | — | — | — | reading could not be verified |
| Drawing | 02.10.1991 | 6 | 158 | 218 | all checks consistent |
| Drawing | 06.10.1991 | 7 | 106 | 176 | all checks consistent |
| Drawing | 07.10.1991 | 10 | 64 | 164 | all checks consistent |
| Drawing | 08.10.1991 | — | — | — | reading could not be verified |
| Drawing | 09.10.1991 | 11 | 67 | 177 | all checks consistent |
| Drawing | 10.10.1991 | 12 | 90 | 210 | all checks consistent |
| Drawing | 11.10.1991 | 13 | 71 | 201 | all checks consistent |
| Drawing | 12.10.1991 | 11 | 69 | 179 | all checks consistent |
| Drawing | 13.10.1991 | 14 | 89 | 229 | all checks consistent |
| Drawing | 14.10.1991 | 10 | 55 | 155 | all checks consistent |
| Drawing | 15.10.1991 | — | — | — | reading could not be verified |
| Drawing | 16.10.1991 | 9 | 79 | 169 | all checks consistent |
| Drawing | 17.10.1991 | 6 | 75 | 135 | all checks consistent |
| Drawing | 18.10.1991 | 8 | 52 | 132 | all checks consistent |
| Drawing | 19.10.1991 | 6 | 52 | 112 | all checks consistent |
| Drawing | 20.10.1991 | 7 | 46 | 116 | all checks consistent |
| Drawing | 21.10.1991 | — | — | — | reading could not be verified |
| Drawing | 22.10.1991 | 7 | 33 | 103 | all checks consistent |
| Drawing | 25.10.1991 | 8 | 100 | 180 | all checks consistent |
| Drawing | 26.10.1991 | 7 | 77 | 147 | all checks consistent |
| Drawing | 27.10.1991 | 10 | 175 | 275 | all checks consistent |
| Drawing | 28.10.1991 | 9 | 154 | 244 | all checks consistent |
| Drawing | 01.11.1991 | 11 | 126 | 236 | all checks consistent |
| Drawing | 02.11.1991 | 11 | 94 | 204 | all checks consistent |
| Drawing | 04.11.1991 | 12 | 46 | 166 | all checks consistent |
| Drawing | 05.11.1991 | 12 | 79 | 199 | all checks consistent |
| Drawing | 06.11.1991 | 12 | 72 | 192 | all checks consistent |
| Drawing | 07.11.1991 | — | — | — | reading could not be verified |
| Drawing | 10.11.1991 | 8 | 94 | 174 | all checks consistent |
| Drawing | 11.11.1991 | 8 | 72 | 152 | all checks consistent |
| Drawing | 12.11.1991 | 7 | 106 | 176 | all checks consistent |
| Drawing | 14.11.1991 | — | — | — | reading could not be verified |
| Drawing | 15.11.1991 | 4 | 30 | 70 | all checks consistent |
| Drawing | 16.11.1991 | 8 | 76 | 156 | all checks consistent |
| Drawing | 17.11.1991 | 7 | 47 | 117 | all checks consistent |
| Drawing | 19.11.1991 | 9 | 42 | 132 | all checks consistent |
| Drawing | 20.11.1991 | 14 | 60 | 200 | all checks consistent |
| Drawing | 21.11.1991 | 8 | 38 | 118 | all checks consistent |
| Drawing | 22.11.1991 | 7 | 17 | 87 | all checks consistent |
| Drawing | 23.11.1991 | 7 | 34 | 104 | all checks consistent |
| Drawing | 24.11.1991 | 9 | 28 | 118 | all checks consistent |
| Drawing | 25.11.1991 | 9 | 27 | 117 | all checks consistent |
| Drawing | 26.11.1991 | 7 | 53 | 123 | all checks consistent |
| Drawing | 02.12.1991 | 6 | 28 | 88 | counts consistent, some coordinates doubtful |
| Drawing | 03.12.1991 | 8 | 50 | 130 | all checks consistent |
| Drawing | 04.12.1991 | 7 | 46 | 116 | all checks consistent |
| Drawing | 05.12.1991 | 7 | 93 | 163 | all checks consistent |
| Drawing | 06.12.1991 | 7 | 69 | 139 | all checks consistent |
| Drawing | 14.12.1991 | 13 | 174 | 304 | all checks consistent |
| Drawing | 15.12.1991 | 10 | 93 | 193 | counts consistent, some coordinates doubtful |
| Drawing | 16.12.1991 | 6 | 60 | 120 | all checks consistent |
| Drawing | 17.12.1991 | 7 | 64 | 134 | all checks consistent |
| Drawing | 18.12.1991 | 8 | 44 | 124 | counts consistent, some coordinates doubtful |
| Drawing | 21.12.1991 | — | — | — | reading could not be verified |
| Drawing | 26.12.1991 | 6 | 162 | 222 | all checks consistent |
| Drawing | 28.12.1991 | 4 | 83 | 123 | all checks consistent |
| Drawing | 31.12.1991 | 8 | 114 | 194 | all checks consistent |
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.