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 1980 256 sheets · 207 usable · mean R 179.6
| Drawing | Date | g | f | R | Reading |
|---|---|---|---|---|---|
| Drawing | 02.01.1980 | 11 | 71 | 181 | all checks consistent |
| Drawing | 06.01.1980 | 16 | 119 | 279 | counts consistent, some coordinates doubtful |
| Drawing | 07.01.1980 | 16 | 115 | 275 | all checks consistent |
| Drawing | 08.01.1980 | — | — | — | reading could not be verified |
| Drawing | 13.01.1980 | — | — | — | reading could not be verified |
| Drawing | 14.01.1980 | — | — | — | reading could not be verified |
| Drawing | 15.01.1980 | 10 | 69 | 169 | all checks consistent |
| Drawing | 16.01.1980 | — | — | — | reading could not be verified |
| Drawing | 25.01.1980 | 8 | 48 | 128 | all checks consistent |
| Drawing | 29.01.1980 | — | — | — | reading could not be verified |
| Drawing | 31.01.1980 | 10 | 81 | 181 | counts consistent, some coordinates doubtful |
| Drawing | 01.02.1980 | — | — | — | reading could not be verified |
| Drawing | 02.02.1980 | 7 | 78 | 148 | all checks consistent |
| Drawing | 05.02.1980 | 9 | 93 | 183 | all checks consistent |
| Drawing | 07.02.1980 | — | — | — | reading could not be verified |
| Drawing | 08.02.1980 | 10 | 99 | 199 | counts consistent, some coordinates doubtful |
| Drawing | 10.02.1980 | — | — | — | reading could not be verified |
| Drawing | 11.02.1980 | 7 | 90 | 160 | all checks consistent |
| Drawing | 18.02.1980 | 8 | 51 | 131 | all checks consistent |
| Drawing | 20.02.1980 | 8 | 46 | 126 | counts consistent, some coordinates doubtful |
| Drawing | 27.02.1980 | — | — | — | reading could not be verified |
| Drawing | 01.03.1980 | 9 | 32 | 122 | all checks consistent |
| Drawing | 02.03.1980 | 11 | 33 | 143 | all checks consistent |
| Drawing | 03.03.1980 | 12 | 52 | 172 | all checks consistent |
| Drawing | 05.03.1980 | 10 | 38 | 138 | counts consistent, some coordinates doubtful |
| Drawing | 06.03.1980 | 10 | 62 | 162 | all checks consistent |
| Drawing | 09.03.1980 | 8 | 26 | 106 | all checks consistent |
| Drawing | 13.03.1980 | — | — | — | reading could not be verified |
| Drawing | 16.03.1980 | 2 | 3 | 23 | all checks consistent |
| Drawing | 18.03.1980 | — | — | — | reading could not be verified |
| Drawing | 19.03.1980 | 6 | 49 | 109 | counts consistent, some coordinates doubtful |
| Drawing | 20.03.1980 | 7 | 57 | 127 | all checks consistent |
| Drawing | 21.03.1980 | 8 | 48 | 128 | counts consistent, some coordinates doubtful |
| Drawing | 22.03.1980 | 12 | 57 | 177 | counts consistent, some coordinates doubtful |
| Drawing | 23.03.1980 | — | — | — | reading could not be verified |
| Drawing | 24.03.1980 | — | — | — | reading could not be verified |
| Drawing | 29.03.1980 | 12 | 90 | 210 | counts consistent, some coordinates doubtful |
| Drawing | 30.03.1980 | 12 | 135 | 255 | all checks consistent |
| Drawing | 31.03.1980 | 12 | 111 | 231 | all checks consistent |
| Drawing | 04.04.1980 | — | — | — | reading could not be verified |
| Drawing | 05.04.1980 | 8 | 107 | 187 | all checks consistent |
| Drawing | 07.04.1980 | 8 | 101 | 181 | all checks consistent |
| Drawing | 08.04.1980 | 7 | 121 | 191 | all checks consistent |
| Drawing | 09.04.1980 | 9 | 127 | 217 | all checks consistent |
| Drawing | 10.04.1980 | 9 | 146 | 236 | all checks consistent |
| Drawing | 11.04.1980 | 9 | 107 | 197 | all checks consistent |
| Drawing | 12.04.1980 | 9 | 120 | 210 | counts consistent, some coordinates doubtful |
| Drawing | 14.04.1980 | 9 | 130 | 220 | all checks consistent |
| Drawing | 15.04.1980 | 9 | 216 | 306 | all checks consistent |
| Drawing | 16.04.1980 | 9 | 99 | 189 | all checks consistent |
| Drawing | 17.04.1980 | 8 | 78 | 158 | all checks consistent |
| Drawing | 18.04.1980 | 9 | 69 | 159 | all checks consistent |
| Drawing | 19.04.1980 | 11 | 80 | 190 | all checks consistent |
| Drawing | 20.04.1980 | 11 | 90 | 200 | all checks consistent |
| Drawing | 21.04.1980 | 9 | 62 | 152 | counts consistent, some coordinates doubtful |
| Drawing | 22.04.1980 | 8 | 47 | 127 | all checks consistent |
| Drawing | 23.04.1980 | 6 | 54 | 114 | all checks consistent |
| Drawing | 24.04.1980 | 6 | 55 | 115 | all checks consistent |
| Drawing | 25.04.1980 | 5 | 38 | 88 | all checks consistent |
| Drawing | 26.04.1980 | 9 | 70 | 160 | all checks consistent |
| Drawing | 27.04.1980 | 7 | 57 | 127 | all checks consistent |
| Drawing | 28.04.1980 | 8 | 59 | 139 | all checks consistent |
| Drawing | 29.04.1980 | 5 | 38 | 88 | all checks consistent |
| Drawing | 30.04.1980 | — | — | — | reading could not be verified |
| Drawing | 02.05.1980 | 7 | 90 | 160 | all checks consistent |
| Drawing | 03.05.1980 | 8 | 79 | 159 | counts consistent, some coordinates doubtful |
| Drawing | 04.05.1980 | 8 | 78 | 158 | counts consistent, some coordinates doubtful |
| Drawing | 05.05.1980 | 11 | 95 | 205 | all checks consistent |
| Drawing | 06.05.1980 | 9 | 72 | 162 | all checks consistent |
| Drawing | 07.05.1980 | 10 | 89 | 189 | all checks consistent |
| Drawing | 08.05.1980 | — | — | — | reading could not be verified |
| Drawing | 09.05.1980 | 10 | 71 | 171 | all checks consistent |
| Drawing | 10.05.1980 | 9 | 75 | 165 | all checks consistent |
| Drawing | 11.05.1980 | 10 | 78 | 178 | all checks consistent |
| Drawing | 13.05.1980 | — | — | — | reading could not be verified |
| Drawing | 14.05.1980 | — | — | — | reading could not be verified |
| Drawing | 15.05.1980 | — | — | — | reading could not be verified |
| Drawing | 16.05.1980 | — | — | — | reading could not be verified |
| Drawing | 17.05.1980 | 15 | 89 | 239 | counts consistent, some coordinates doubtful |
| Drawing | 19.05.1980 | — | — | — | reading could not be verified |
| Drawing | 21.05.1980 | 14 | 102 | 242 | counts consistent, some coordinates doubtful |
| Drawing | 23.05.1980 | 15 | 183 | 333 | counts consistent, some coordinates doubtful |
| Drawing | 25.05.1980 | 13 | 140 | 270 | all checks consistent |
| Drawing | 26.05.1980 | 13 | 131 | 261 | all checks consistent |
| Drawing | 27.05.1980 | 13 | 155 | 285 | all checks consistent |
| Drawing | 29.05.1980 | 12 | 107 | 227 | counts consistent, some coordinates doubtful |
| Drawing | 30.05.1980 | 11 | 99 | 209 | all checks consistent |
| Drawing | 31.05.1980 | — | — | — | reading could not be verified |
| Drawing | 01.06.1980 | 9 | 73 | 163 | all checks consistent |
| Drawing | 02.06.1980 | 8 | 67 | 147 | all checks consistent |
| Drawing | 03.06.1980 | — | — | — | reading could not be verified |
| Drawing | 04.06.1980 | 11 | 73 | 183 | all checks consistent |
| Drawing | 05.06.1980 | 11 | 85 | 195 | all checks consistent |
| Drawing | 06.06.1980 | 11 | 85 | 195 | all checks consistent |
| Drawing | 07.06.1980 | 7 | 49 | 119 | all checks consistent |
| Drawing | 08.06.1980 | 9 | 94 | 184 | all checks consistent |
| Drawing | 09.06.1980 | 13 | 88 | 218 | all checks consistent |
| Drawing | 10.06.1980 | — | — | — | reading could not be verified |
| Drawing | 11.06.1980 | 9 | 96 | 186 | all checks consistent |
| Drawing | 12.06.1980 | 9 | 105 | 195 | all checks consistent |
| Drawing | 14.06.1980 | 10 | 76 | 176 | all checks consistent |
| Drawing | 15.06.1980 | 11 | 69 | 179 | all checks consistent |
| Drawing | 16.06.1980 | 8 | 50 | 130 | counts consistent, some coordinates doubtful |
| Drawing | 17.06.1980 | 10 | 63 | 163 | all checks consistent |
| Drawing | 18.06.1980 | 11 | 84 | 194 | all checks consistent |
| Drawing | 19.06.1980 | 11 | 78 | 188 | all checks consistent |
| Drawing | 20.06.1980 | 13 | 89 | 219 | all checks consistent |
| Drawing | 21.06.1980 | 12 | 86 | 206 | all checks consistent |
| Drawing | 22.06.1980 | 14 | 129 | 269 | all checks consistent |
| Drawing | 23.06.1980 | 12 | 102 | 222 | all checks consistent |
| Drawing | 24.06.1980 | 14 | 124 | 264 | all checks consistent |
| Drawing | 25.06.1980 | — | — | — | reading could not be verified |
| Drawing | 26.06.1980 | — | — | — | reading could not be verified |
| Drawing | 27.06.1980 | 12 | 62 | 182 | all checks consistent |
| Drawing | 28.06.1980 | 11 | 67 | 177 | all checks consistent |
| Drawing | 29.06.1980 | — | — | — | reading could not be verified |
| Drawing | 30.06.1980 | — | — | — | reading could not be verified |
| Drawing | 01.07.1980 | 8 | 35 | 115 | all checks consistent |
| Drawing | 02.07.1980 | 9 | 43 | 133 | all checks consistent |
| Drawing | 03.07.1980 | 7 | 59 | 129 | all checks consistent |
| Drawing | 04.07.1980 | 8 | 51 | 131 | all checks consistent |
| Drawing | 05.07.1980 | 6 | 51 | 111 | all checks consistent |
| Drawing | 06.07.1980 | 9 | 61 | 151 | counts consistent, some coordinates doubtful |
| Drawing | 07.07.1980 | 9 | 68 | 158 | all checks consistent |
| Drawing | 08.07.1980 | 5 | 38 | 88 | all checks consistent |
| Drawing | 09.07.1980 | 7 | 31 | 101 | counts consistent, some coordinates doubtful |
| Drawing | 10.07.1980 | 6 | 29 | 89 | all checks consistent |
| Drawing | 11.07.1980 | 7 | 47 | 117 | all checks consistent |
| Drawing | 12.07.1980 | 6 | 56 | 116 | all checks consistent |
| Drawing | 13.07.1980 | 7 | 64 | 134 | all checks consistent |
| Drawing | 14.07.1980 | 8 | 82 | 162 | all checks consistent |
| Drawing | 15.07.1980 | 10 | 98 | 198 | all checks consistent |
| Drawing | 16.07.1980 | 12 | 153 | 273 | all checks consistent |
| Drawing | 17.07.1980 | 14 | 120 | 260 | all checks consistent |
| Drawing | 18.07.1980 | 17 | 147 | 317 | all checks consistent |
| Drawing | 19.07.1980 | 15 | 120 | 270 | all checks consistent |
| Drawing | 20.07.1980 | 14 | 120 | 260 | all checks consistent |
| Drawing | 21.07.1980 | 16 | 150 | 310 | counts consistent, some coordinates doubtful |
| Drawing | 22.07.1980 | 14 | 120 | 260 | all checks consistent |
| Drawing | 23.07.1980 | 12 | 79 | 199 | all checks consistent |
| Drawing | 24.07.1980 | 12 | 74 | 194 | all checks consistent |
| Drawing | 25.07.1980 | 12 | 55 | 175 | counts consistent, some coordinates doubtful |
| Drawing | 26.07.1980 | 12 | 45 | 165 | all checks consistent |
| Drawing | 27.07.1980 | 11 | 63 | 173 | all checks consistent |
| Drawing | 28.07.1980 | 12 | 60 | 180 | all checks consistent |
| Drawing | 29.07.1980 | 11 | 37 | 147 | all checks consistent |
| Drawing | 30.07.1980 | 11 | 31 | 141 | all checks consistent |
| Drawing | 31.07.1980 | 7 | 22 | 92 | all checks consistent |
| Drawing | 01.08.1980 | 8 | 13 | 93 | all checks consistent |
| Drawing | 02.08.1980 | 8 | 13 | 93 | counts consistent, some coordinates doubtful |
| Drawing | 03.08.1980 | 8 | 10 | 90 | all checks consistent |
| Drawing | 04.08.1980 | 6 | 20 | 80 | counts consistent, some coordinates doubtful |
| Drawing | 05.08.1980 | — | — | — | reading could not be verified |
| Drawing | 06.08.1980 | 8 | 30 | 110 | counts consistent, some coordinates doubtful |
| Drawing | 07.08.1980 | 5 | 30 | 80 | all checks consistent |
| Drawing | 08.08.1980 | 7 | 48 | 118 | all checks consistent |
| Drawing | 09.08.1980 | 7 | 58 | 128 | all checks consistent |
| Drawing | 10.08.1980 | 6 | 26 | 86 | all checks consistent |
| Drawing | 11.08.1980 | 13 | 67 | 197 | all checks consistent |
| Drawing | 12.08.1980 | 12 | 67 | 187 | all checks consistent |
| Drawing | 13.08.1980 | — | — | — | reading could not be verified |
| Drawing | 14.08.1980 | — | — | — | reading could not be verified |
| Drawing | 15.08.1980 | 15 | 64 | 214 | counts consistent, some coordinates doubtful |
| Drawing | 16.08.1980 | — | — | — | reading could not be verified |
| Drawing | 17.08.1980 | 14 | 117 | 257 | counts consistent, some coordinates doubtful |
| Drawing | 18.08.1980 | 12 | 118 | 238 | all checks consistent |
| Drawing | 19.08.1980 | 14 | 136 | 276 | counts consistent, some coordinates doubtful |
| Drawing | 20.08.1980 | 15 | 121 | 271 | all checks consistent |
| Drawing | 21.08.1980 | 12 | 123 | 243 | all checks consistent |
| Drawing | 22.08.1980 | 10 | 75 | 175 | all checks consistent |
| Drawing | 23.08.1980 | 10 | 93 | 193 | all checks consistent |
| Drawing | 24.08.1980 | 10 | 81 | 181 | all checks consistent |
| Drawing | 25.08.1980 | 6 | 76 | 136 | all checks consistent |
| Drawing | 26.08.1980 | — | — | — | reading could not be verified |
| Drawing | 27.08.1980 | 8 | 49 | 129 | all checks consistent |
| Drawing | 28.08.1980 | 8 | 68 | 148 | all checks consistent |
| Drawing | 29.08.1980 | 9 | 92 | 182 | all checks consistent |
| Drawing | 30.08.1980 | — | — | — | reading could not be verified |
| Drawing | 31.08.1980 | 13 | 151 | 281 | all checks consistent |
| Drawing | 01.09.1980 | 13 | 117 | 247 | all checks consistent |
| Drawing | 02.09.1980 | 14 | 110 | 250 | all checks consistent |
| Drawing | 05.09.1980 | 12 | 134 | 254 | all checks consistent |
| Drawing | 06.09.1980 | 9 | 132 | 222 | all checks consistent |
| Drawing | 07.09.1980 | 9 | 91 | 181 | all checks consistent |
| Drawing | 08.09.1980 | 11 | 80 | 190 | counts consistent, some coordinates doubtful |
| Drawing | 09.09.1980 | 10 | 49 | 149 | all checks consistent |
| Drawing | 10.09.1980 | 10 | 49 | 149 | all checks consistent |
| Drawing | 11.09.1980 | 11 | 75 | 185 | all checks consistent |
| Drawing | 13.09.1980 | 8 | 85 | 165 | all checks consistent |
| Drawing | 14.09.1980 | 7 | 57 | 127 | all checks consistent |
| Drawing | 15.09.1980 | 7 | 21 | 91 | all checks consistent |
| Drawing | 16.09.1980 | 8 | 37 | 117 | all checks consistent |
| Drawing | 17.09.1980 | 7 | 40 | 110 | all checks consistent |
| Drawing | 18.09.1980 | 8 | 60 | 140 | all checks consistent |
| Drawing | 19.09.1980 | — | — | — | reading could not be verified |
| Drawing | 22.09.1980 | — | — | — | reading could not be verified |
| Drawing | 23.09.1980 | 11 | 105 | 215 | all checks consistent |
| Drawing | 24.09.1980 | 13 | 100 | 230 | all checks consistent |
| Drawing | 25.09.1980 | 13 | 85 | 215 | counts consistent, some coordinates doubtful |
| Drawing | 26.09.1980 | — | — | — | reading could not be verified |
| Drawing | 30.09.1980 | — | — | — | reading could not be verified |
| Drawing | 01.10.1980 | 10 | 68 | 168 | counts consistent, some coordinates doubtful |
| Drawing | 02.10.1980 | 8 | 49 | 129 | counts consistent, some coordinates doubtful |
| Drawing | 03.10.1980 | 10 | 61 | 161 | all checks consistent |
| Drawing | 06.10.1980 | 9 | 48 | 138 | all checks consistent |
| Drawing | 07.10.1980 | 10 | 50 | 150 | counts consistent, some coordinates doubtful |
| Drawing | 08.10.1980 | 11 | 104 | 214 | all checks consistent |
| Drawing | 09.10.1980 | 12 | 191 | 311 | counts consistent, some coordinates doubtful |
| Drawing | 10.10.1980 | 10 | 203 | 303 | counts consistent, some coordinates doubtful |
| Drawing | 13.10.1980 | — | — | — | reading could not be verified |
| Drawing | 14.10.1980 | 14 | 132 | 272 | all checks consistent |
| Drawing | 15.10.1980 | 14 | 135 | 275 | counts consistent, some coordinates doubtful |
| Drawing | 16.10.1980 | 12 | 154 | 274 | all checks consistent |
| Drawing | 17.10.1980 | — | — | — | reading could not be verified |
| Drawing | 24.10.1980 | 8 | 76 | 156 | all checks consistent |
| Drawing | 27.10.1980 | 8 | 64 | 144 | all checks consistent |
| Drawing | 03.11.1980 | 14 | 100 | 240 | all checks consistent |
| Drawing | 04.11.1980 | 12 | 173 | 293 | all checks consistent |
| Drawing | 05.11.1980 | 13 | 132 | 262 | all checks consistent |
| Drawing | 06.11.1980 | 8 | 110 | 190 | counts consistent, some coordinates doubtful |
| Drawing | 07.11.1980 | 8 | 143 | 223 | all checks consistent |
| Drawing | 10.11.1980 | — | — | — | reading could not be verified |
| Drawing | 12.11.1980 | 6 | 79 | 139 | counts consistent, some coordinates doubtful |
| Drawing | 13.11.1980 | 5 | 62 | 112 | all checks consistent |
| Drawing | 14.11.1980 | 6 | 69 | 129 | all checks consistent |
| Drawing | 16.11.1980 | 6 | 47 | 107 | counts consistent, some coordinates doubtful |
| Drawing | 17.11.1980 | 8 | 81 | 161 | all checks consistent |
| Drawing | 18.11.1980 | 9 | 63 | 153 | all checks consistent |
| Drawing | 19.11.1980 | 9 | 75 | 165 | all checks consistent |
| Drawing | 20.11.1980 | 8 | 46 | 126 | all checks consistent |
| Drawing | 21.11.1980 | 7 | 61 | 131 | all checks consistent |
| Drawing | 22.11.1980 | 7 | 43 | 113 | all checks consistent |
| Drawing | 23.11.1980 | 7 | 52 | 122 | all checks consistent |
| Drawing | 24.11.1980 | 9 | 74 | 164 | all checks consistent |
| Drawing | 25.11.1980 | — | — | — | reading could not be verified |
| Drawing | 26.11.1980 | 11 | 49 | 159 | counts consistent, some coordinates doubtful |
| Drawing | 27.11.1980 | — | — | — | reading could not be verified |
| Drawing | 28.11.1980 | 12 | 71 | 191 | all checks consistent |
| Drawing | 30.11.1980 | 14 | 85 | 225 | all checks consistent |
| Drawing | 01.12.1980 | — | — | — | reading could not be verified |
| Drawing | 02.12.1980 | — | — | — | reading could not be verified |
| Drawing | 05.12.1980 | 8 | 57 | 137 | all checks consistent |
| Drawing | 06.12.1980 | 5 | 29 | 79 | counts consistent, some coordinates doubtful |
| Drawing | 08.12.1980 | 14 | 44 | 184 | counts consistent, some coordinates doubtful |
| Drawing | 11.12.1980 | 12 | 75 | 195 | all checks consistent |
| Drawing | 12.12.1980 | — | — | — | reading could not be verified |
| Drawing | 14.12.1980 | 15 | 162 | 312 | all checks consistent |
| Drawing | 15.12.1980 | — | — | — | reading could not be verified |
| Drawing | 16.12.1980 | 10 | 65 | 165 | all checks consistent |
| Drawing | 17.12.1980 | 10 | 111 | 211 | all checks consistent |
| Drawing | 20.12.1980 | 13 | 78 | 208 | all checks consistent |
| Drawing | 22.12.1980 | — | — | — | reading could not be verified |
| Drawing | 25.12.1980 | 14 | 66 | 206 | counts consistent, some coordinates doubtful |
| Drawing | 26.12.1980 | 14 | 70 | 210 | counts consistent, some coordinates doubtful |
| Drawing | 30.12.1980 | 16 | 65 | 225 | all checks consistent |
| Drawing | 31.12.1980 | — | — | — | reading could not be verified |
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.