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 1950 9 sheets · 2 usable · mean R 0.0
| Drawing | Date | g | f | R | Reading |
|---|---|---|---|---|---|
| Drawing | 04.12.1950 | 0 | 0 | 0 | all checks consistent |
| Drawing | 05.12.1950 | — | — | — | reading could not be verified |
| Drawing | 06.12.1950 | — | — | — | reading could not be verified |
| Drawing | 07.12.1950 | — | — | — | reading could not be verified |
| Drawing | 10.12.1950 | — | — | — | reading could not be verified |
| Drawing | 11.12.1950 | — | — | — | reading could not be verified |
| Drawing | 13.12.1950 | 0 | 0 | 0 | all checks consistent |
| Drawing | 14.12.1950 | — | — | — | reading could not be verified |
| Drawing | 15.12.1950 | — | — | — | 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.