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Table 1
Overview of available τ Boo Ca II H&K observations obtained in the Mount Wilson (MW) and TIGRE programs.
| Year | Number of nights | Program |
|
|
||
| 1967 | 4 | MW |
| 1968 | 5 | MW |
| 1969 | 11 | MW |
| 1970 | 17 | MW |
| 1971 | 10 | MW |
| 1972 | 11 | MW |
| 1973 | 12 | MW |
| 1974 | 12 | MW |
| 1975 | 19 | MW |
| 1976 | 14 | MW |
| 1977 | 20 | MW |
| 1978 | 5 | MW |
| 1979 | 12 | MW |
| 1980 | 2 | MW |
| 1981 | 36 | MW |
| 1982 | 69 | MW |
| 1983 | 63 | MW |
| 1984 | 137 | MW |
| 1985 | 83 | MW |
| 1986 | 88 | MW |
| 1987 | 46 | MW |
| 1988 | 62 | MW |
| 1989 | 33 | MW |
| 1990 | 6 | MW |
| 1991 | 14 | MW |
| 1992 | 52 | MW |
| 1993 | 35 | MW |
| 1994 | 79 | MW |
| 1995 | 22 | MW |
| 1996 | 58 | MW |
| 1997 | 81 | MW |
| 1998 | 50 | MW |
| 1999 | 34 | MW |
| 2000 | 47 | MW |
| 2001 | 29 | MW |
|
|
||
| 2014 | 77 | TIGRE |
| 2015 | 73 | TIGRE |
| 2016 | 88 | TIGRE |
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