1955 - 1960
Our Questar was made in December of 1960 and Im still looking for an add for that year....
1961 - 1970
 |
August
1966, Sky and Telescope
This add
tells you essentially that its fine that solar imaging with film,
with NO sunfilters is OK...
|
 |
November
1967, Sky and Telescope |
1971 - 1980
1981 - 1990
 |
March 1986, Sky and Telescope |
 |
August 1989, Sky and Telescope |
 |
February
1984, Sky and Telescope |
 |
November
1989, Sky and Telescope |
 |
1989
February, Sky and Telescope |
 |
October
1989, Sky and Telescope |
1991 - 2000
 |
January
2004, Sky and Telescope |
2001 - 2010
 |
May 2004, Sky and Telescope |
 |
February
2003, Sky and Telescope |
 |
March
2005 Sky and Telescope |
 |
May
2003, Sky and Telescope |
2011 to Present
|
