Questar 12

Introduction of the Questar 12 and the Questar-Byers mount. First advertisement in Astronomy magazine (September 1979).

Introducing the Questar 12

1 Page Vertical

Questar advertisement, <em>Sky and Telescope</em>, August 1979 — Questar advertisement, *Sky and Telescope*, August 1979. Questar Corporation

Sky and Telescope, August 1979, IFC.
Sky and Telescope, September 1979, IFC.
Astronomy, September 1979, 3.
Astronomy, October 1979, IBC.

2/3rds Page Vertical

Questar advertisement, <em>Scientific American</em>, October 1979 — Questar advertisement, *Scientific American*, October 1979. Questar Corporation via company7.com

Scientific American, September 1979, 229.
Scientific American, October 1979, 183.

The Questar 12

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Questar advertisement, <em>Sky and Telescope</em>, August 1980 — Questar advertisement, *Sky and Telescope*, August 1980. Questar Corporation via archive.org

Sky and Telescope, January 1980, IFC.
Sky and Telescope, April 1980, IFC.
Astronomy, June 1980, 25.
Sky and Telescope, August 1980, IFC.
Astronomy, December 1980, 47.

2/3rds Page Vertical

Questar advertisement, <em>Scientific American</em>, February 1980 — Questar advertisement, *Scientific American*, February 1980. Questar Corporation via jstor.org

Scientific American, February 1980, 141.
Scientific American, July 1980, 117.

The Questar 12 with Observa-Dome

1 Page Vertical

Questar advertisement, <em>Sky and Telescope</em>, March 1981 — Questar advertisement, *Sky and Telescope*, March 1981. Questar Corporation

Sky and Telescope, March 1981, IFC.
Astronomy, March 1981, 51.
Sky and Telescope, April 1981, IFC.