This MarketPlace site (Marketplace.SkyandTelescope.com) is a service of Sky & Telescope Media, LLC, parent company of Sky & Telescope magazine and its many affiliated products.
Sky & Telescope was founded in 1941 by Charles A. Federer Jr. and Helen Spence Federer. The company's headquarters are in Cambridge, Massachusetts, near the Harvard-Smithsonian Center for Astrophysics. In addition to Sky & Telescope, SkyandTelescope.com, and SkyWeek the company publishes two annuals (SkyWatch and Beautiful Universe), as well as books, apps, star atlases, prints, globes, and other fine astronomy products.
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617-864-7360
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Mailing and Street Address
Attn: Ad Department
Sky & Telescope Media, LLC.
90 Sherman Street
Cambridge, MA 02140