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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You may contact us online, 24 hours a day, 7 days a week, 365 days a year. We will usually respond to online inquiries within 2 business days after you submit your inquiry.
Mailing and Street Address
Attn: Ad Department
Sky & Telescope Media, LLC.
90 Sherman Street
Cambridge, MA 02140