Answers about the Night Sky

Answers about the Night Sky


Sirius Observatories – Sizes

Sirius Observatories has been manufacturing the highest quality, marine-grade fiberglass observatories since 1986. You’ll find Sirius observatories on every continent, in every kind of weather. For the most proven, longest lasting observatory domes with the best customer service, it’s got to be Sirius!

Four sizes to choose from. Dome only, or complete with walls. CLICK ON EACH PHOTO BELOW FOR MORE INFORMATION AND PRICING.

75ftb     115ftb     165ftb








All observatories are pre-assembled in the factory and tested before crating and shipping and this is included in the price. OTHER MANUFACTURERS CHARGE EXTRA FOR THESE SERVICES! The modular design makes assembly easy with user friendly instructions and all components numbered and labeled. The marine-grade fiberglass design provides clean, even flow lines with an easy to maintain gelcoat finish. The staff at Sirius are always willing to provide support, long after the warranty period has expired.


Watch below to see the premium quality construction and easy user assembly of Sirius Observatories


For more information or to order — email: Sirius [at] BeckstromObservatory [dot] com

For customers outside the United States go to


Comments are closed.