Observatory Plans

Build your own astronomical observatory in your back yard.

Simple Telescopes

Learn the basics of astronomical telescope building.

Six Inch Reflector


Three Inch Refractor


Homebrew Telescopes and Astronomy Plans

10 Dollar Telescope

True DIY astronomy.

Rich Field Telescope

Build a rich view reflecting telescope.

Spotting Scopes

Fixed focal length scopes for binoculars, rifles.


Terrestrial Telescopes

Make these variable magnification scopes.