Economical Backyard Observatory

Economical Backyard Observatory

the real magic of Instructable contests is the incentive they give you to complete those projects that you've been kicking around for months.

Dr. Erhard Hanssgen with his self-made forty two inch (107cm) Dobsonian scope. It's a bit of a climb but what a view! #Astronomy #Dobsonian #Telescope

Erhard Hanssgen with his self-made forty two inch Dobsonian scope. It's a bit of a climb but what a view!

Craig Colvin's 8" String Travel Telescope - #Dobsonian #Telescopes

Craig Colvin's 8" String Travel Telescope - #Dobsonian #Telescopes

Impressive: Mike Clements stand with his homemade 70-inch telescope in Herriman, Utah. While the primary mirror is 70 inches, the black metal structure itself stands about 35 feet tall, supporting a secondary mirror that is 29 inches

Utah truckdriver builds worlds largest amateur telescope

Impressive: Mike Clements stand with his homemade telescope in Herriman, Utah. While the primary mirror is 70 inches, the black metal structure itself stands about 35 feet tall, supporting a secondary mirror that is 29 inches

20 INCH F4 TELESCOPE - BRUCE MILLS-'scope stuff

Telescope Making Twenty Inch F 4

Telescope, Astronomy, Nasa

Light Weight and Light Gathering - Jan van Gastel 20" f/3.6 flex rocker ultralight - #Dobsonian #Telescopes

Light Weight and Light Gathering - Jan van Gastel 20" f/3.6 flex rocker ultralight - #Dobsonian #Telescopes

sumerian optics canopus - Google Search

sumerian optics canopus - Google Search

IMG 7348

Dob The rebuild/slim down of my dob

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