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Billion Planets Astronomy and Art: Celestron CGEM-800 Telescope

Billion Planets Astronomy and Art: Celestron CGEM-800 Telescope

12 cosas que debes saber sobre la relatividad

12 cosas que debes saber sobre la relatividad

Gerelateerde afbeelding

Gerelateerde afbeelding

Bruce Sayre 22" binocular telescope

Bruce Sayre 22" binocular telescope

Construction drawings of the Double Arm Barn Door Drive

Construction drawings of the Double Arm Barn Door Drive

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 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

The Thing About Dimensions

The Thing About Dimensions

Orion 10148 SkyQuest XX12g GoTo Truss Tube Dobsonian Telescope

Orion 10148 SkyQuest XX12g GoTo Truss Tube Dobsonian Telescope

dobsoniananatomy

Build a Backyard Dobsonian Telescope

dobsoniananatomy

Complete Scope - #Dobsonian #Telescopes

Complete Scope - #Dobsonian #Telescopes

Astronomie - Dobson factory VS skyvision - AstroSurf

Astronomie - Dobson factory VS skyvision - AstroSurf

Homemade EQ mount

Homemade EQ mount

Rough Grinding a 20" Quartz Telescope Mirror on the Fixed-Post Machine

Rough Grinding a 20" Quartz Telescope Mirror on the Fixed-Post Machine

Horst Christians‎

Horst Christians‎

Mel Bartel's 6" f/2.8 small Dob. - #Telescopes #Dobsonian

Mel Bartel's 6" f/2.8 small Dob. - #Telescopes #Dobsonian