50-inch Telescope Installation
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Telescope Building with John Dobson
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1-meter Telescope Installation
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A "Classic" Big Dobsonian - The 20" Obsession Telescope - Go Big or Go Home!
17:01
Tracking for a Dobsonian Telescope - Home Made EQ Platform
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Inside Grande Pines Observatory: Top-of-the-line amateur astronomy
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Want a Big Telescope?
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Merz reißt die Brandmauer ein – Chaos-Woche im Bundestag | heute-show vom 31.01.2025
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