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How to get more aperture out of your telescope ( Gettin' In The Game) View |
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Top 5 tips for improving planetary views with your telescope (Astronomy and Nature TV) View |
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Great Budget Eyepieces For Your Telescope and Understanding Magnification (Late Night Astronomy) View |
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Telescope Basics 2 (of 6): Learn to calculate magnification for a telescope/understand focal ratios (Eyes on the Sky) View |
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#DearCelestron Series - I can't see anything through my telescope. Help! (Celestron) View |
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Telescope Focal Length Explained (Alien Tech) View |
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Astro Tutorial #1.5: Focal Length and Aperture (catchingphotons) View |
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How to Align a Finderscope for New Astronomers (New Astronomer) View |
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Blocking filters for Solar Telescopes (AZASTROGUY) View |
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Make Off-Axis Aperture Stop For Your Telescope / Skywatcher Heritage 100P Reflector Telescope (Dr AstroGeoTech) View |