telescopes Video Results (We found 89 items with the tag "telescopes")

Series: How to Use Telescopes

Try red lights and binoculars when telescope viewing to keep up night vision and home in on star clusters. Use tools that help telescope observations with an observatory direc... more
Views: 524

Series: How to Use Telescopes

Telescopes that follow the design made by Sir Isaac Newton were coined Newtonian and have finding telescopes attached. Study Newtonian telescopes with an observatory director ... more
Views: 395

Series: How to Use Telescopes

Clean telescope lenses and mirrors only every few years and never use a T-shirt or finger to wipe viewing surfaces. Maintain a telescope in working order with an observatory d... more
Views: 489

Series: How to Use Telescopes

Use a telescope to see the Messier Objects or take in planets and moons as they trace the ecliptic arc. Observe the stars with a telescope alongside an observatory director in... more
Views: 485

Series: How to Use Telescopes

Schmidt-Cassegrain telescopes use mirrors and lenses to form a telescope incorporating Newtonian mirrors and a redirecting lens. Study Schmidt-Cassegrain telescopes with an ob... more
Views: 559

Series: How to Use Telescopes

Telescopes with fork equatorial mounts rotate to follow the arc of the sun, not in straight lines. Learn how to use equatorial mounts for a telescope from an observatory direc... more
Views: 412

Series: How to Use Telescopes

Telescopes should be aligned on equatorial mounts, often centering on the North Star, to ease following celestial bodies over time. Align Schmidt-Cassegrain telescopes with an... more
Views: 712

Series: How to Use Telescopes

The internet can help telescope enthusiasts have fun exploring the night sky, seeing satellites or keeping up with astronomy. Learn internet resources for home telescope viewi... more
Views: 377

Series: How to Use Telescopes

Planetarium software for telescope users and lay astronomers help viewers explore the sky. Learn about planetarium programs that help local telescope viewers from an observato... more
Views: 384

Series: How to Buy a Telescope

Know what features to look for when buying a telescope. Telescope buyers are faced with many options and confusing technological terms when choosing what to purchase. Find out... more
Views: 233

Series: How to Buy a Telescope

A reflecting telescope should only be used for night sky viewing. Discover the difference between reflecting and refracting telescopes in this free video on home astronomy fro... more
Views: 192

Series: How to Buy a Telescope

Composite telescopes have greater focal lengths and more compact designs than standard telescopes. Find out how composite telescopes differ from other telescopes in this free ... more
Views: 219