Celestron NexStar 8 SE Telescope

!±8± Celestron NexStar 8 SE Telescope

Rate : | Price : $999.00 | Post Date : Dec 18, 2011 22:33:10
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The Celestron NexStar 8SE Telescope offers a multitude of features, including the 2032mm focal length and SkyAlign. Viewing the stars will never be the same, as you expand your horizons with the stimulating and technological advances included in the Celestron Telescope. Inside the Celestron NexStar, you find an autoguider port to enable long exposure photos, as well as the exceptional Go To button to quickly locate and position the star of your choice. The Celestron NexStar 8SE Telescope lets you peer deep into the universe with the largest model in this deluxe series of computer-controlled telescopes.Features:8" Schmidt-Cassegrain telescope with 203.2mm aperture78% more light gathering power than 6" models2032mm focal lengthFocal ratio: 10Portable – weighs 33 lb including the tripodCombines the classic heritage of the original orange tube telescopes with the latest state-of-the-art featuresStarBright XLT high transmission coatings come standardCelestron's unique patented single fork arm with integral hand control design provides a rigid and smooth operating structure for the optical tubeStar diagonal provides more comfortable viewing position when observing objects that are high in the skyProven NexStar computer control technologySkyAlign allows you to align on any three bright celestial objects, making for a fast and easy alignment processIncludes:Quick release fork arm mount, optical tube and accessory tray for no-tool setupStarPointer finderscope to help with alignment and accurately locating objectsSturdy computerized altazimuth mountInternal battery compartment to prevent cord wrap during useUltra sturdy steel tripod with accessory tray40,000 object database with 200 user-definable objects and expanded information on over 200 objectsFlash upgradeable hand control software and motor control units for downloading product updates over the InternetAutoguider port for long exposure astrophotographyDC Servo motors with encoders on both axesCustom databa

• Celestron 18778 AC Adapter for Computerized Telescopes
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• Celestron 93625 Universal 1.25-inch Camera T-Adapter

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Celestron Telescope daytime Moon trip

!±8± Celestron Telescope daytime Moon trip

Celestron Nexstar 8" Telescope daytime Moon movie Tube & no Tube For Webcam Toucam pro

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How Galileo's Telescope Created the Modern Science of Astronomy

!±8± How Galileo's Telescope Created the Modern Science of Astronomy

Before Galileo turned his telescope toward the night sky the act of astronomy was pretty much an astrological pursuit where objects and motions of object in the sky were explained using ancient and archaic understandings of the universe and how it works.

But he didn't just observe and note new objects in the sky. He applied scientific methods, mathematical laws, and logical thinking to what he observed and it is this cross discipline approach that created the modern science of observational astronomy.

Galileo is often thought of as inventing the telescope. He didn't invent the telescope but he was the first person to turn one toward the night sky. And the observations he made created the new science of modern astronomy where telescopes are used to help us understand our universe, our place in it, and how it works.

Galileo first heard about the mysterious telescope in 1609 and set out to make a copy for himself. This first telescope magnified images about three times. And over the course of a decade Galileo continued to make more telescopes and his most powerful one magnified images about ten times. This telescope enabled him to see things never before seen. And it enabled him to change our view of the universe and of the objects in the sky.

The first thing that Galileo turned his telescope to was the moon and by observing it over the course of many nights he made an important discovery. He saw that dark areas on the surface grew and shrunk depending on where the moon was in relation to the sun. From this he made the correct deduction that these dark areas were shadows cast by craters and mountains. He further explained with geometry that the height of the mountains and depth of the craters could be correctly calculated. This was an astonishingly important revelation in our view of the universe because it was previously believed that the moon was a smooth surfaced object.

Another extraordinary observation, and the most important, that Galileo made was the discovery of the four largest moons around Jupiter. They were previously unviewable but with his ten-power telescope he could see them. And after viewing them over the course of several nights he observed that they moved. With further careful observation and calculation he proved that they revolved around Jupiter. And this was a universe changing observation because it was previously believed that everything in the universe revolved around the Earth.

Galileo went on to make many telescopes and to make many other important observations in both the night and day sky including the discovery of spots on the sun and the discovery of the rings of Saturn. His observations in the sky spurred on many other telescope makers and astronomers to further explore the amazing and mysterious objects in the sky. But more importantly he also spurred on other astronomers to apply the laws and lessons of mathematics and logic to their observations in a quest to understand how the universe works.

This creation of the modern science of telescopic astronomy was clearly born in 1610 when he published his work called "Sidereus Nuncius" or the "Starry Messenger". This work is still available to this day and is considered one of the most important written scientific works.

How Galileo's Telescope Created the Modern Science of Astronomy

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Celestron 127EQ PowerSeeker Telescope

!±8± Celestron 127EQ PowerSeeker Telescope

Rate : | Price : $102.04 | Post Date : Oct 28, 2011 07:11:25
Usually ships in 1-2 business days

21049 With Free Motor Drive: CES1071 Features: -Telescope. -PowerSeeker collection. -Color: Black. -Material: Aluminum. -127 mm (5'') Newtonian reflector. -3x Barlow lens triples the magnifying power of each eyepiece. -Quick and easy no-tool setup. -Slow motion controls for smooth tracking. -Erect image optics - ideal for terrestrial and astronomical use. -Fully coated glass optical components with high transmission coatings. -Enhanced image brightness and clarity. -Accessory tray for convenient storage of accessories. -''The Sky'' level 1 planetarium software with 10,000 object database. -Dimensions: 11'' H x 17'' W x 33'' D.

• NightWatch: A Practical Guide to Viewing the Universe
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• Celestron Accessory Kit

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