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Celestron Flexible C8 Telescope Lens Shade

Celestron Flexible C8 Telescope Lens Shade
The Celestron flexible lens tube is designed to fit on the front end of your Celestron telescope, thus reducing the amount of dew that builds up on your corrector plate. The result is a crisp, clear image that's not disturbed by fog or other moisture- related issues. At the same time, the tube also serves as a lens shade by preventing stray light from falling on the corrector plate, a detail that greatly improves contrast. Users will love the tube's rugged yet soft Foamex plastic material, which compresses into a flat shape for easy storage. And thanks to the thick walls and sewn seams, the tube won't crack or fall apart over time--unlike many competing products. The C8 lens tube, which works with all Celestron telescopes except the NexStar GPS, is backed by a one-year warranty.

Star-Gazing With Telescope and Camera

Nikon ProStaff Nikoplex - Riflescope 3-9 x 40 - fogproof, waterproof - silver

Nikon ProStaff Nikoplex - Riflescope 3-9 x 40 - fogproof, waterproof - silver
PRODUCT FEATURES:100% waterproof/fogproofMulticoated optics for up to 90% light transmissionNikon anti-reflective multicoatingPrecise, repeatable, 1/4 MOA reticle adjustmentsNitrogen filled and O-ring sealed

Celestron Sky Maps

Celestron Sky Maps
Celestron Sky Maps are the ideal teaching guide for learning the night sky. You wouldn't set off on a road trip without a road map, and you don't need to try to navigate the night sky without a map either. Even if you already know your way around the major constellations, these maps can help you locate all kinds of fascinating objects. The front cover has a specially designed luminous planisphere that rotates to simulate the seasonal progression of celestial objects through the sky. When the planisphere is pre-exposed to light, star positions glow brightly against a dark background, mimicking actual constellations. More than a thousand stars and deep-sky objects are listed and charted. The illustrated reference section provides basic information and the visual characteristics of various types of stars, nebulae and galaxies. The maps measure 13¾" x 11½" and are printed on a heavyweight, moisture resistant card stock. The pages have a special comb binding so they can lay flat or be folded over.

Sky & Telescope's Moon Map, Laminated

Starry Night Enthusiast 6.0 Win/Mac

Starry Night Enthusiast 6.0 Win/Mac
Explore a vast array of astronomical wonders, both natural and man-made! Replay spectacular fly-bys of Voyager, Galileo, and other famous space missions. Never miss your chance to witness celestial events, such as Jupiter satellite shadow transits, with the powerful Events Finder. Easily navigate around the cosmos using SkyGuide as your tour guide. Starry Night Enthusiast gives you the freedom and resources to explore the night sky on your computer or with the naked eye or a pair of binoculars. Browse a library of over 100 Starry Night files that demonstrate events such as eclipses, planetary alignments and close-ups of galaxies and planets Assign horizon panorama to a specific location on or off Earth with your choice of 11 photorealistic horizon panoramas Pinpoint the exact location of historical events, such as the Apollo moon landings, with Location Markers Access up-to-date local observing conditions through online link to Clear Sky Clock (requires Internet connection) Click on any location on Earth while hovering and select a Google Map for that precise location (requires Internet connection) Create your own automated guided tour of the universe with AppleScript, which helps you run a list of Starry Night files in sequence (Mac only) Ambient environment sounds enhance the digital observing experience Explore without limits 700 million light years of space View 2,500,000 stars NGC-IC Catalog of 13,000 deep space objects Travel in time from 4713 BC to 9999 AD Deepen your understanding of the universe with over 70 interactive SkyGuide tours Simulate the view through binoculars View how the Earth and Sun look like right now with images from ground-and space-based observatories

The Hubble Wars: Astrophysics Meets Astropolitics in the Two-Billion-Dollar Struggle over the Hubble Space Telescope, With a New Preface

The Hubble Space Telescope is the largest, most complex, and most powerful observatory ever deployed in space, designed to allow astronomers to look far back into our own cosmic past with unprecedented clarity. Yet from its launch in 1990, when it was discovered that a flawed mirror was causing severe "myopia" and sending fuzzy images back to Earth, the HST has been at the center of a controversy over who was at fault for the flaw and how it should be fixed. Now Chaisson, a former senior scientist on the HST project, tells the inside story of the much heralded mission to fix the telescope. Drawing on his journals, Chaisson recreates the day-to-day struggles of scientists, politicians, and publicists to fix the telescope and control the political spin. Illustrated with "before and after" full-color pictures from the telescope and updated with a new preface, The Hubble Wars tells an engaging tale of scientific comedy and error.

In this new edition, coming at the half-way point in the HST's planned mission of fifteen years, Chaisson has brought the Hubble story up-to-date by sorting out the spectacular from the mundane contributions the HST has made to our knowledge of the Solar System, the Milky Way Galaxy, and the distant galaxies of deep space.

Headlines on telescope stores
Splashy portrait helps explain how stars form - Spaceflight Now

Fri, 31 Oct 2008 23:24:00 GMT

Spaceflight Now

Splashy portrait helps explain how stars form
Spaceflight Now, FL - Oct 31, 2008
The multi-wavelength picture combines infrared, visible and X-ray light from NASA's Spitzer Space Telescope, the European Southern Observatory's New ...