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  • China 750X150 Protable Refractor Astronomical

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    Astronomical Telescopes from Chongqing Dontop Optics Co., Ltd.. ... 750x150 Portable Refractor Astronomical Telescopes For Astronomical Obser With Best Price. $320.00 - $380.00 Piece. 10.0 Pieces (Min. Order) Wholesale Astronomial Telescope (700x76) $22.00 - $35.00 Piece.

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    This refractor performs very well for the price range. The quality is good and there is CA (chromatic aberration) which means rainbow coloration around some objects. Higher prices refractors with 3 element lenses correct the color but I am unable to afford them at 2-4 time the price of the XLT 150 R.

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  • Chandra X-ray Observatory - NASA's flagship X-ray

    Since its launch on July 23, 1999, the Chandra X-ray Observatory has been NASA's flagship mission for X-ray astronomy, taking its place in the fleet of 'Great Observatories.' Who we are NASA's Chandra X-ray Observatory is a telescope specially designed to detect X-ray emission from very hot regions of the Universe such as exploded stars ...

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  • Observing

    2021-9-17u2002·u2002Here we bring together all the stargazing tips and resources you'll need to see the glories that light up the heavens. Our Sky at a Glance column guides you to the best celestial sights of the week, our astronomy podcast provides a monthly audio tour, and our interactive tools and guides are useful resources to aid your observing at any time.

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  • NexDome, The most affordable and true personal obervatory

    NEXDOME. Unlike half-dome designs, NexDome is a classic observatory dome with more than 100 degrees of shutter opening, allowing you to point your telescope to the zenith while remaining shielded from stray light and wind. The 2.2 meter inside diameter provides plenty of space to operate up to a 14' Schmidt Cass or a refractor 1400mm long.

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    Qoo10 - astronomy telescope Search Results : Sports Equipment,Cameras & Recorders,Tools & Gardening Items now on sale at qoo10.sg. Incredible shopping paradise! Newest products, latest trends and bestselling items from Singapore, Japan, Korea, US and all over the world at highly discounted price!

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    2010-10-11u2002·u2002astronomy ⁄⁄⁄ february EQUIPMENT REVIEW High-grade optics, excellent tracking, and unexpected features highlight Meade's RCX line of telescopes. ⁄⁄⁄ BY ROBERT KUBEREK

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  • NexDome, The most affordable and true personal obervatory

    NEXDOME. Unlike half-dome designs, NexDome is a classic observatory dome with more than 100 degrees of shutter opening, allowing you to point your telescope to the zenith while remaining shielded from stray light and wind. The 2.2 meter inside diameter provides plenty of space to operate up to a 14' Schmidt Cass or a refractor 1400mm long.

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  • Chandra X-ray Observatory - NASA's flagship X-ray

    Since its launch on July 23, 1999, the Chandra X-ray Observatory has been NASA's flagship mission for X-ray astronomy, taking its place in the fleet of 'Great Observatories.' Who we are NASA's Chandra X-ray Observatory is a telescope specially designed to detect X-ray emission from very hot regions of the Universe such as exploded stars ...

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  • Observing

    2021-9-17u2002·u2002Here we bring together all the stargazing tips and resources you'll need to see the glories that light up the heavens. Our Sky at a Glance column guides you to the best celestial sights of the week, our astronomy podcast provides a monthly audio tour, and our interactive tools and guides are useful resources to aid your observing at any time.

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    Find out more about the Celestron AstroMaster 70EQ Refractor Telescope. The portable dual-purpose Celestron AstroMaster 70EQ Refractor Telescope is an evolutionary terrace for observing the Moon and the Planets. When aligned as required, it can easily track …

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  • Your Complete Guide to Astronomical Equipment

    2017-8-7u2002·u2002the Naval Academy observatory with an 8-inch (0.20-m) Alvin Clark refractor; and he built the Coast Guard Academy Astronomical Observatory in Stonington, CT, which houses a 20 inch (0.51-m) Ritchey–Chrétien Cassegrain telescope. Alexandre Lhoestspent his youth in Zaire, now renamed as the Democratic Republic of the Congo.

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  • High-grade optics, excellent tracking, and ... - Astronomy

    2010-10-11u2002·u2002astronomy ⁄⁄⁄ february EQUIPMENT REVIEW High-grade optics, excellent tracking, and unexpected features highlight Meade's RCX line of telescopes. ⁄⁄⁄ BY ROBERT KUBEREK

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    Telescope for astronomy pro-400-70-fmc glass optical refractor .Never used,or to be honest I realized that this is not what I am looking for. I am going to buy a professional one.Everything in the original box,including triploid and manual. No scra

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    Qoo10 - astronomy telescope Search Results : Sports Equipment,Cameras & Recorders,Tools & Gardening Items now on sale at qoo10.sg. Incredible shopping paradise! Newest products, latest trends and bestselling items from Singapore, Japan, Korea, US and all over the world at highly discounted price!

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  • Help on Astronomical/Planetary viewing equipment that is ...

    2021-8-7u2002·u2002The telescope that everyone wants you to buy -- spending your money for you -- requires frequent maintenance. You have to adjust it periodically. That's why they told you to get a 'Cheshire.' It is an alignment tool. But not every telescope needs that, only REFLECTORS with mirrors. The other kind, are REFRACTORS with lenses.

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    2009-11-3u2002·u2002Rotating Building Observatory - posted in Observatories: Has anyone seen such a thing? I am imagining just having a sliding door continue up to become a slot. The whole building would rotate, so it would be non-obvious as an observatory when closed. -Rich

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  • NASA's flagship X-ray telescope - Chandra X-ray

    Since its launch on July 23, 1999, the Chandra X-ray Observatory has been NASA's flagship mission for X-ray astronomy, taking its place in the fleet of 'Great Observatories.' Who we are NASA's Chandra X-ray Observatory is a telescope specially designed to detect X-ray emission from very hot regions of the Universe such as exploded stars ...

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  • Buy: telescope, microscope, riflescopes, digiscopes London

    Find out more about the Celestron AstroMaster 70EQ Refractor Telescope. The portable dual-purpose Celestron AstroMaster 70EQ Refractor Telescope is an evolutionary terrace for observing the Moon and the Planets. When aligned as required, it can easily track …

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  • Buy: telescope, microscope, riflescopes, digiscopes London

    Scopes are an optical instruments that are designed to make distant objects appear nearer, and magnify microscopic objects bigger. telescope, microscope, riflescopes, digiscopes

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  • Your Complete Guide to Astronomical Equipment

    2017-8-7u2002·u2002the Naval Academy observatory with an 8-inch (0.20-m) Alvin Clark refractor; and he built the Coast Guard Academy Astronomical Observatory in Stonington, CT, which houses a 20 inch (0.51-m) Ritchey–Chrétien Cassegrain telescope. Alexandre Lhoestspent his youth in Zaire, now renamed as the Democratic Republic of the Congo.

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  • oldsite.mnastro.org

    2014-3-10u2002·u2002ting that a 32cm telescope costs about 10 times more than a 11 cm telescope . For a first telescope, especially if you are not sure of your continued interest in astronomy, an 11 or 15cm telescope is a good choice. If your interest continues you can then move up to a 20 to 32cm instrument. importance however is the sturdiness of the mount .

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  • Help on Astronomical/Planetary viewing equipment that is

    2021-8-7u2002·u2002The telescope that everyone wants you to buy -- spending your money for you -- requires frequent maintenance. You have to adjust it periodically. That's why they told you to get a 'Cheshire.' It is an alignment tool. But not every telescope needs that, only REFLECTORS with mirrors. The other kind, are REFRACTORS with lenses.

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  • WASP Warren Astronomical Society Paper members

    2018-3-3u2002·u2002Warren Astronomical Society Paper Volume 22 Number 8 Price $1.00 for Non-members October 1990 ... John Pawlicki of Warren demonstrated his portable 386 computer at our last meet-ing. The large LCD screen, hard disk and coprocessor provided fast, powerful port-ability. We ran DEEP SPACE on it and it really left the XT in the dust.

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    CSSEA Astronomical telescope is the best telescope for kids and adults. You can provide them the best gift to educate them to explore the world, life, and nature. This x70mm refractor Astronomy adjustable telescope can be an excellent observation of terrestrial objects as …

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  • Rotating Building Observatory - Observatories - Cloudy

    2009-11-3u2002·u2002Rotating Building Observatory - posted in Observatories: Has anyone seen such a thing? I am imagining just having a sliding door continue up to become a slot. The whole building would rotate, so it would be non-obvious as an observatory when closed. -Rich

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  • HD Spotting Scope with Tripod 20-60x80mm Hollee IP67

    Find many great new & used options and get the best deals for HD Spotting Scope with Tripod 20-60x80mm Hollee IP67 Waterproof Angled Eyepiece at the …

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  • Chandra X-ray Observatory - NASA's flagship X-ray

    Since its launch on July 23, 1999, the Chandra X-ray Observatory has been NASA's flagship mission for X-ray astronomy, taking its place in the fleet of 'Great Observatories.' Who we are NASA's Chandra X-ray Observatory is a telescope specially designed to detect X-ray emission from very hot regions of the Universe such as exploded stars ...

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  • Celestron - Telescopes

    Find out more about the Celestron Astro-Master f/5 80AZS 80mm Alt-Az Refractor Telescope. Celestron designed the AstroMaster 80AZS 80mm f/5 Alt-Az Refractor Telescope as a multi-function starter scope that can be used for both astronomical and terrestrial viewing with fast setup and breakdown.Its larger aperture and short focal len

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    2021-9-24u2002·u2002Binoculars and Telescopes on Souq.com has best offers with the best price in brands, offers and discount in Dubai, Abu Dhabi and rest of United Arab Emirates, you can shop and buy immediately from Barska with up to 70% discount on Binoculars and Telescopes & More Free returns Cash on Delivery available.

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    To keep astronomical objects centered, simply move the telescope on one or both of its axes (vertical and/or horizontal), using the altitude control handle (7, Fig. 1) as appropriate.

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    GSO 16 inch Dobsonian. Shop high quality Dobsonian telescopes.Huge Selection + Most Ship Free! High Quality Dobsonian Telescopes by Apertura + Many Ship for Free 16 Truss dobsonian The GSO Dobsonian line is particular model serves a very clear purpose, to offer a large aperture and an excellent image quality at reasonable cost. Set-up is as easy as you can imagine very simple assembly with the ...

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  • Prime Focus (06-09) - KAS Online

    2019-10-13u2002·u2002Chandra's successor could be the International X-ray Obser-vatory, which is a merger of NASA's Constellation-X and ESA's ZEUS projects. It won't launch any earlier than 2020. Dr. Baldwin then reviewed past and current telescopes, which included Galileo's tiny refractor, the 36-inch refractor

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  • Help on Astronomical/Planetary viewing equipment that is ...

    2021-8-7u2002·u2002The telescope that everyone wants you to buy -- spending your money for you -- requires frequent maintenance. You have to adjust it periodically. That's why they told you to get a 'Cheshire.' It is an alignment tool. But not every telescope needs that, only REFLECTORS with mirrors. The other kind, are REFRACTORS with lenses.

    Get Price
  • WASP Warren Astronomical Society Paper members

    2018-3-3u2002·u2002Warren Astronomical Society Paper Volume 22 Number 8 Price $1.00 for Non-members October 1990 ... John Pawlicki of Warren demonstrated his portable 386 computer at our last meet-ing. The large LCD screen, hard disk and coprocessor provided fast, powerful port-ability. We ran DEEP SPACE on it and it really left the XT in the dust.

    Get Price
  • Rotating Building Observatory - Observatories - Cloudy

    2009-11-3u2002·u2002Rotating Building Observatory - posted in Observatories: Has anyone seen such a thing? I am imagining just having a sliding door continue up to become a slot. The whole building would rotate, so it would be non-obvious as an observatory when closed. -Rich

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  • HD Spotting Scope with Tripod 20-60x80mm Hollee IP67 ...

    Find many great new & used options and get the best deals for HD Spotting Scope with Tripod 20-60x80mm Hollee IP67 Waterproof Angled Eyepiece at the best …

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  • The Best Telescopes for Kids - Top 10 (2021 Edition)

    2021-1-18u2002·u2002The Gskyer telescope is designed to be portable and compact. There is also a travel bag for easy carrying. Gskyer provides lifetime maintenance assistance for their product. It's important to note that the performance of the Gskyer 70mm Astronomical Refractor Telescope may vary if there is a sudden temperature change.

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  • Astronomik OIII Visual Nebula Filter 2-Inch

    2021-9-24u2002·u2002Astronomik 2-Inch OIII Nebula Filter for Visual Observations Mounted filter in 2' cell (M48.5mm x 0.75mm) From the start, the Astronomik OIII filter has been very specifically designed for the visual observation of gase

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  • Prime Focus (06-09) - KAS Online

    2019-10-13u2002·u2002Dr. Baldwin then reviewed past and current telescopes, which included Galileo's tiny refractor, the 36-inch refractor at Lick Observatory, 200-inch Hale Telescope on Mount Palomar, the Gemini 8-meter telescopes, 10-meter Keck Telescopes and the four 8-meter Very Large Telescope array. New technologies such as segmented and spun-cast mirrors

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  • Best Telescope Photo Adapters - Buying Guide

    2021-9-29u2002·u2002Compatible for both reflector and refractor telescopes with 1.25 eyepiece holders. Dual design allows the user to make slight magnification adjustments without having to change telescope eyepieces. The 1.25 Variable Universal Camera Adapter is made of black-anodized aluminum, threaded for Standard 1.25inch Astronomy Filters.

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  • Rotating Building Observatory - Observatories - Cloudy

    2009-11-3u2002·u2002Try the June 1991 'Gleanings for ATM' column in Sky and Telescope. Bill Volna describes a little shed observatory that seats two, with an exterior 6' f/10 achromat. The whole building rotated; the article had nice outlined plans, as well as a concept for a much larger scale building based on the same concept. Clear skies,-- shane

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  • HD Spotting Scope with Tripod 20-60x80mm Hollee IP67 ...

    Find many great new & used options and get the best deals for HD Spotting Scope with Tripod 20-60x80mm Hollee IP67 Waterproof Angled Eyepiece at the best …

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  • (PDF) Astronomy - A Self Teaching Guide Dinah L Moche ...

    Astronomy - A Self Teaching Guide Dinah L Moche. 391 Pages. Astronomy - A Self Teaching Guide Dinah L Moche

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    (Bird watchers and nature lovers will be thrilled at the sound quality of this ingenious listening device. 7) Ideal for bird watchers to hear birds or animal. Hear bird calls and animal sounds clearly, and let your ears open up to the real music of the field or forest.

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  • 2021 ORIGINAL VIXEN POLARIS MOUNT MANUAL on

    Thank you for your purchase of the SX Polar axis scope for Vixen SX (S PHINX) equatorial mount series astronomical telescopes. This manual describes how to install and use the SX Polar axis scope. Also, please read the instruction manual for SX (SPHINX) Equatorial mount for getting further information on using the mount and SX Polar axis scope.

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    Super Polaris telescope pdf manual download. Vixen has been making telescope mounts for over 65 years. The first to introduce a computer controlled Go To System, we now off manual, motorized and go to mounts for all astronomers. Place your telescope on one of Vixens mounts for smooth tracking. Heavy Duty Dovetail Plate for Vixen Super Polaris ...

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  • Astronomy in the Canary Islands - ScienceDirect

    1985-1-1u2002·u2002Astronomy in the Canary Islands has grown from its historical beginnings at the site-testing expedition of C Piazzi Smyth in 1856. Simony, Edgecomb, and Mascart followed in his footsteps. The Observatorio Astronomico del Teide was provisionally founded in 1959 to study the astronomical qualities of the Canary Islands' sky.

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    Kapoor R C, 2014 Indian astronomy and the transits of Venus 2: The 1874 event Journal of Astronomical History and Heritage 17, 113-135. Ramesh Kapoor. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 37 Full PDFs related to this paper. Read Paper.

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    page 1 a manual of spherical and practical astronomy: embracing the general problems of spherical astronomy, the special applications to nautical astronomy, and the theory and use of fixed and portable astronomical instruments. with an appendix on the method of least squares. by william chauvenet, professor of mathematics and astrono[my in washington university, saint louis, vol. ii. theory ...

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  • Astronomy Insights Pages 1 - 12 - Flip PDF Download ...

    2016-4-1u2002·u2002Check Pages 1 - 12 of Astronomy Insights in the flip PDF version. Astronomy Insights was published by How to on 2016-04-01. Find more similar flip PDFs like Astronomy Insights. Download Astronomy Insights PDF for free.

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  • (PDF) THE ESSENTIAL GUIDE TO ASTRONOMY OBSERVING

    Supernova 1987A The 'big bang' that changed astronomy P36. 84 Pages. THE ESSENTIAL GUIDE TO ASTRONOMY OBSERVING Small scope tour of Gemini's sights PLUTO Its moons have scientists stumped SPACE MISSIONS Where are they all now? Supernova 1987A The 'big bang' that changed astronomy P36. Luis Porras.

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  • Sound Amplifier Spy Ear Bionic Device Bird Nature ...

    (Bird watchers and nature lovers will be thrilled at the sound quality of this ingenious listening device. 7) Ideal for bird watchers to hear birds or animal. Hear bird calls and animal sounds clearly, and let your ears open up to the real music of the field or forest.

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  • (PDF) Astronomy - A Self Teaching Guide Dinah L Moche ...

    Astronomy - A Self Teaching Guide Dinah L Moche. 391 Pages. Astronomy - A Self Teaching Guide Dinah L Moche

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  • HD Spotting Scope with Tripod 20-60x80mm Hollee IP67 ...

    Find many great new & used options and get the best deals for HD Spotting Scope with Tripod 20-60x80mm Hollee IP67 Waterproof Angled Eyepiece at the best …

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  • 2021 ORIGINAL VIXEN POLARIS MOUNT MANUAL on

    Thank you for your purchase of the SX Polar axis scope for Vixen SX (S PHINX) equatorial mount series astronomical telescopes. This manual describes how to install and use the SX Polar axis scope. Also, please read the instruction manual for SX (SPHINX) Equatorial mount for getting further information on using the mount and SX Polar axis scope.

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    The image above is a combination of Slide Head Plate DD (9, yen including tax) and Quick Release Panorama Clamp (10, yen including tax), but the plate is Vixen alloy and can be used for AP mount as well, more compact than a combination of manual module and module base for AP.

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