Here are a few of our favorite popular telescopes for sale: Dobsonian telescopes have remained popular over several decades. LCO purchased the twin Faulkes Telescopes in 2005, together with the company that originally built them, Telescope Technologies Limited, which was based in Liverpool UK. SPIDER MarkII radio telescope is the result of 10 years in research by PrimaLuceLab engineering team that designs, develops, assembles and tests in-house all our radio telescopes. LauraMS and teashea like this #2 dmdouglass Vanguard Posts: 2,118 NEXDOME 2.2M - 8' OBSERVATORY - DOME & RING. I have a nice spreadsheet I can send you that takes your detector parameters, star FWHM, aperture, and calculates the signal to noise ratio of a star image for a given exposure time. The H142-One receiver can be installed on a 19 rack but it can also be placed on a table close to the control computer. Professional-grade telescopes combine advanced optics and ease of use for precision performance without the drawbacks of telescopes designed for casual night sky viewing. For the same price as a refractor, you can get a much larger aperture reflector. Collimation is also important on a Ritchey-Chretin, and entry-level RCs may be somewhat difficult to collimate for precision imaging purposes. It probably will not help you to know that the price of telescopes runs the gamut from around $100 to over $10,000, because really, it all comes down to what you are willing to spend, not what's available. We only send interesting emails and will never sell your data. Read our 101 article or get in touch. The Best Dedicated Astronomy Cameras for Beginners, Astronomik OIII 12nm CCD Filter - T-Threads, Pegasus Astro Dual Motor Focus Controller, 10 Micron 12kg (26.45lbs) Stainless Steel Counterweight- GM 2000, { "name": "Why are some Ritchey Chretin Telescopes priced low and others high? By using mirrors instead of optical lenses, Newton was able to . Since we create SPIDER MarkII radio telescopes in our factory in Italy, you can take advantage of thedirect relation with the us that are the real radio telescope manufacturer. The Celestron EdgeHD aplanatic flat-field Schmidt optical system produces a flat field for stunning star images everywhere you look. Used Telescope Accessories for Sale. 149 King Street This question will help you decide what kind of telescope mount you need. Our non-commissioned telescope experts are here to help you find the right telescope that lines up with your needs, goals and price points. Start Chat It is the nature of telescope observing on a planet with an atmosphere. Special/Custom Order - Shipping fee will be billed separately at the time of shipping. To choose a reflector that is right for you, consider its aperture (diameter of the primary mirror), the focal length, which dictates how long the telescope tube will be, and what type of mount you require. The Obsession 15" UC (Ultra Compact) is the ultimate compact scope for the discriminating enthusiast who wants big aperture in a small package. $795.00. Popular with off-road campers and roof tent 4x4 bakkies. It's no wonder that Schmidt-Cassegrain telescopes are one of the most popular designs in the world! This makes sense if you think about all of the components of a good astro-imaging telescope: optical quality, optical size, mount precision, and electronics that will support precise tracking of the object while the photograph is being taken. The NexDomeslight weightmakes motorizing the dome easier. The MWO is located on Mount Wilson, a 1,740-meter (5,710-foot) peak in the San Gabriel Mountains near Pasadena, northeast of Los Angeles. An alternative is to try folding down the rubber eyecup of the eyepiece when viewing with glasses. It is an exciting time to be in the hobby of astronomy! For the best experience on our site, be sure to turn on Javascript in your browser. Optical Design: Corrected Dall-Kirkham (CDK), Ritchey-Chretien (approx. Motor Control:Industrial grade Parker brushless motor control system and built in electronicsMotor Azimuth and Altitude:Direct Drive 3 Phase Axial-Flux Torque MotorEncoder Azimuth and Altitude:Absolute encoder with a resolution of 0.078 arcseconds (16.5 million counts per revolution)Motor Torque:Greater than 200 ft-lbs of peak torqueDrive Electronics:Controls the altitude and azimuth motors and encoders, 2 direct drive de-rotators with absolute encoders, 4 fans zones, 3 dew heater zones, two focusers, an array of temperature sensors, M3 port selector, primary mirror covers and magnetic axis decelerationTelescope Control Software:Incorporates PointXP mount modeling software and All Sky PlateSolve both by Dave Rowe. The PW1000 is a complete 1-meter observatory-class telescope featuring a direct drive altitude-azimuth (Alt-Az) mounting system designed and engineered by PlaneWave. The University of Hawai'i 88-inch (2.24-meter) telescopecalled UH88, UH2.2, or simply 88 by members of the local astronomical communityis situated at the Mauna Kea Observatories and operated by the University's Institute for Astronomy.It was constructed in 1968, and entered service in 1970, at which point it was known as "The Mauna Kea Observatory". Some lucky amateur astronomers have a backyard or land available to install a personal observatory so they can leave the telescope set up yet protected from the elements. #101, Woodland Hills, CA 91364 818-347-2270 orderinfo@telescopes.net On the professional level, youll find instruments dedicated to deep sky work, astrophotography, or other specific tasks, with fully computerized tracking systems for optimal clarity and resolution. The NexStar 8SE is a portable Schmidt-Cassegrain computerized telescope that is easy to use and has 8 inches of aperture to see deep into space. This is because your exposure time would be quick enough that the Earth's rotation would not come into play. Because a catadioptric telescope is so portable and lightweight for its aperture, the mount that supports it does not have to be Herculean and you will not need a ladder to reach the eyepiece when the telescope is pointed high overhead. Some telescope users prefer to buy the OTA separately so they can create a custom astrophotography set-up or use a mount they already own. The Ritchey-Chretien is designed for imaging. Dobs make a perfect first telescope, and many, many amateur astronomers never outgrow it. 48 Contiguous States: Free ground shipping for all shipments over $100 unless otherwise indicated. With a diffraction-limited 100mm image circle, the PW1000 is designed to excel at imaging on the largest format CCD cameras available today. Refractors use lenses to gather light and bring the resulting image to focus. 14 watching. OPT has a long history of catering to the telescope needs of professionals in the field of astronomy of all kinds, providing professional grade telescopes to the government, educational institutions, and private astronomers who require nothing less than optimal equipment. All Rights Reserved. Any laser collimator should work, but we recommend getting one that matches the size of your focuser, which is 2\" in most cases. Observatory Dome, Explora Dome - Explora Dome I 8ft. A catadioptric telescope uses a combination of mirrors and lenses to gather and focus light. We will be glad to help. The 230C weighs much less than a normal 1.5 meter diameter full-surface model, offering better resolution capacity due to its greater diameter while maintaining a lower sensitivity to wind due to the perforated surface of the antenna. The scope would be mounted on a tracking dobsonian mount but, with a field de-rotator, you should be able to use it for research and AP. Ritchey Chretin telescopes come in a wide variety of prices. 0 out of 5. Structure and enclosure materials are combined, resulting infewer parts. If you want to see as deeply into space as possible, you will want to buy the biggest telescope you can comfortably use. The APO design is more expensive than an achromat due to the increased number of lenses and/or the high-quality specialized glass that may be used to create all or some of the optics. We only send interesting emails and will never sell your data. The eyepiece nomenclature is expressed in its focal length in millimeters. If you need help picking out an RC, get in touch with our friendly and helpful Sales team! Smaller NexStar SE telescopes are also available if you want something even more portable that costs less. Telescopes on Equatorial Mounts: Equatorial mounts can be polar-aligned to compensate for the Earth's rotation, allowing them to manually or electronically track celestial objects. Telescopes on computerized alt-azimuth mounts, like the Celestron NexStar SE do an amazing job of finding and tracking celestial objects for visual astronomy, and a user could even take quick pictures of the Moon and bright planets, but if you want to take astro-images of objects out of our solar system, it will require an equatorial mount. RadioUniversePRO lets you save recorded data in graphical format as visualized on the user interface but you can also save raw data in FITS format compatible with NASA FITS Viewer, this way you can quickly open and view their data and export them to process with other softwares. An alt-azimuth mount is designed to move north, south, east or west, either manually or electronically via a hand controller. We manage the entire order process through delivery and installation, troubleshooting any issues that may arise. If you buy a telescope that is heavier than you can handle alone, you will tend to use it less. 3. "acceptedAnswer": { The unit uses a compact 1 meter loop antenna that can be used indoors or outside. We deliver from Sydney to anywhere Australia-wide including Perth, Melbourne, Brisbane and even New Zealand. "@type": "Question", SPIDER 230C is the compact radio telescope that combines radio with amateur astronomy technologies that will allow you discover the world of radio astronomy with a powerful, modular and easy-to-use product! It is highly portable radio telescope . Share. This inexpensive telescope accessory threads onto a standard eyepiece and blocks some of the light emitted from the Moon. We developed this radio telescope to allow everyone to approach this fascinating science with an affordable, turn-key, high-performance instrument. It is highly versatile and can b e used for many tasks around the home as well as for trade use If your primary goal is long focal length, deep sky astrophotography, then the Ritchey Chretin design may be the ideal telescope for you. Since 1949, equipped first with photographic plates and then with CCDs, the 48-inch surveys To determine the best telescope mount for you, it is important to think about what you plan to do with the telescope. },{ RCs arenot ideal for wide field deep sky work. Even if they decide to get into astrophotography and buy another telescope on an equatorial mount, most Dobsonian owners love their telescope enough to keep it and pull it out whenever they want to experience the cosmos visually. Telescopes Astro-Physics telescopes are world-renowned for sharp, high-contrast image quality and mechanical construction. As new. NEXDOME 2.2M - 8' COMPLETE OBSERVATORY Your Price: USD $3,395.00 Part Number: NEX22 Choose Options Description Images shows the observatory with OPTIONAL bay. Our collection of used telescope accessories is so popular, however, that the best used astronomy accessories are scooped up quickly; sometimes within an hour of posting! Start Chat Professional telescopes come with an array of advanced features for professionals in the field of astronomy, as well as for dedicated amateur astronomers who require optimal equipment for observation and astrophotography. Stark Export House Brass Telescope 8 Inch Catadioptric . A shorter tube length makes the SCT far more portable than a classic Newtonian or refractor of the same aperture. To request a unit, send an e-mail to supersid_at_radio-astronomy_dot_org. Many astro-imagers use a fairly fast Newtonian reflector on a computerized equatorial mount due to the lower cost as well as the wide-field views this type of telescope can achieve. Read our 101 article or get in touch. The Ritchey Chretin can be found in the Hubble Space Telescope, and is now available to consumers for capturing excellent deep sky astrophotographs from the ground. Depends on what you mean by "research-grade". Bays are a good addition to be used as workplace or storage. },{ Manufacturer of astronomical observatories. Since the Ritchey-Chretien telescope uses mirrors to gather light it is technically a reflector, but unlike the more common Newtonian, the RC - short for Ritchey-Chretien - has a Cassegrain configuration. Our pre-sale service can help you in everything you may need before your radio telescope order. I can detect down to 20th mag in 5 minutes with a conventional CCD and no filters but at a SNR that's just above my noise floor. Because the Dobsonian mount is not made of metal and does not have heavy counterweights to contend with, one can buy a fairly big 8" or 10" Dobsonian telescope without too much trouble moving it around. Do not even consider a roll off observatory in this area. They are also not as good as other telescopes like SCTs for planetary imaging due to their lower contrast as explained above, but you can still absolutely use one for capturing the planets just at reduced contrast." Next up is this 40-inch (1-meter) aperture telescope from Planewave. Our internal team of trained technicians is also able to install SPIDER MarkII at your location, all around the World! The Itty Bitty Telescope (IBT) can be made from a small TV satellite dish. You will find Observa Dome systems in the world's highest accessible observatories14,274 feet above sea levelthe lowest areas80 feet below sea levelas well as some of the hottest climates and most tumultuous weather extremes. Our team of Gear Experts is available to help you get the most out of your telescope! Hi- I have had a place in Alpine which is about 25 miles southeast of Springerville since 1966. The biggest telescopes in the world are often the most . Description and Design Goals With outstanding features and options, Ash Domes can be found in many of the worlds most distinguished institutions. An APO telescope, or apochromatic refractor, uses 3 lenses to bring all three wavelengths of light to a single focus to produce an image virtually free of extraneous color. For a refractor or a Newtonian reflector, the focal length gives a good indication of how long the tube is. Astronomers are hopeful the $1.4-billion Thirty Meter Telescope will help them study the earliest moments of the universe after the Big Bang as well as identify more planets outside our solar system. The Dobsonian telescope consists of a Newtonian reflector optical tube assembly mounted on a very simple alt-azimuth box-style mount with a lazy susan base. All Catadioptric telescopes have a folded path optical system and make use of mirrors & lenses, but there are differences in their design that are worth noting. These Orion GiantView 25x100 binoculars currently retail for around $360 in the US and 320 in the UK: Compare Prices: Orion GiantView 25x100 Binoculars (including the US, UK, Canada & Germany) Remember, the bigger the telescope optics, the brighter deep space images will be. It might be worthwhile to discuss with him the usefulness of a 1 Meter scope at our altitude and seeing conditions. Anyway, their 1/2 meter system is $47k and their 1 meter system is $650k! The actual telescope you buy is also a consideration if you want to do deep-sky astro-imaging, but it will help narrow down your choices if you consider the 5th and last question first: Most people have no idea how much they will need to spend to buy a decent telescope that will let them observe most everything they are interested in. This brings you a little closer, and depending on the eyepiece, you may have some luck. You do know that whatever you spend on the telescope, you will probably spend more than that on the observatory to house it. "@type": "Question", It did have a Norman fullum, Optical Guidance Systems (OGS) regularly have pre-owned systems for sale on their website. The telescope and instruments are designed to operate from the near ultraviolet to the near infrared (320 to 1700 nm), and offer some unique or . Astronomical Telescope. Ritchey Chretintelescopes come in many different sizes and configurations, so it's a good idea to narrow down what you're looking for first. The body of an APO refractor, known as the OTA or optical tube assembly, is also more likely to be made from quality materials and have a precision focuser that is designed to bear the weight of a camera and other imaging equipment. We reserve the right to verify a competitor's advertised price and the availability of the item. I've seen little or no 'useful' work done with an amateur scope in the 1m aperture range but if the cash is available why not. We recommend you buy an equatorially mounted telescope if you are intrigued by the idea of astrophotography. With a 70 mm image circle, the RC700 is designed to excel at imaging on large-format CCD cameras. For example, a 9.25" SCT weighs just 20 pounds and is only 22" long, making it fairly easy to hoist onto an equatorial mount if you so choose. To get the most out of the information from this point on, take a look at the five questions we asked in the How to Choose a Telescope section and think about how they apply to you. Antique Telescope for Sale This 11 inch clear aperture (F 17.5) Warner & Swasey Refracting Telescope has been housed in a 20.375 foot diameter Observa-DOME at our facility for the past 30 years. We will be glad to help. The nonprofit TMT Observatory Corporation was founded in June 2003 by its partners: the Association of Canadian Universities for Research in Astronomy (ACURA), the University of California (UC), and the California Institute of Technology (Caltech). CELESTRON telescope for sale brand new with box and instruction manual 120 120. Standard extension from 1 meter to 2 meters. You will find that maximums vary depending on the night. The 8-meter telescope has 16 times the light-collecting area of the 2-meter telescope. Add to List. $605.50. However, when it comes to your own equipment, if you want or need to keep your glasses on, we recommend all of your eyepieces have a minimum of 15 mm of eye relief, 18-20 mm is even better. "@type": "Question", The bigger the optics, the bigger and heavier the telescope. It went into operation in 1970, and its early successes showed the excellent image quality and observing conditions at the top of Mauna Kea. To keep from accidentally doing that, remove the finder scope all together and either replace it with a solar finder, which projects an image telling you when the Sun is in the field of view, or use the telescope's shadow to ascertain when the sun is in the proper location. Webb Telescope's scientists and engineers determined that a primary mirror 6.5 meters (21 feet 4 inches) across is what was needed to measure the light from these distant galaxies. DISCOVER NOW AFFORDABLE RADIO TELESCOPES AND GROUND STATION ANTENNA SYSTEMS FOR RADIO ASTRONOMY AND SPACE COMMUNICATION 2-meter. Celestron EdgeHD telescopes are also compatible with the optional Fastar system, which turns the scope's f/10 system into a super-fast f/2 imaging powerhouse. Save 100 on the Celestron AstroMaster 80AZ refractor telescope when you get it from . Faulkes Telescope North (FTN) is located at Haleakala Observatory, on Maui, Hawaii, and Faulkes Telescope South (FTS) is at Siding Spring Observatory (SSO), in eastern . They are also not as good as other telescopes like SCTs for planetary imaging due to their lower contrast as explained above, but you can still absolutely use one for capturing the planets just at reduced contrast. Celestron - PowerSeeker 127EQ Telescope - Manual German Equatorial Telescope for Beginners - Compact and Portable - Bonus Astronomy Software Package - 127mm Aperture. 2.0 Meter Telescope System EXPLORE PLANEWAVE CDK700 0.7 Meter Telescope System EXPLORE PLANEWAVE RC700 0.7 Meter Ritchey-Chrtien Telescope System EXPLORE PLANEWAVE CDK600 0.6 Meter Telescope System EXPLORE PLANEWAVE CDK500 0.5 Meter Telescope System EXPLORE PLANEWAVE CDK400 0.4 Meter Telescope System EXPLORE PLANEWAVE CDK350 Introducing the 110mm F6 Starfire GTX dual-purpose portable refractor. While you can look through an RC telescope, it is trickier to use visually than other designs. Following the lead of the highly successful Keck 10-meter telescopes, the TMT primary mirror is segmented, with 492 hexagonal elements, each measuring 1.44 meters (56.6 inches) corner-to-corner. "mainEntity": [{ Because the optical path is folded, the tube of a RC telescope is much shorter, making larger apertures more portable. Deggendorf Institute of Technology is a university in Bavaria, I consent to the processing of my personal data for the purposes indicated in the Privacy Policy, Email: [emailprotected] Phone: +39 0434 1696106 Working Days/Hours: Mon - Fri / 9:00 - 12:00 and 15:00 - 18:00, Incentives to support Innovative Startups. This is not to say that you can't use an RC for either application, but just that an RC's strong suit is deep sky imaging. A radio telescope consists of an antenna that collects the incoming waves from space, SPIDER 230C compact radio telescope has been chosen by Deggendorf Institute of Technology as instrument to introduce students to radio astronomy. The segmented primary design provides a number of advantages. "text": "RC telescopes use hyperbolic mirrors to eliminate optical errors like coma and chromatic aberrations off-axis while producing the flattest focal plane possible without lenses." Their long focal lengths make them particularly good for for distant targets such as galaxies and small nebulae. These become very expensive to produce at large sizes due to the degree of accuracy required to manufacture the mirror. Smaller aperture RC telescopes are available for amateur astronomers who wish to work with an instrument that was designed for astro-imaging, including this inexpensive entry-level Ritchey-Chretien, the Apertura 6" f/9 Ritchey-Chretien OTA telescope.

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