Our sandwich mirror will reach thermal equilibrium up to 10 times faster than a traditional solid mirror and means the mirror can deliver great views even as the air around the telescope is changing temperature. Free shipping when ordered with the system. Since a sandwich mirror cools far more rapidly than a solid mirror of the same thickness, this major source of distortion is eliminated quickly, giving you sharp and stable views. The entire systems can be assembled easily and quickly, as little as a few minutes. You can choose from multiple tracking rates (sidereal, solar or lunar) and the object database has 42,000+ celestial objects that include those from the Messier, NGC, IC, SAO, Caldwell, Double Star, Variable Star and Named Star catalog as well as, of course, the planets. each, 16 lbs. Search. With this kind of modularity, the unassembled Sky-Watcher StarGate 20 can fit in most any vehicle, and when you arrive at a star party, you will be everybody's best friend! The electronics and motors are built into the base, and the SkyScan hand controller is your easy to use interface. If you'd like some advice on choosing the best telescopes or accessories to meet your needs, please don't hesitate to call us at 1-800-266-9590 or send an email. each, and so the truss poles and upper cage are easily installed. Sharper images. The 20" is the ultimate blend of cost, ease of use, and visual impact. The Sky-Watcher 20” Stargate GoTo Computerized Truss Tube Dobsonian Telescope has been discontinued and we are out of stock. All coupons, tax, shipping, store credit and gift cards will be applied during checkout. While you will receive a 12V DC power cord for the electronics, you will need to acquire your own power supply. Completed with deluxe and environmentally friendly black powder coating, it is such a pleasure to look at, not to mention the enjoyment to look through. If you'd like some advice on choosing the best telescopes or accessories to meet your needs, please don't hesitate to call us at 1-800-266-9590 or send an email. This is one of the major reasons why our lightweight-sandwich mirror has superior optical performance in real world situations, even without an active cooling system. * Shipped via Fedex, the exact cost depends on your specific address. Prices: (f/3.7) is $5,595- (f/4.2) is $4,795. DOB 12" Collapsible. Uranus is finally getting higher, to chase good seeing. The focuser has 50mm of travel distance. DOB 6" Traditional. Sky-Watcher has included two eyepieces (28mm and 10mm) for low and medium magnification options. Featured. There will be $15 additional charge for the surface delivery, or $25 additional charge the air delivery. The Explore Scientific Ultra Light 20 inch Dobsonian is the largest of Explore Scientific's Dobsonians - offering enormous light gathering power in a comparatively portable package. "UL20 is working excellent. If you've read enough, and want to just know how to buy it already, then click below! Main menu. The Dobsonian mounted telescope is popular among amateur astronomers and telescope makers because of its simplicity. Rest assured that our team of Telescope and Telescope Accessory experts will be standing by (800.266.9590) to support you for as long as you own one of our products! Learn more, Hubble SiTech and SkySafari based GOTO: $1,495, Simply the most powerful GOTO system at an extremely affordable price. The illuminator screws into the end of the finder and can be removed easily to change batteries. Please specify your requested options in your payment for the deposit. 0.9m (35.5"), slid-on round cushioned grips, made of vinyl foam, they insulate, cushion vibration and protect the truss tubes. The scale markings and open center of the 8 X 50 Straight Through Finder allows you to measure distances and easily center an object in the field of view. The Stargate 20”, with a full half meter of aperture, collects a whopping 56% more light than a 16” model, and let’s face it, a 16” telescope provides amazing views of the Universe! We understand that many of our products are technical in nature and require support. One of the many benefits to becoming a customer of High Point Scientific is that you receive Unlimited Tech Support on all of the products you purchase from us. UL20 will be shipped in 6 boxes: the main structure 1 & 2, the truss tubes 1 & 2, the accessories and the primary mirror. Sky-Watcher 20" f/3.95 Stargate GoTo Truss-Tube Dobsonian Telescope, Cast Metal Rocker and Base with Teflon Bearings, SynScan Computerized Handbox with 42,000+ Object Database. $2,797.50 (f/3.7), $2,397.5 (f/4.2) deposit at the order time, rest, including options and shipping will be paid before the delivery (about 60-90 days after the deposit) via a Paypal invoice. The Hubble UL20 primary mirror and the secondary mirror are coated with the state of the art 96% Enhanced optical coatings to assure it collects as many (while scattering as little) photons as possible to focus it into a bright and contrast-rich image. Shroud Collimation Eyepiece You don't need it if you store the scope in a luggage case or the custom made backpack. A deluxe quick release double-ring Finder Bracket including a dovetail base is included. At the end, it is really your personal preference. DOB 10" Collapsible. For the best experience on our site, be sure to turn on Javascript in your browser. The Sky-Watcher Stargate 20 Truss Tube Dobsonian will blow you away with its light-gathering power! Looking forward to seeing the pink rim in IC 418 this winter. You simply do not need one for our thin solid mirror! It is a zero-backlash "Crayford-style" design further enhanced with modern "linear bearings" meaning you get a rock-solid, super smooth focusing experience that can handle the weight of even the heaviest of modern eyepieces. The shipping cost will be $70 for the surface delivery and $100 for the air delivery, for US. Machined with Computer Numerical Control (CNC) technology and hand fitted to assure proper fit and finish. Please note that the 60 days delivery is the estimated production lead time only which does not include shipping transit time.