Digital Setting Circles For Dobsonian

The Losmandy AZ8 Digital Setting Circle Kit will upgrade your AZ8 Mount for use with a digital setting circle computers by Sky Commander, JMI and others. Earlier this year, for the first time ever, a team even managed to image the shadow cast by one of these objects on the hot gas and dust around it. Building a Digital Setting Circle using an Arduino Board Recently I completed a 14 inch Dobsonian project and I was pondering how to add a set of digital setting circles (DSC). While the light path and optical system is the same as conventional reflectors, the distinct hallmarks of a Dobsonian - such as the exceptionally large primary mirror, generous light bucket, long focal length, and the modified floor-standing alt-az mount - do set them apart from your average work-a-day reflector. Sky Commander Digital Setting Circles Sky Commander Digital Setting Circles. It is 80% more power efficient, and is only about 15% size of a traditional encoder. Unlike other truss tube designs, the Sky Watcher Collapsible Dobsonian does not need to be disassembled between uses. These telescope are ideal for. From beginner telescopes to professional observatories, OPT has it all. The current focal length is set up for Baader V bionviewer with corrector. Refer to the JMI instruction sheet entitled "The Importance of "Set Dec=0'" for the next step. Secure Order Now!. com/2014/03/telescope-modif. DSC – Digital Setting Circles with Sky Safari and Arduino Category: Astronomy — Tags: arduino , astronomy , digital setting circles , Dobsonian , dsc , sky safari – vincechan @ 1:57 pm OK, I’ve always been a visual observer, and have resisted jumping on the GOTO telescope bandwagon. What made it enjoyable was the eclipse took place as the Moon was setting and made for some good images with the landmarks and the horizon. DSO Planner's author has a Dobsonian telescope pictured above. For me, the next step in the project is to get the digital setting circles code working on the Dob. The results are quite nice. Digital setting circles (DSC) allow a computer to help you manually aim your scope. The Arduino micro controller was the perfect choice to get something running quickly:. Installed encoders and all wiring. Hubble SkyHub-B Digital Setting Circle comes with revolutionary high resolution (8192 PPR), extremely compact, and highly energy efficient ball bearing encoders. The overall weight was reduced by half. Every step of construction is detailed in photographs and diagrams, and the underlying ideas are carefully explained. Dobsonian telescope - A Newtonian reflector telescope that sits in a special type of mount, called a Dobonsian mount. Everything else has been updated, including encoders and digital setting circles. The SkyVision T600 has a StellarCAT Go-To motor system married to a Sky Commander unit, although other digital setting circles such as ArgoNavis can be used instead. All Astronomical Telescopes Skywatcher Telescopes BEGINNER'S TELESCOPES Sky-Watcher IYA Special Edition Telescopes Toy Telescopes Tabletop / Travel Telescopes synscan az go-to computerised telescopes AZ-GTe & AZ-GTi WiFi GO-TO TELESCOPES STAR DISCOVERY WIFI GO-TO TELESCOPES AZ PRONTO ALT-AZIMUTH TELESCOPES AZ5 DELUXE ALT-AZIMUTH TELESCOPES. It seems a bit hit and miss to locate objects,although that could. Digital Setting Circles For Dobsonian TelescopeSkyhubDiy Dobsonian Setting Circles Astronomer Stargazers LoungeVla Digital Setting Circles For Encoderless Scopes And SkysafariDigital…. All you needed was a star chart, a book, a clock, a calculator, a flashlight, and an accurate telescope mount. The DSC contains user lists, planetary positions and deep sky object catalogs. My new scope arrived Thursday, Mar 15, 2012. Outstanding Images - Premium quality, diffraction limited Newtonian optical systems will deliver stunning views of the heavens from dark sky sites. Two of the most recognizable symbols of science are the telescope and the microscope. A wireless digital-setting-circle interface: altitude and azimuth optical encoders, with a bluetooth link to apps on the tablet. Eyepiece focuser cap. SKySafari 6 Plus pointing accuracy with digital setting circles / push to Dobsonian telescopes Basar Titiz August 11, 2018 19:46 4 comments 0 votes None Operation of SkySafari 6 Pro with Mac iPad and push-to Dob on an equatorial platform. The addition of altitude and azimuth setting circles so you can tell where the telescope is pointed is a very important consideration that seems to be lacking from all Dobsonian telescopes. The second member of our Monster Dob family is a 40" giant that offers almost 25% more light than it?s little 36" brother or four times the light gathering power of a 20" telescope. Arduino Bluetooth Digital Setting Circles for Telescope Edit: Google Code has gone, latest source code is here. The setting circles on inexpensive amateur-level telescopes are just decorations to give the gear a “scientific-looking” appearance. Eyepiece thumbscrew 19. Due to either high demand, or the specific nature of this product, lead times may run longer than other products. Encoder resolution: 500 to 32400 ticks. Finally if I do a Google search on "how to use setting circle" (quotes included) I get one find (which might be a typing error). The base has wheels that allow easy movement of the telescope from the Main Dome building to the observing field. Meade Lightbridge Accessories. Chosen one of the "Hot Products of 2005" by Sky & Telescope. • Sky Commander dew shield-- $20. Free delivery and returns on eligible orders. The DSC contains user lists, planetary positions and deep sky object catalogs. Adjustable brake -- $365. 1 degree accuracy. This design is very popular for Amateurs who enjoy visual deep sky observing. Thanks for looking at this post - perhaps useful for you. 25 eyepiece. This equipment greatly enhances your observing fun and capability of your telescope. Building my 12. The kit was designed for 20" Dobsonian telescopes as he anticipated installing it on a 20" Dobsonian telescope he owned at. jhwarner August 03, 2018 00:58 1 comment 0 votes None. All you needed was a star chart, a book, a clock, a calculator, a flashlight, and an accurate telescope mount. Declination Circle Only. Its synthesis of pack-it-up portability, incredible optics, IntelliScope digital object location system, and affordable prices puts it in a league of its own. DCSs show you where to point your telescope to locate your astronomical target. Digital Setting Circle Kit We supply the entire package, guaranteed to fit your Discovery telescope. Eyepiece focuser cap. 5" brass bolt, bronze thrust bushing, stainless steel locknut assembly and full instructions. Digital Setting Circles on the Cheap. DSC – Digital Setting Circles with Sky Safari and Arduino Category: Astronomy — Tags: arduino , astronomy , digital setting circles , Dobsonian , dsc , sky safari – vincechan @ 1:57 pm OK, I’ve always been a visual observer, and have resisted jumping on the GOTO telescope bandwagon. One interesting option is a sub-aperture solar filter and planetary mask. Also not all setting circles are Equatorial (RA/Dec) - If Dobsonian telescope users have circles fitted they are Altitude/Azmuth and then they use a computer to convert from RA/Dec to Alt/Az. Frequently Asked Questions for owners or prospective owners of Dobsonian telescopes sold by Discovery Telescopes, Inc. com/2014/03/telescope-modif. Polar Alignment & Setting Circles. [email protected] The Orion SkyQuest XX14g Dobsonian telescope is good for the advanced user wanting to see the best and brightest views of deep sky objects as well as planetary detail. The Astro Devices Nexus DSC is a digital setting circles computer with a WiFi interface for your telescope. Now, not only heaters, but accessories such as Dobsonian cooling fans, digital setting circles, illuminated eyepieces, Telescope motor drives, Astro Systems Dewguard secondary mirror heaters, motorized focusers etcetera can be powered from the controller (Some plug modification may be required). These telescope are ideal for. 25" 25mm Sirius Plossl. You can see that the secondary mirror presents as a circle which is concentric to the circle created by the coloured paper and the focus tube You should eventually get to a view which is similar to that shown on the left – this view is not perfect as it was taken with a small digital camera but it should serve as a rough guide as to how. 5" f5 Dobsonian by Discovery Dob ready for travel - Wheely bars are removable with 2 thumb-screws each. Rotate the telescope in Right Ascension so that the finderscope is positioned on the side of the telescope tube. This sheet covers installing your DSC / Computer on our encoder equipped mount. that if you want to use to Digital Setting Circle for your Dobsonian or fork mounted telescopes, the settings will need to be changed. I have been working on a Dobsonian style telescope (14 inch diameter) for the past couple of months, and recently I wanted to add digital setting circles to this scope. It works with most popular telescopes – on equatorial or Alt-Azimuth mounts. The computer then calculates the telescopes position relative to the sky (with input of latitude, longitude, and time). The results are quite nice. 5 Tips to use an Telescope with an Equatorial Mount (the easy version) April 12, 2016 In past entries in this blog we have discussed the merits Equatorial Mounts vs Altazimuth mounts on telescopes, but we never actually went into much detail on how to properly use one of these mounts. This driver works with either alt-az mounts (like a dobsonian) or equatorial mounts. Hubble's Contribution To Modern Astronomy. See the Planetary DOB Review page for some details on how to do this. Slow motion controls, setting circles,latitude control with scale. (Works like a charm. Johnsonian Carbon Fibre Pop-up Telescope, 10-inch "LightBucket" Model. Two of the most recognizable symbols of science are the telescope and the microscope. Team up good digital setting circles with a computerized data base of celestial objects, and you gain the astounding finding capabilities of a "computer assisted" or "robotic" telescope. - The Industrial Erector Set Sky Commander Digital Setting Circles Fibre Glast Developments Corp. I decided I wanted to add some digital setting circles (DSC) to my scope, but all the commercial solutions were $500+ and often had really crappy user interfaces. The 16" Dobsonian Refurbishment Project. * First, modify your location. DSC – Digital Setting Circles with Sky Safari and Arduino Category: Astronomy — Tags: arduino , astronomy , digital setting circles , Dobsonian , dsc , sky safari – vincechan @ 1:57 pm OK, I’ve always been a visual observer, and have resisted jumping on the GOTO telescope bandwagon. Accessory tray,Red Dot Viewfinder,Tripod Legs. There are a number of ways that setting circles are fitted to Dobsonian bases. An amateur telescope builder reveals his process for designing and constructing his own Dobsonian telescope using CAD design and a CNC router. This wiki has been updated 17 times since it was first published in October of 2015. 5-inch truss Dobsonian. The entire scope weighs just 22 lbs. A compass is used align the everything to true North and the base is turned until the setting circle is at 0 under the pointer. I bought my 8" Dob in June 2003 from Teleskop Service, a German online dealer. This will be an Arduino powered system to control the fan, heaters, temperature sensors, digital setting circles, and motor drive for a telescope. com offers 244,422 telescope products. The low profile lazy susan is constructed of black plastic with metal rollers and is 12-5/8" in diameter. More aperture, 2″ focuser, etc. This complete reflector telescope set includes our clever and portable large-aperture Orion SkyQuest XX14i Intelliscope Truss Tube Dobsonian, a specially designed Light Shroud for the truss telescope tube, and a custom-fitted Case Set to hold and trans. A stylish and versatile mounting cradle allows the Argo Navis™ unit to be affixed to any type of mount in a variety of ways. Installed encoders and all wiring. Secure Order Now!. To learn more click here. We also sell an encoder kit (STN-4001) for existing mounts without encoders. SkyCommander Digital Setting Circles. Was equipped with digital setting circles ; The finished product has all of these features, plus one more: While I was rebuilding the rest of the scope, I had the main mirror refigured by Swayze Optical. A setting circle is used to set the azimuth coordinates to help locate objects. For more information see http://blog. Buy Orion 08945e Black 29x Reflector Telescope (118. Piece of cake. This was by far the easiest step, and even on its own it is a worthwhile investment of around £25. Now our view through the collimator shows the diagonal centered underneath the focuser. Outstanding Images - Premium quality, diffraction limited Newtonian optical systems will deliver stunning views of the heavens from dark sky sites. 7 for Diana in Wilmington, Delaware. One interesting option is a sub-aperture solar filter and planetary mask. The classic Altitude circle is substituted with an inexpensive constructors grade digital inclinometer with a 0. Getting Started - Full Aperture Dust Cap. This do-it-yourself digital setting circle is made from a Genera digital T-Bevel. Every step of construction is detailed in photographs and diagrams, and the underlying ideas are carefully explained. You can research. Each kit contains a 3/8" or 1/2" x 2. DSO Planner's author has a Dobsonian telescope pictured above. Traditional Newtonian Design: This telescope differs from our "short tube" 6 inch reflector in that it sports a more standard optical design and a natural 750mm focal length. Assuming high quality optics, the diameter of the point of light is determined by the telescope’s focal length (longer focal lengths result in larger star diameters) and the sky's ‘seeing’ conditions. Digital setting circles have a mode for use with equatorial platforms that turn the clock off. The Losmandy AZ8 Digital Setting Circle Kit will upgrade your AZ8 Mount for use with a digital setting circle computer Such as those made by Sky Commander, JMI and others. Angle table. Buy Orion 08945e Black 29x Reflector Telescope (118. The current focal length is set up for Baader V bionviewer with corrector. Counterweight shaft 12. Fully assembled the UL16 weighs at about 60 pounds. Use high powers to enhance the view. I decided I wanted to add some digital setting circles (DSC) to my scope, but all the commercial solutions were $500+ and often had really crappy user interfaces. The scope has Argo Navis digital setting circles to speed up finding of objects and is regularly used from my main observing location in back garden of my house in St Albans. The german equatorial mount is aligned to the pole and uses a series of gears and slow motion cables to track objects in right ascension and declination - as well as manual setting circles for locating objects. Was equipped with digital setting circles ; The finished product has all of these features, plus one more: While I was rebuilding the rest of the scope, I had the main mirror refigured by Swayze Optical. A Dobsonian is a telescope that is set up on a simple mount that requires no nuts and bolts to assemble. Two of the most recognizable symbols of science are the telescope and the microscope. Celestron Telescopes For customers with special needs, we have provided a customer support phone number reachable 24 hours a day, 7 days a week, 365 days a year: (800) 720-6364. I bought my 8" Dob in June 2003 from Teleskop Service, a German online dealer. * Added Digital Setting Circles section. A compass is used align the everything to true North and the base is turned until the setting circle is at 0 under the pointer. Here are a few links to discussions, similar approaches or resources for this type of system. 5 Encoder & Electronics Set - 721010 SKU: EXS-721010 This Explore Scientific Telescope Drive Master, or TDM, is an ultra-high resolution encoder and electronics system that will substantially improve your mount's performance. The accuracy of the alignment can be checked by rotating the telescope around on the RA axis. It has a finderscope and a Telrad. DSCs are devices that attach to a telescope, and that helps to track the movement of the telescope. Telescope Setting Circles Using Microsoft Visio 2007 by Shawn Kirchdorfer - 2009 For Alt-azimuth circles: This page will attempt to show how to use Microsoft Visio 2007 to create setting circles for a Dobsonian mounted telescope I have searched online and found a couple of examples where people have made programs in DOS or in JavaScript to print setting circles based on input from the user. Put your weight on the mount, then the scope. The german equatorial mount is aligned to the pole and uses a series of gears and slow motion cables to track objects in right ascension and declination - as well as manual setting circles for locating objects. Unlike other truss tube designs, the Sky Watcher Collapsible Dobsonian does not need to be disassembled between uses. • Sky Commander digital setting circles-- $595 installed. Features: -80mm (3. This driver works with either alt-az mounts (like a dobsonian) or equatorial mounts. Digital Setting Circles $389*. Digital contrast and brightness adjustments. The Next Generation Computers (or MAX computers as they are sometimes called) are not "Go-To" computers in that they do not move the telescope for you. The Azimuth circle is printed on paper and glued to the mount base, it has 0. Optional digital setting circles and motion control are available at additional charge. Years earlier Dr. The XT8 for sure. After much thought on the refurbishment of my 16" Dobsonian, I realized that I was wasting time considering different options instead of doing anything about it. Arduino Telescope Setting Circles I have a telescope with a Dobsonian mount and need to create a simple digital setting circle to make it easy to work out where the telescope was pointing. 25 eyepiece. The mirror was purchased from Coulter Optical in 1980 and spent the first 20 years in the heavy, conventional Dob seen below. 00 € Nexus DGC Advanced Digital Setting Circles. Offset also is an issue for long exposure astrophotography because tracking will be a bit more accurate if the optical and mechanical axes are coincident. 8 "make over" from a traditional "truss" design. ADDED: If you are not using the setting circles, just turn on the clock drive once you are polar aligned, and the scope should track all objects reasonably well. com offer a variety of digital setting circles from manufacturers such as JMI, Televue, Sky Engineering & Takahashi. Comes with 3 eyepieces for low,mediun=m and high powered magnifications. 7 Newtonian, 9X50 finder, 25 mm, 10 mm Plossls, $649 + $149 for controller) I had good things to say about the original XT10, but in late 2003 Orion surprised everyone by offering an upgraded version of the scope with digital setting circles (the original XT10 is still available at a lowered price of $549. Making a mirror this large was so laborious that I didn't look forward to having to also build a structure. Altitude bearings for a small Dobsonian telescope. Dobsonian Telescope - wide range and great offers A Dobsonian telescope is an alt-azimut mounted Newtonian. Start drawing a circle into a piece of 3mm plywood. (Unused, but the Sirius line has a good reputation. Re: Setting Circles for Dobsonian Before I ran across this thread, I found a reasonably cost effective solution to pointing my scope. This driver works with either alt-az mounts (like a dobsonian) or equatorial mounts. These devices are used with an altazimuth telescope mounts and aid in aligning the telescope. 6” f/8 primary telescope mirror & flat ideal dobsonian or newtonian. Encoders for digital setting circles for Alkaid Dobsonian telescopes Retrofit your Alkaid Dobson with digital setting circles! With a suitable Computer, like the Astro Computer from Argo Navis, you can directly go to 29,000 objects and, via the ccordinates, point to as many celestial objects, like comets, as you want. Traditional Newtonian Design: This telescope differs from our "short tube" 6 inch reflector in that it sports a more standard optical design and a natural 750mm focal length. Features: This clever push-to computerized Dobsonian reflector telescope can lead you to more than 14,000 celestial objects with its included IntelliScope Object Locator Big 10" (254mm) aperture reflector telescope gathers loads of light for bright views of nebulas, galaxies, star clusters, and close-up study of the Mo. Digital Setting Circles Hand Controller. They may be used in conjunction with a star chart to find objects in the night sky, in a manner similar to using latitude and longitude on a map. Introduction. Parks Setting 12" Circles 2. High-quality optical devices in Levenhuk instruments store: We offer the best telescopes, microscopes, binoculars, spotting scopes, magnifiers, and other optical equipment and accessories. Digital Setting Circles & Drives I have fitted many sets of "Sky Commander Flash-4" DSC's. Our encoder mount packages include encoders pre-installed on our Tele Vue mounts along with the cables necessary to work with your Digital Setting Circles or computer (DSC / Computer). The 16" Dobsonian Refurbishment Project. These are commonly added on to large Dobsonian telescope mounts to assist in locating deep sky objects and are sometimes referred to as "push-to" scopes. with Ultra Res 32K encoders. You can research. 965 unitron eyepieces 25mm, 18mm, 12. FAQ My Order Status Log In / Register My Account. A nylon tipped setscrew will hold the encoder shaft securely yet insures that the shaft is not marred or cupped. An amateur telescope builder reveals his process for designing and constructing his own Dobsonian telescope using CAD design and a CNC router. DCSs show you where to point your telescope to locate your astronomical target. Added digital setting circles with encoder to serial output circuit by Dave Ekland (PC board by FAR Circuits). The Declination setting circle needs to be set to 90° and locked. The pivot bolt is drilled to accept the encoder shaft for your digital setting circles. Teleskop Service offers Dobsonian Telescopes from small telescope for beginner to really big telescopes with 500mm aperture. See the Planetary DOB Review page for some details on how to do this. These computers are sometimes called digital setting circles because the early versions only displayed right ascension and declination, thus replacing the telescopes mechanical setting circles. You can research. Digital setting circles (DSC) allow a computer to help you manually aim your scope. Still, I thought Jupiter and Saturn were wonderful, and a healthy leap ahead of most Newtonians on these bright planets. Two of the most recognizable symbols of science are the telescope and the microscope. A Dobsonian telescope mount is pretty much like the classic cannon mount like you'd see in cartoons - up/down and left/right rotation. The base has wheels that allow easy movement of the telescope from the Main Dome building to the observing field. com, I am happy to present my FIRST instructable. THE DOBSONIAN TELESCOPE BY KRIEGE AND BERRY PDF - 1 Jan The Dobsonian Telescope: Kriege and Berry - posted in Reflectors: Ok, Ive been reading this book for the past 24 hours, and I have to share it. First, I have the digital inclinometer from Sears - about $30. Its synthesis of pack-it-up portability, incredible optics, IntelliScope digital object location system, and affordable prices puts it in a league of its own. Info shown as Images - Although all parts have been successfully printed (and coded) and installed on different scopes - posting here is a 'work-in-progress'. Consult the JMI instruction booklet. DSC – Digital Setting Circles with Sky Safari and Arduino Category: Astronomy — Tags: arduino , astronomy , digital setting circles , Dobsonian , dsc , sky safari – vincechan @ 1:57 pm OK, I’ve always been a visual observer, and have resisted jumping on the GOTO telescope bandwagon. Arduino Telescope Setting Circles I have a telescope with a Dobsonian mount and need to create a simple digital setting circle to make it easy to work out where the telescope was pointing. Once the SkySafari app is connected to the digital setting circles and is aligned with two objects, it shows the binocular's reported position with a planetarium display of surrounding objects. The digital setting circle reads out an. Telescopes for astronomy have existed from as early as the 17th century in the days of Galileo, who used them to observe celestial objects. The Dobsonian Telescope, A Practical Manual for Building Large Aperture Telescopes tells how you can build a state-of-the-art Dobsonian telescope using readily available materials and supplies. Adjust the mount in altitude and azimuth until Polaris is in the field of view of the finder and centered in the cross hairs. Digital Setting Circles. StarSeek 5 allows wired or wireless control of Orion's many computerized GoTo telescopes - from the portable StarSeeker IV line to the large-aperture SkyQuest series of GoTo Dobsonians - as well as Celestron, Meade, and other brands (see the compatibility list on the Orion StarSeek Wireless Telescope Controller page). Includes premium optics package and heated optics to prevent dewing. Use a compasses and do not forget to make a good mark at the circle center - you will need it! Because the GT2 timing belt have a 600mm perimeter, you should draw a circle with a 95,5mm radius (or 191mm diameter). Setting Circles. Latitude adjustment knob 17. A setting circle is used to set the azimuth coordinates to help locate objects. What's a Digital Setting Circle? Back in the not too distant past, telescopes still had setting circles with engraved numbers on them that were used to find objects in the sky. A Wixey digital angle gauge on the telescope is used for elevation. First, aim the telescope tube (be careful not to move the mount or tripod legs) at a bright star of known right ascension near the celestial equator. 5" Dobsonian. The experts in digital setting circles. This do-it-yourself digital setting circle is made from a Genera digital T-Bevel. Prices start at $5,800. [email protected] Argo Navis digital setting circles are $895 installed on all new Obsessions. Digital Setting Circles Bob Bunge's TJ2 - Story of a 20-inch Dobsonian Telescope, the history of a 20 year old Dobsonian CosmicOne - The 4 Inch Dob Home Page. I can't wait to see some galaxies under dark skies. He liked the ServoCat/Argo Navis Digital Setting Circles solution better. Discovery Digital Setting Circle Kit - No Tangent Box This is a Kit containing the encoders, mounting hardware, and cables for Discovery brand telescopes to be used with digital setting circles. com/2014/03/telescope-modif. Or in simple terms, it has similar functions as the Astro Devices Nexus. In that case, follow the directions that come with the computerized mountings. Losmandy Digital Setting Circles are designed especially for those amateurs who would like to be able to locate and observe celestial objects fast and easily. Cloudy Nights My $12 Go-To Test Drive - More discussion and good information on various approaches. For pictures of the installation of the Servocat drive system on my 18" Obsession Dobsonian Telescope click here. com offer a variety of digital setting circles from manufacturers such as JMI, Televue, Sky Engineering & Takahashi. Many commercial telescopes come equipped with digital setting circles, but commercial digital setting circles are expensive to add to telescopes that don't already have them. Some astronomers like to mix and match components to fit their needs and budgets. Making a mirror this large was so laborious that I didn't look forward to having to also build a structure. This is one of the key components in making a Dobsonian move smoothly and easily in azimuth, even when pointed near the zenith. In March 2007 I bought a Bintel BT-302 (12”) Dobsonain from Bintel in Melbourne, Australia. Installed encoders and all wiring. Every step of construction is detailed in photographs and diagrams, and the underlying ideas are carefully explained. A setting circle is used to set the azimuth coordinates to help locate objects. Building a Digital Setting Circle using an Arduino Board Recently I completed a 14 inch Dobsonian project and I was pondering how to add a set of digital setting circles (DSC). The experts in digital setting circles. Dobsonian mounts sit on the ground and have a. Skywatcher Dobsonian Sky-Commander Modification Parts by myxlflik is licensed under the Creative Commons - Attribution - Share Alike license. This OTA (Optical Tube Assembly) sits on a wooden rocker base such that it swivels smoothly up/down and left/right. FAQ about Collimating a Newtonian telescope. Similarly, there's a body of opinion that says a full offset will improve the accuracy of digital setting circles on scopes with Dobsonian mounts. The overall weight was reduced by half. A setting circle is used to set the azimuth coordinates to help locate objects. com offers 244,422 telescope products. Argo Navis™ Digital Setting Circles. Comes with 3 eyepieces for low,mediun=m and high powered magnifications. with Ultra Res 32K encoders. Making a mirror this large was so laborious that I didn't look forward to having to also build a structure. Read honest and unbiased product reviews from our users. When people tell me they want a telescope, I assume it is for looking at the night sky. 5" Dobsonian There is no better value in the world of amatuer astronomy, period. Since the late 1990s many innovations in mount design and electronics by amateurs telescope makers and commercial manufacturers have allowed users to overcome some of the limitations of the Dobsonian style altazimuth mount. Aaron Turner built his own digital setting circles (DSCs) to add to his 12″ Dobsonian telescope after finding the commercial options were pricey and lacking in a good user interface. This was by far the easiest step, and even on its own it is a worthwhile investment of around £25. For my DOB (Heritage 130P), i dont have any setting circles to worry about (not that i ever worry about them) but i do have a Wixey. I paid $899 AUD (~ $720 USD at the time) and that price included several basic eyepieces, a single speed 2” Crayford focuser, an 8x50 finder, a front tube cover with built in aperture mask, and a cooling fan. The Next Generation Computers (or MAX computers as they are sometimes called) are not "Go-To" computers in that they do not move the telescope for you. Too many info images and I'll. The specialized line of Orion SkyQuest XT IntelliScope Dobsonian Telescopes already have a set of high. SKySafari 6 Plus pointing accuracy with digital setting circles / push to Dobsonian telescopes. The Slimline Lazy Susan is 7/64" thick with a pound load rating of 220 pounds. Every step of construction is detailed in photographs and diagrams, and the underlying ideas are carefully explained. The the scope is designed to be easy and quick to set up in garden to increase the time spend each year actually observing. 5 mirror was nearing completion and a structure for that mirror would soon be needed. Attaching your Nikon DSLR camera to a telescope lets you photograph distant objects in the night sky such as the moon, planets and stars. Since the late 1990s many innovations in mount design and electronics by amateurs telescope makers and commercial manufacturers have allowed users to overcome some of the limitations of the Dobsonian style altazimuth mount. The pivot bolt turns smoothly in the nylon bushing. Grab the scope anytime to move around and explore a new area - there are no clutches to disengage. Light sanding of the bearing surfaces. Digital Setting Circles Bob Bunge's TJ2 - Story of a 20-inch Dobsonian Telescope, the history of a 20 year old Dobsonian CosmicOne - The 4 Inch Dob Home Page. Swivel / tilt vice. and optional stalk/shelf. The first thing I built was a leveling base with a setting circle for my AD10 dobsonian base. Team up good digital setting circles with a computerized data base of celestial objects, and you gain the astounding finding capabilities of a "computer assisted" or "robotic" telescope. The setting circles on inexpensive amateur-level telescopes are just decorations to give the gear a “scientific-looking” appearance. We also sell an encoder kit (STN-4001) for existing mounts without encoders. You can use your Dobsonian Telescope for astrophotography. This design should easily adapt to any dobsonian mounted telescope with some adjustments to sizes and positions. Many commercial telescopes come equipped with digital setting circles, but commercial digital setting circles are expensive to add to telescopes that don't already have them. I installed digital setting circles on the mount some time back. Latitude dial 15. More so than any other telescope dealer, our goal is to make it easy and painless to purchase your very first telescope, or to buy that perfect stargazing gift. Digital setting circles are the electronic equivalent to the right ascension and declination dials found on many telescope mounts. The Next Generation Computers (or MAX computers as they are sometimes called) are not "Go-To" computers in that they do not move the telescope for you. DSO Planner's author has a Dobsonian telescope pictured above. Another limitation is the problem of gimbal lock at zenith pointing. In fact, this Saxon 10″ Collapsible Dobsonian Telescope is so space conscious that it folds inwards at the tube and, can be taken apart to two pieces for easy storage or transport to your next astro camp out in a dark sky site!. NightSky Scopes 16" Truss tube Dobsonian My 16" F4. This enables you to locate celestial objects whose celestial co-ordinates have been determined from star charts. They can be used to control either a Dobsonian or an equatorial mount telescope. Attaching your Nikon DSLR camera to a telescope lets you photograph distant objects in the night sky such as the moon, planets and stars. In March 2007 I bought a Bintel BT-302 (12”) Dobsonain from Bintel in Melbourne, Australia. The digital setting circle reads out an. I installed digital setting circles on the mount some time back. It is 80% more power efficient, and is only about 15% size of a traditional encoder. They are particularly useful in areas of high light pollution. The telescope comes with digital setting circles and a built in battery with built in charger. Shop the best photography equipment, digital cameras, lenses, pro audio & video, professional gear & musical instruments from top brands - Canon, Nikon, Fujifilm, Blackmagic Design, Leica, Sony, Apple & more. 1) Orion XT10 Intelliscope 4/11/04 (10" f/ 4. Go Astronomy: Your guide to amateur astronomy - planets, constellations, telescopes and more. The Dobsonian Telescope, A Practical Manual for Building Large Aperture Telescopes tells how you can build a state-of-the-art Dobsonian telescope using readily available materials and supplies. coordinates of almost all celestial objects visible to amateur astronomers are readily available, they can't be used with an altaz mount such as a Dobsonian. Orion XT10 Classic Dobsonian Telescope & Beginner Barlow Sellers Digital SLRs Lenses skills you can do the setting circles. It seems a bit hit and miss to locate objects,although that could. There are a few disadvantages.